{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 271,
      "class": "FULL",
      "exception_markets": 6543,
      "rows_by_domain": {
        "c": 8017430,
        "e": 10827916,
        "f": 10346887,
        "g": 10334251,
        "h": 10829113
      },
      "rows_c": 8017430,
      "rows_e": 10827916,
      "rows_f": 10346887,
      "rows_g": 10334251,
      "rows_h": 10829113,
      "rows_joined": 10831699,
      "rows_merged": 10831428,
      "unique_by_domain": {
        "c": 482,
        "e": 136,
        "f": 110,
        "g": 100,
        "h": 430
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 56,
            "1000_2000ms": 3769,
            "100_200ms": 160745,
            "10_20ms": 625169,
            "1_2ms": 0,
            "2000_5000ms": 1334,
            "200_500ms": 157416,
            "20_50ms": 334102,
            "2_5ms": 1780292,
            "5000_10000ms": 194,
            "500_1000ms": 21726,
            "50_100ms": 196574,
            "5_10ms": 4736037,
            "ge30000ms": 16,
            "neg": 0
          },
          "max_ms": 40192,
          "mean_ms": 20.402320319603664,
          "measurable": 8017430,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 23.0,
          "p99_ms": 327.0,
          "rows": 8017430,
          "unmeasurable": 0,
          "won_output_rows": 7466842
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1834,
            "1000_2000ms": 10514,
            "100_200ms": 524403,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 5655,
            "200_500ms": 485705,
            "20_50ms": 8653991,
            "2_5ms": 0,
            "5000_10000ms": 1887,
            "500_1000ms": 89902,
            "50_100ms": 1054025,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29887,
          "mean_ms": 71.65383920599311,
          "measurable": 10827916,
          "min_ms": 33,
          "p50_ms": 41.0,
          "p90_ms": 104.0,
          "p99_ms": 502.0,
          "rows": 10827916,
          "unmeasurable": 0,
          "won_output_rows": 397687
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1186,
            "1000_2000ms": 10818,
            "100_200ms": 540018,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 4665,
            "200_500ms": 469766,
            "20_50ms": 7303037,
            "2_5ms": 0,
            "5000_10000ms": 1160,
            "500_1000ms": 93289,
            "50_100ms": 1922948,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 23923,
          "mean_ms": 75.87420689913787,
          "measurable": 10346887,
          "min_ms": 39,
          "p50_ms": 47.0,
          "p90_ms": 110.0,
          "p99_ms": 512.0,
          "rows": 10346887,
          "unmeasurable": 0,
          "won_output_rows": 117978
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 7441,
            "1000_2000ms": 105147,
            "100_200ms": 1459670,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 38209,
            "200_500ms": 869078,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 10564,
            "500_1000ms": 376226,
            "50_100ms": 7467572,
            "5_10ms": 0,
            "ge30000ms": 344,
            "neg": 0
          },
          "max_ms": 38695,
          "mean_ms": 175.397094961212,
          "measurable": 10334251,
          "min_ms": 72,
          "p50_ms": 88.0,
          "p90_ms": 284.0,
          "p99_ms": 1299.0,
          "rows": 10334251,
          "unmeasurable": 0,
          "won_output_rows": 11021
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 7192,
            "1000_2000ms": 38756,
            "100_200ms": 275232,
            "10_20ms": 7293153,
            "1_2ms": 0,
            "2000_5000ms": 42477,
            "200_500ms": 291036,
            "20_50ms": 2176672,
            "2_5ms": 0,
            "5000_10000ms": 27029,
            "500_1000ms": 111511,
            "50_100ms": 562724,
            "5_10ms": 0,
            "ge30000ms": 3331,
            "neg": 0
          },
          "max_ms": 60211,
          "mean_ms": 98.16422351488991,
          "measurable": 10829113,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 66.0,
          "p99_ms": 1126.0,
          "rows": 10829113,
          "unmeasurable": 0,
          "won_output_rows": 2837900
        }
      }
    },
    "book": {
      "boundary_dropped": 3401,
      "class": "FULL",
      "exception_markets": 190042,
      "rows_by_domain": {
        "c": 2415532,
        "e": 237788,
        "f": 591706,
        "g": 551895,
        "h": 205773
      },
      "rows_c": 2415532,
      "rows_e": 237788,
      "rows_f": 591706,
