{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 300,
      "class": "FULL",
      "exception_markets": 1202,
      "rows_by_domain": {
        "c": 10291635,
        "e": 10847646,
        "f": 10413379,
        "g": 10368823,
        "h": 10850294
      },
      "rows_c": 10291635,
      "rows_e": 10847646,
      "rows_f": 10413379,
      "rows_g": 10368823,
      "rows_h": 10850294,
      "rows_joined": 10853932,
      "rows_merged": 10853632,
      "unique_by_domain": {
        "c": 736,
        "e": 260,
        "f": 286,
        "g": 124,
        "h": 342
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 671,
            "100_200ms": 102317,
            "10_20ms": 915881,
            "1_2ms": 0,
            "2000_5000ms": 60,
            "200_500ms": 65010,
            "20_50ms": 520644,
            "2_5ms": 2562323,
            "5000_10000ms": 0,
            "500_1000ms": 7848,
            "50_100ms": 198970,
            "5_10ms": 5917911,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4102,
          "mean_ms": 12.277863429863185,
          "measurable": 10291635,
          "min_ms": 2,
          "p50_ms": 5.0,
          "p90_ms": 17.0,
          "p99_ms": 158.0,
          "rows": 10291635,
          "unmeasurable": 0,
          "won_output_rows": 9673637
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2260,
            "1000_2000ms": 7841,
            "100_200ms": 353989,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 6643,
            "200_500ms": 160990,
            "20_50ms": 9224983,
            "2_5ms": 0,
            "5000_10000ms": 4311,
            "500_1000ms": 23157,
            "50_100ms": 1063472,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 18297,
          "mean_ms": 60.538390264579064,
          "measurable": 10847646,
          "min_ms": 36,
          "p50_ms": 42.0,
          "p90_ms": 61.0,
          "p99_ms": 297.0,
          "rows": 10847646,
          "unmeasurable": 0,
          "won_output_rows": 102049
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 924,
            "1000_2000ms": 6362,
            "100_200ms": 337723,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 5689,
            "200_500ms": 171349,
            "20_50ms": 8446132,
            "2_5ms": 0,
            "5000_10000ms": 2118,
            "500_1000ms": 26256,
            "50_100ms": 1416826,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 15883,
          "mean_ms": 59.90678837291911,
          "measurable": 10413379,
          "min_ms": 38,
          "p50_ms": 44.0,
          "p90_ms": 65.0,
          "p99_ms": 312.0,
          "rows": 10413379,
          "unmeasurable": 0,
          "won_output_rows": 52601
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5570,
            "1000_2000ms": 24488,
            "100_200ms": 988148,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 12271,
            "200_500ms": 393828,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 5180,
            "500_1000ms": 93474,
            "50_100ms": 8844866,
            "5_10ms": 0,
            "ge30000ms": 998,
            "neg": 0
          },
          "max_ms": 40466,
          "mean_ms": 119.21146961424648,
          "measurable": 10368823,
          "min_ms": 67,
          "p50_ms": 79.0,
          "p90_ms": 119.0,
          "p99_ms": 603.0,
          "rows": 10368823,
          "unmeasurable": 0,
          "won_output_rows": 2942
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 10,
            "1000_2000ms": 9575,
            "100_200ms": 131397,
            "10_20ms": 6019992,
            "1_2ms": 0,
            "2000_5000ms": 8592,
            "200_500ms": 90190,
            "20_50ms": 4152684,
            "2_5ms": 0,
            "5000_10000ms": 2778,
            "500_1000ms": 31312,
            "50_100ms": 403722,
            "5_10ms": 0,
            "ge30000ms": 42,
            "neg": 0
          },
          "max_ms": 36697,
          "mean_ms": 33.49915071425714,
          "measurable": 10850294,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 36.0,
          "p99_ms": 262.0,
          "rows": 10850294,
          "unmeasurable": 0,
          "won_output_rows": 1022403
        }
      }
    },
    "book": {
      "boundary_dropped": 16,
      "class": "FULL",
      "exception_markets": 174262,
      "rows_by_domain": {
        "c": 558965,
        "e": 131330,
        "f": 509443,
        "g": 515861,
        "h": 131496
      },
      "rows_c": 558965,
      "rows_e": 131330,
      "rows_f": 509443,
      "rows_g": 515861,
      "rows_h": 131496,
      "rows_joined": 981165,
      "rows_merged": 981149,
      "unique_by_domain": {
        "c": 292233,
        "e": 3230,
        "f": 148729,
        "g": 149302,
        "h": 4447
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 41638,
            "1000_2000ms": 6512,
            "100_200ms": 3589,
            "10_20ms": 20164,
            "1_2ms": 0,
            "2000_5000ms": 14503,
            "200_500ms": 4275,
            "20_50ms": 9506,
            "2_5ms": 4419,
            "5000_10000ms": 16722,