      "rows_g": 551895,
      "rows_h": 205773,
      "rows_joined": 2620845,
      "rows_merged": 2617444,
      "unique_by_domain": {
        "c": 1877560,
        "e": 25678,
        "f": 72930,
        "g": 37739,
        "h": 15099
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 170171,
            "1000_2000ms": 27772,
            "100_200ms": 7717,
            "10_20ms": 18447,
            "1_2ms": 0,
            "2000_5000ms": 64148,
            "200_500ms": 14371,
            "20_50ms": 9400,
            "2_5ms": 2374,
            "5000_10000ms": 70922,
            "500_1000ms": 16666,
            "50_100ms": 6635,
            "5_10ms": 58971,
            "ge30000ms": 1947938,
            "neg": 0
          },
          "max_ms": 8893297967,
          "mean_ms": 102383943.55786303,
          "measurable": 2415532,
          "min_ms": 3,
          "p50_ms": 1219073.0,
          "p90_ms": 73678187.19999988,
          "p99_ms": 2772701318.13,
          "rows": 2415532,
          "unmeasurable": 0,
          "won_output_rows": 2284285
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 8532,
            "1000_2000ms": 6544,
            "100_200ms": 17430,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 12469,
            "200_500ms": 11925,
            "20_50ms": 69214,
            "2_5ms": 0,
            "5000_10000ms": 4962,
            "500_1000ms": 6400,
            "50_100ms": 18837,
            "5_10ms": 0,
            "ge30000ms": 81475,
            "neg": 0
          },
          "max_ms": 8894161260,
          "mean_ms": 41705274.85383619,
          "measurable": 237788,
          "min_ms": 34,
          "p50_ms": 577.0,
          "p90_ms": 22508354.0,
          "p99_ms": 1303812466.6,
          "rows": 237788,
          "unmeasurable": 0,
          "won_output_rows": 44043
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 34465,
            "1000_2000ms": 10477,
            "100_200ms": 17908,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 20991,
            "200_500ms": 14252,
            "20_50ms": 53010,
            "2_5ms": 0,
            "5000_10000ms": 15825,
            "500_1000ms": 9341,
            "50_100ms": 30692,
            "5_10ms": 0,
            "ge30000ms": 384745,
            "neg": 0
          },
          "max_ms": 8893678670,
          "mean_ms": 82691516.04280843,
          "measurable": 591706,
          "min_ms": 41,
          "p50_ms": 292419.0,
          "p90_ms": 53101568.0,
          "p99_ms": 2424317864.7,
          "rows": 591706,
          "unmeasurable": 0,
          "won_output_rows": 154841
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 34021,
            "1000_2000ms": 11046,
            "100_200ms": 19423,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 22415,
            "200_500ms": 20107,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 17206,
            "500_1000ms": 12023,
            "50_100ms": 62654,
            "5_10ms": 0,
            "ge30000ms": 353000,
            "neg": 0
          },
          "max_ms": 8893421969,
          "mean_ms": 81141914.55075513,
          "measurable": 551895,
          "min_ms": 73,
          "p50_ms": 260522.0,
          "p90_ms": 51556145.8,
          "p99_ms": 2423338119.0,
          "rows": 551895,
          "unmeasurable": 0,
          "won_output_rows": 71451
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5024,
            "1000_2000ms": 3107,
            "100_200ms": 7853,
            "10_20ms": 20131,
            "1_2ms": 0,
            "2000_5000ms": 8756,
            "200_500ms": 7790,
            "20_50ms": 76935,
            "2_5ms": 0,
            "5000_10000ms": 3114,
            "500_1000ms": 3365,
            "50_100ms": 15492,
            "5_10ms": 0,
            "ge30000ms": 54206,
            "neg": 0
          },
          "max_ms": 8893920382,
          "mean_ms": 31991202.522605006,
          "measurable": 205773,
          "min_ms": 15,
          "p50_ms": 64.0,
          "p90_ms": 10913595.0,
          "p99_ms": 678537857.0,
          "rows": 205773,
          "unmeasurable": 0,
          "won_output_rows": 62824
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 2,
      "class": "FULL",
      "exception_markets": 510,
      "rows_by_domain": {
        "c": 45830,
        "e": 63821,
        "f": 61337,
        "g": 60150,
        "h": 63922
      },
      "rows_c": 45830,
      "rows_e": 63821,
      "rows_f": 61337,
      "rows_g": 60150,
      "rows_h": 63922,
      "rows_joined": 64103,
      "rows_merged": 64101,
      "unique_by_domain": {
        "c": 3,
        "e": 2,
        "f": 2,
        "g": 1,
        "h": 4
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 65,
            "100_200ms": 1595,
            "10_20ms": 16124,
            "1_2ms": 0,
            "2000_5000ms": 40,
            "200_500ms": 1176,
            "20_50ms": 8650,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 195,
            "50_100ms": 2896,
            "5_10ms": 15089,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4946,
          "mean_ms": 37.60861880864063,
          "measurable": 45830,
          "min_ms": 5,
          "p50_ms": 11.0,
          "p90_ms": 65.0,
          "p99_ms": 420.7099999999991,
          "rows": 45830,
          "unmeasurable": 0,
          "won_output_rows": 42847
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 612,
            "1000_2000ms": 2031,
            "100_200ms": 8098,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1613,
            "200_500ms": 5962,
            "20_50ms": 22188,
            "2_5ms": 0,
            "5000_10000ms": 634,
            "500_1000ms": 2634,
            "50_100ms": 20049,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29821,
          "mean_ms": 474.43368170351454,
          "measurable": 63821,
          "min_ms": 37,
          "p50_ms": 72.0,
          "p90_ms": 643.0,
          "p99_ms": 9834.0,
          "rows": 63821,
          "unmeasurable": 0,
          "won_output_rows": 1866
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 411,
            "1000_2000ms": 1836,
            "100_200ms": 9545,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1420,
            "200_500ms": 6083,
            "20_50ms": 11322,
            "2_5ms": 0,
            "5000_10000ms": 410,
            "500_1000ms": 2750,
            "50_100ms": 27560,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 23895,
          "mean_ms": 379.0586595366581,
          "measurable": 61337,
          "min_ms": 43,
          "p50_ms": 77.0,
          "p90_ms": 575.0,
          "p99_ms": 6379.0,
          "rows": 61337,
          "unmeasurable": 0,
          "won_output_rows": 872
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1166,
            "1000_2000ms": 2363,
            "100_200ms": 15913,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 2212,
            "200_500ms": 10820,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 1557,
            "500_1000ms": 3931,
            "50_100ms": 22049,
            "5_10ms": 0,
            "ge30000ms": 139,
            "neg": 0
          },
          "max_ms": 38672,
          "mean_ms": 942.3746633416459,
          "measurable": 60150,
          "min_ms": 75,
          "p50_ms": 129.0,
          "p90_ms": 1429.0,
          "p99_ms": 16607.55000000001,
          "rows": 60150,
          "unmeasurable": 0,
          "won_output_rows": 149
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 65,
            "1000_2000ms": 574,
            "100_200ms": 4508,
            "10_20ms": 1921,
            "1_2ms": 0,
            "2000_5000ms": 352,
            "200_500ms": 3743,
            "20_50ms": 43139,
            "2_5ms": 0,
            "5000_10000ms": 129,
            "500_1000ms": 1273,
            "50_100ms": 8194,
            "5_10ms": 0,
            "ge30000ms": 24,
            "neg": 0
          },
          "max_ms": 54617,
          "mean_ms": 146.0401426738838,
          "measurable": 63922,
          "min_ms": 16,
          "p50_ms": 29.0,
          "p90_ms": 190.0,
          "p99_ms": 1766.1100000000079,
          "rows": 63922,
          "unmeasurable": 0,
          "won_output_rows": 18367
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 104,
      "rows_by_domain": {
        "c": 1125,
        "e": 1079,
        "f": 1065,
        "g": 1074,
        "h": 1079
      },
      "rows_c": 1125,
      "rows_e": 1079,
      "rows_f": 1065,
      "rows_g": 1074,
      "rows_h": 1079,
      "rows_joined": 1426,
      "rows_merged": 1426,
      "unique_by_domain": {
        "c": 289,
        "e": 0,
        "f": 35,
        "g": 8,
        "h": 0
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1,
            "100_200ms": 9,
            "10_20ms": 52,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 12,
            "20_50ms": 43,
            "2_5ms": 149,
            "5000_10000ms": 0,
            "500_1000ms": 3,
            "50_100ms": 15,
            "5_10ms": 513,
            "ge30000ms": 328,
            "neg": 0
          },
          "max_ms": 1019815,
          "mean_ms": 118158.072,
          "measurable": 1125,
          "min_ms": 3,