            "500_1000ms": 4083,
            "50_100ms": 5061,
            "5_10ms": 76175,
            "ge30000ms": 352318,
            "neg": 0
          },
          "max_ms": 9483630040,
          "mean_ms": 122846248.69364808,
          "measurable": 558965,
          "min_ms": 3,
          "p50_ms": 113878.0,
          "p90_ms": 61311501.0,
          "p99_ms": 3028776127.12,
          "rows": 558965,
          "unmeasurable": 0,
          "won_output_rows": 539795
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2243,
            "1000_2000ms": 4841,
            "100_200ms": 13479,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 5858,
            "200_500ms": 8732,
            "20_50ms": 67128,
            "2_5ms": 0,
            "5000_10000ms": 3413,
            "500_1000ms": 4613,
            "50_100ms": 15943,
            "5_10ms": 0,
            "ge30000ms": 5080,
            "neg": 0
          },
          "max_ms": 7879551293,
          "mean_ms": 8994136.304515343,
          "measurable": 131330,
          "min_ms": 37,
          "p50_ms": 48.0,
          "p90_ms": 3058.0,
          "p99_ms": 1486219.2099999646,
          "rows": 131330,
          "unmeasurable": 0,
          "won_output_rows": 6542
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 36437,
            "1000_2000ms": 9154,
            "100_200ms": 12713,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 17102,
            "200_500ms": 10907,
            "20_50ms": 61393,
            "2_5ms": 0,
            "5000_10000ms": 16274,
            "500_1000ms": 7683,
            "50_100ms": 20043,
            "5_10ms": 0,
            "ge30000ms": 317737,
            "neg": 0
          },
          "max_ms": 9483005009,
          "mean_ms": 119888138.2030178,
          "measurable": 509443,
          "min_ms": 39,
          "p50_ms": 116601.0,
          "p90_ms": 50530402.0,
          "p99_ms": 3014475380.0,
          "rows": 509443,
          "unmeasurable": 0,
          "won_output_rows": 156450
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 42511,
            "1000_2000ms": 10627,
            "100_200ms": 14348,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 20000,
            "200_500ms": 13677,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 18554,
            "500_1000ms": 10042,
            "50_100ms": 63181,
            "5_10ms": 0,
            "ge30000ms": 322921,
            "neg": 0
          },
          "max_ms": 9482999324,
          "mean_ms": 121359010.46356674,
          "measurable": 515861,
          "min_ms": 67,
          "p50_ms": 107574.0,
          "p90_ms": 52905737.0,
          "p99_ms": 3017620711.0,
          "rows": 515861,
          "unmeasurable": 0,
          "won_output_rows": 261552
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 352,
            "1000_2000ms": 1156,
            "100_200ms": 6757,
            "10_20ms": 13091,
            "1_2ms": 0,
            "2000_5000ms": 1661,
            "200_500ms": 5852,
            "20_50ms": 84536,
            "2_5ms": 0,
            "5000_10000ms": 214,
            "500_1000ms": 2007,
            "50_100ms": 11392,
            "5_10ms": 0,
            "ge30000ms": 4478,
            "neg": 0
          },
          "max_ms": 7879388129,
          "mean_ms": 3232681.2917122953,
          "measurable": 131496,
          "min_ms": 14,
          "p50_ms": 25.0,
          "p90_ms": 284.0,
          "p99_ms": 1094623.0,
          "rows": 131496,
          "unmeasurable": 0,
          "won_output_rows": 16810
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 1,
      "class": "FULL",
      "exception_markets": 241,
      "rows_by_domain": {
        "c": 56655,
        "e": 58841,
        "f": 55684,
        "g": 54575,
        "h": 59364
      },
      "rows_c": 56655,
      "rows_e": 58841,
      "rows_f": 55684,
      "rows_g": 54575,
      "rows_h": 59364,
      "rows_joined": 59711,
      "rows_merged": 59710,
      "unique_by_domain": {
        "c": 4,
        "e": 5,
        "f": 3,
        "g": 4,
        "h": 9
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 27,
            "100_200ms": 1885,
            "10_20ms": 19651,
            "1_2ms": 0,
            "2000_5000ms": 61,
            "200_500ms": 810,
            "20_50ms": 11425,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 142,
            "50_100ms": 3898,
            "5_10ms": 18756,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4913,
          "mean_ms": 32.586444267937516,
          "measurable": 56655,
          "min_ms": 5,
          "p50_ms": 11.0,
          "p90_ms": 58.0,
          "p99_ms": 277.0,
          "rows": 56655,
          "unmeasurable": 0,
          "won_output_rows": 53224
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 759,
            "1000_2000ms": 1980,
            "100_200ms": 7210,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 2093,
            "200_500ms": 4460,
            "20_50ms": 20499,
            "2_5ms": 0,
            "5000_10000ms": 1495,
            "500_1000ms": 2158,