          "p50_ms": 7.0,
          "p90_ms": 402509.0,
          "p99_ms": 1016815.0,
          "rows": 1125,
          "unmeasurable": 0,
          "won_output_rows": 1036
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 145,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 119,
            "20_50ms": 662,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 10,
            "50_100ms": 75,
            "5_10ms": 0,
            "ge30000ms": 68,
            "neg": 0
          },
          "max_ms": 59631,
          "mean_ms": 3697.978683966636,
          "measurable": 1079,
          "min_ms": 35,
          "p50_ms": 42.0,
          "p90_ms": 350.20000000000005,
          "p99_ms": 59222.88,
          "rows": 1079,
          "unmeasurable": 0,
          "won_output_rows": 30
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 142,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 135,
            "20_50ms": 602,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 11,
            "50_100ms": 147,
            "5_10ms": 0,
            "ge30000ms": 28,
            "neg": 0
          },
          "max_ms": 305355,
          "mean_ms": 5827.430046948357,
          "measurable": 1065,
          "min_ms": 41,
          "p50_ms": 48.0,
          "p90_ms": 281.80000000000007,
          "p99_ms": 303503.5599999997,
          "rows": 1065,
          "unmeasurable": 0,
          "won_output_rows": 46
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 11,
            "100_200ms": 107,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 217,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 71,
            "50_100ms": 604,
            "5_10ms": 0,
            "ge30000ms": 63,
            "neg": 0
          },
          "max_ms": 329355,
          "mean_ms": 8184.072625698324,
          "measurable": 1074,
          "min_ms": 73,
          "p50_ms": 94.0,
          "p90_ms": 607.7,
          "p99_ms": 327249.6699999999,
          "rows": 1074,
          "unmeasurable": 0,
          "won_output_rows": 11
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 2,
            "100_200ms": 51,
            "10_20ms": 542,
            "1_2ms": 0,
            "2000_5000ms": 2,
            "200_500ms": 35,
            "20_50ms": 235,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 8,
            "50_100ms": 135,
            "5_10ms": 0,
            "ge30000ms": 68,
            "neg": 0
          },
          "max_ms": 57810,
          "mean_ms": 3550.028730305839,
          "measurable": 1079,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 235.80000000000018,
          "p99_ms": 57359.88,
          "rows": 1079,
          "unmeasurable": 0,
          "won_output_rows": 303
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 43,
      "rows_by_domain": {
        "c": 6189,
        "e": 5080,
        "f": 5183,
        "g": 5187,
        "h": 5080
      },
      "rows_c": 6189,
      "rows_e": 5080,
      "rows_f": 5183,
      "rows_g": 5187,
      "rows_h": 5080,
      "rows_joined": 8926,
      "rows_merged": 8926,
      "unique_by_domain": {
        "c": 1148,
        "e": 208,
        "f": 371,
        "g": 286,
        "h": 295
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 76,
            "1000_2000ms": 0,
            "100_200ms": 670,
            "10_20ms": 371,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 861,
            "20_50ms": 1117,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 55,
            "50_100ms": 1002,
            "5_10ms": 94,
            "ge30000ms": 1943,
            "neg": 0
          },
          "max_ms": 1174978,
          "mean_ms": 97215.33414121829,
          "measurable": 6189,
          "min_ms": 6,
          "p50_ms": 176.0,
          "p90_ms": 370075.19999999995,
          "p99_ms": 611475.8,
          "rows": 6189,
          "unmeasurable": 0,
          "won_output_rows": 4108
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 257,
            "1000_2000ms": 0,
            "100_200ms": 1288,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1545,
            "20_50ms": 118,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 83,
            "50_100ms": 733,
            "5_10ms": 0,
            "ge30000ms": 1054,
            "neg": 0
          },
          "max_ms": 290668,
          "mean_ms": 32546.832677165356,
          "measurable": 5080,
          "min_ms": 41,
          "p50_ms": 233.0,
          "p90_ms": 138665.50000000012,
          "p99_ms": 247827.19,
          "rows": 5080,
          "unmeasurable": 0,
          "won_output_rows": 943
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 209,
            "1000_2000ms": 0,
            "100_200ms": 1153,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1616,
            "20_50ms": 167,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 118,
            "50_100ms": 633,
            "5_10ms": 0,
            "ge30000ms": 1287,
            "neg": 0
          },
          "max_ms": 2398366,
          "mean_ms": 180892.11827127147,
          "measurable": 5183,
          "min_ms": 44,
          "p50_ms": 253.0,
          "p90_ms": 238368.2,
          "p99_ms": 2373235.02,
          "rows": 5183,
          "unmeasurable": 0,
          "won_output_rows": 1245
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 214,
            "1000_2000ms": 1,
            "100_200ms": 428,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 2194,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 511,
            "50_100ms": 526,
            "5_10ms": 0,
            "ge30000ms": 1313,
            "neg": 0
          },
          "max_ms": 293975,
          "mean_ms": 46602.40582224793,
          "measurable": 5187,
          "min_ms": 76,
          "p50_ms": 376.0,
          "p90_ms": 235250.0,
          "p99_ms": 283506.00000000006,
          "rows": 5187,
          "unmeasurable": 0,
          "won_output_rows": 1050
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 260,
            "1000_2000ms": 0,
            "100_200ms": 1272,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1293,
            "20_50ms": 590,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 72,
            "50_100ms": 700,
            "5_10ms": 0,
            "ge30000ms": 890,
            "neg": 0
          },
          "max_ms": 282945,
          "mean_ms": 28864.38031496063,
          "measurable": 5080,
          "min_ms": 20,
          "p50_ms": 198.0,
          "p90_ms": 123964.90000000011,
          "p99_ms": 247424.52000000002,
          "rows": 5080,
          "unmeasurable": 0,
          "won_output_rows": 1580
        }
      }
    },
    "price_change": {
      "boundary_dropped": 3142,
      "class": "FULL",
      "exception_markets": 6068,
      "rows_by_domain": {
        "c": 79671720,
        "e": 107288986,
        "f": 102642505,
        "g": 102369230,
        "h": 107313812
      },
      "rows_c": 79671720,
      "rows_e": 107288986,
      "rows_f": 102642505,
      "rows_g": 102369230,
      "rows_h": 107313812,
      "rows_joined": 107345114,
      "rows_merged": 107341972,
      "unique_by_domain": {
        "c": 3148,
        "e": 650,
        "f": 130,
        "g": 196,
        "h": 3174
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 424,
            "1000_2000ms": 37024,
            "100_200ms": 1630160,
            "10_20ms": 6752722,
            "1_2ms": 0,
            "2000_5000ms": 11180,
            "200_500ms": 1605484,
            "20_50ms": 3550811,
            "2_5ms": 14893598,
            "5000_10000ms": 1410,
            "500_1000ms": 232754,
            "50_100ms": 2029964,
            "5_10ms": 48926075,
            "ge30000ms": 114,
            "neg": 0
          },
          "max_ms": 40192,
          "mean_ms": 20.860793993150896,
          "measurable": 79671720,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 25.0,
          "p99_ms": 333.0,
          "rows": 79671720,
          "unmeasurable": 0,
          "won_output_rows": 74225261
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 89470,
            "1000_2000ms": 431130,
            "100_200ms": 5998382,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 296568,
            "200_500ms": 5360060,
            "20_50ms": 82305310,
            "2_5ms": 0,
            "5000_10000ms": 110786,
            "500_1000ms": 1325324,
            "50_100ms": 11371956,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29910,
          "mean_ms": 105.8775095889153,
          "measurable": 107288986,
          "min_ms": 33,
          "p50_ms": 41.0,
          "p90_ms": 133.0,
          "p99_ms": 858.0,
          "rows": 107288986,
          "unmeasurable": 0,
          "won_output_rows": 3730750
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 56294,
            "1000_2000ms": 402974,
            "100_200ms": 6251994,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 272160,
            "200_500ms": 5166070,
            "20_50ms": 69264836,
            "2_5ms": 0,
            "5000_10000ms": 69134,
            "500_1000ms": 1300366,
            "50_100ms": 19858677,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 23941,
          "mean_ms": 101.4694389619583,
          "measurable": 102642505,
          "min_ms": 39,
          "p50_ms": 47.0,
          "p90_ms": 135.0,
          "p99_ms": 781.0,
          "rows": 102642505,
          "unmeasurable": 0,
          "won_output_rows": 1163650
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 303772,
            "1000_2000ms": 1340562,
            "100_200ms": 14772194,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 813196,
            "200_500ms": 9316854,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 370118,
            "500_1000ms": 4085924,
            "50_100ms": 71349360,
            "5_10ms": 0,
            "ge30000ms": 17250,
            "neg": 0
          },
          "max_ms": 38723,
          "mean_ms": 256.97717226162587,
          "measurable": 102369230,
          "min_ms": 72,
          "p50_ms": 89.0,
          "p90_ms": 344.0,
          "p99_ms": 3285.0,
          "rows": 102369230,
          "unmeasurable": 0,
          "won_output_rows": 111462
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 65036,
            "1000_2000ms": 397220,
            "100_200ms": 2997902,
            "10_20ms": 68587374,
            "1_2ms": 0,
            "2000_5000ms": 410998,
            "200_500ms": 3112650,
            "20_50ms": 24384042,
            "2_5ms": 0,
            "5000_10000ms": 247480,
            "500_1000ms": 1161222,
            "50_100ms": 5915612,
            "5_10ms": 0,
            "ge30000ms": 34276,
            "neg": 0
          },
          "max_ms": 77566,
          "mean_ms": 98.14078925832958,
          "measurable": 107313812,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 71.0,
          "p99_ms": 1095.0,
          "rows": 107313812,
          "unmeasurable": 0,
          "won_output_rows": 28110849
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 392,
      "rows_by_domain": {
        "c": 3132,
        "e": 4700,
        "f": 4576,
        "g": 4552,
        "h": 4700
      },
      "rows_c": 3132,
      "rows_e": 4700,
      "rows_f": 4576,
      "rows_g": 4552,
      "rows_h": 4700,
      "rows_joined": 4700,
      "rows_merged": 4700,
      "unique_by_domain": {
        "c": 0,
        "e": 0,
        "f": 0,
        "g": 0,
        "h": 0
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 24,
            "10_20ms": 171,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 52,
            "20_50ms": 36,
            "2_5ms": 701,
            "5000_10000ms": 0,
            "500_1000ms": 16,
            "50_100ms": 36,
            "5_10ms": 2092,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1158,
          "mean_ms": 18.325351213282246,
          "measurable": 3132,
          "min_ms": 3,
          "p50_ms": 5.0,
          "p90_ms": 10.0,
          "p99_ms": 462.3600000000024,
          "rows": 3132,
          "unmeasurable": 0,
          "won_output_rows": 3008
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 158,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 125,
            "20_50ms": 4133,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 29,
            "50_100ms": 255,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 938,
          "mean_ms": 55.10340425531915,
          "measurable": 4700,
          "min_ms": 35,
          "p50_ms": 40.0,
          "p90_ms": 58.0,
          "p99_ms": 418.0,
          "rows": 4700,
          "unmeasurable": 0,
          "won_output_rows": 107
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 166,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 112,
            "20_50ms": 3708,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 20,
            "50_100ms": 570,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 741,
          "mean_ms": 59.15166083916084,
          "measurable": 4576,
          "min_ms": 41,
          "p50_ms": 46.0,
          "p90_ms": 63.5,
          "p99_ms": 371.75,
          "rows": 4576,
          "unmeasurable": 0,
          "won_output_rows": 40
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 16,
            "100_200ms": 371,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 214,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 80,
            "50_100ms": 3871,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1442,
          "mean_ms": 114.03932337434095,
          "measurable": 4552,
          "min_ms": 73,
          "p50_ms": 81.0,
          "p90_ms": 143.0,
          "p99_ms": 785.0,
          "rows": 4552,
          "unmeasurable": 0
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 8,
            "1000_2000ms": 12,
            "100_200ms": 36,
            "10_20ms": 3493,
            "1_2ms": 0,
            "2000_5000ms": 8,
            "200_500ms": 72,
            "20_50ms": 961,
            "2_5ms": 0,
            "5000_10000ms": 4,
            "500_1000ms": 32,
            "50_100ms": 74,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 22847,
          "mean_ms": 79.73191489361702,
          "measurable": 4700,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 32.0,
          "p99_ms": 663.0,
          "rows": 4700,
          "unmeasurable": 0,
          "won_output_rows": 1545
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1337621436,
  "file": "2026-09-09T20.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-09/20",
  "hour_utc": "2026-09-09T20:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53761729942764467,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 844425468209231,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        126188152
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729942748407,
      "min_sequence": 844425468209231,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 10831428,
      "row_groups": [
        0,
        41
      ],
      "sha256": "62bd29ddf2500974094534b62f1a6e6339f82069207260d5082c6d4dd9736439"
    },
    "book": {
      "byte_range": [
        126188152,
        231833252
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729942601915,
      "min_sequence": 844425468272124,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2617444,
      "row_groups": [
        42,
        51
      ],
      "sha256": "bccff0e6ea0e3fa6e2e6e71e9944b140e51d019955f545d72e55790dc9afa799"
    },
    "last_trade_price": {
      "byte_range": [
        231833252,
        235479511
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729941969548,
      "min_sequence": 844425468847168,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 64101,
      "row_groups": [
        52,
        52
      ],
      "sha256": "c1b01c1d8edd180b7f4537db407ec13c8b2821008e151d94b5eb3ece2d370087"
    },
    "market_resolved": {
      "byte_range": [
        235479511,
        235658794
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729938426160,
      "min_sequence": 844425480586247,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1426,
      "row_groups": [
        53,
        53
      ],
      "sha256": "f5148bef6d75019150ef029f15e417600dfefe65a6dc39bda8f174db996bf633"
    },
    "new_market": {
      "byte_range": [
        235658794,
        236493201
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729942020878,
      "min_sequence": 844425469565162,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 8926,
      "row_groups": [
        54,
        54
      ],
      "sha256": "5685eb4dffe5c74ca119b747323a6b253f3926beaaeea27b51dd063b888c2f5c"
    },
    "price_change": {
      "byte_range": [
        236493201,
        1336073528
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729942764467,
      "min_sequence": 844425468209233,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 107341972,
      "row_groups": [
        55,
        464
      ],
      "sha256": "4758a8e921117ff23d4553108df77c50917d996acf77408f2a244e5af30d9ed7"
    },
    "tick_size_change": {
      "byte_range": [
        1336073528,
        1336246041
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761729934238094,
      "min_sequence": 844425470342839,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 4700,
      "row_groups": [
        465,
        465
      ],
      "sha256": "aaf132d26b02f4efc9768bb499b921a23df895a485f818313d9dad8704f8f0be"
    }
  },
  "row_count": 120869997,
  "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the EARLIEST-RECEIVED copy, equal arrivals breaking by registry order (active: c, h, e, f, g). The winner is per row, not per hour -- each row names its own in source_witness",
  "sha256": "0c82fd6eba57ce164ec4efe8683ea32a5becafe5ea1e2ae43c19d0bbb87573d8",
  "verification": {
    "note": "A range digest certifies BYTES. That those bytes are that product comes from this manifest and is cross-checkable against the Parquet footer, which is inside the whole-file sha256.",
    "primary": "sha256sum <file> == .sha256",
    "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
  },
  "witness_stats": "2026-09-09T20.witness_stats.json",
  "witnesses": "chefg",
  "served_verbatim": true,
  "served_note": "This hour is the merger's union file, published byte for byte. Hours before the era cutover are rebuilt here from the seven product files and carry one column fewer."
}