            "50_100ms": 18187,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 18333,
          "mean_ms": 623.8978093506229,
          "measurable": 58841,
          "min_ms": 39,
          "p50_ms": 68.0,
          "p90_ms": 1196.0,
          "p99_ms": 11080.199999999983,
          "rows": 58841,
          "unmeasurable": 0,
          "won_output_rows": 467
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 334,
            "1000_2000ms": 1636,
            "100_200ms": 7711,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1881,
            "200_500ms": 4341,
            "20_50ms": 16570,
            "2_5ms": 0,
            "5000_10000ms": 722,
            "500_1000ms": 1979,
            "50_100ms": 20510,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 15894,
          "mean_ms": 427.1910243516989,
          "measurable": 55684,
          "min_ms": 41,
          "p50_ms": 67.0,
          "p90_ms": 684.7000000000044,
          "p99_ms": 8035.529999999984,
          "rows": 55684,
          "unmeasurable": 0,
          "won_output_rows": 304
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1623,
            "1000_2000ms": 2143,
            "100_200ms": 13605,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 2866,
            "200_500ms": 7033,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 1365,
            "500_1000ms": 2723,
            "50_100ms": 22905,
            "5_10ms": 0,
            "ge30000ms": 312,
            "neg": 0
          },
          "max_ms": 40510,
          "mean_ms": 1188.9808520384793,
          "measurable": 54575,
          "min_ms": 70,
          "p50_ms": 115.0,
          "p90_ms": 2492.0,
          "p99_ms": 18540.260000000002,
          "rows": 54575,
          "unmeasurable": 0,
          "won_output_rows": 41
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 219,
            "100_200ms": 3987,
            "10_20ms": 921,
            "1_2ms": 0,
            "2000_5000ms": 125,
            "200_500ms": 2975,
            "20_50ms": 42278,
            "2_5ms": 0,
            "5000_10000ms": 10,
            "500_1000ms": 915,
            "50_100ms": 7934,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 8422,
          "mean_ms": 77.45935246951014,
          "measurable": 59364,
          "min_ms": 17,
          "p50_ms": 28.0,
          "p90_ms": 143.0,
          "p99_ms": 752.3700000000026,
          "rows": 59364,
          "unmeasurable": 0,
          "won_output_rows": 5674
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 56,
      "rows_by_domain": {
        "c": 1317,
        "e": 1313,
        "f": 1321,
        "g": 1273,
        "h": 1313
      },
      "rows_c": 1317,
      "rows_e": 1313,
      "rows_f": 1321,
      "rows_g": 1273,
      "rows_h": 1313,
      "rows_joined": 1434,
      "rows_merged": 1434,
      "unique_by_domain": {
        "c": 24,
        "e": 0,
        "f": 72,
        "g": 15,
        "h": 0
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 16,
            "10_20ms": 125,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 8,
            "20_50ms": 60,
            "2_5ms": 297,
            "5000_10000ms": 0,
            "500_1000ms": 3,
            "50_100ms": 17,
            "5_10ms": 767,
            "ge30000ms": 24,
            "neg": 0
          },
          "max_ms": 350143,
          "mean_ms": 5359.385725132878,
          "measurable": 1317,
          "min_ms": 3,
          "p50_ms": 6.0,
          "p90_ms": 19.0,
          "p99_ms": 308143.0,
          "rows": 1317,
          "unmeasurable": 0,
          "won_output_rows": 1262
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 355,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 92,
            "20_50ms": 734,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 17,
            "50_100ms": 106,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 55002,
          "mean_ms": 425.0799695354151,
          "measurable": 1313,
          "min_ms": 38,
          "p50_ms": 45.0,
          "p90_ms": 196.0,
          "p99_ms": 647.5199999999995,
          "rows": 1313,
          "unmeasurable": 0,
          "won_output_rows": 3
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 335,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 82,
            "20_50ms": 675,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 20,
            "50_100ms": 143,
            "5_10ms": 0,
            "ge30000ms": 65,
            "neg": 0
          },
          "max_ms": 373204,
          "mean_ms": 12370.448145344437,
          "measurable": 1321,
          "min_ms": 39,
          "p50_ms": 48.0,
          "p90_ms": 254.0,
          "p99_ms": 310204.0,
          "rows": 1321,
          "unmeasurable": 0,
          "won_output_rows": 75
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 7,
            "100_200ms": 167,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 323,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 42,
            "50_100ms": 731,
            "5_10ms": 0,
            "ge30000ms": 2,
            "neg": 0
          },
          "max_ms": 123029,
          "mean_ms": 348.3299293008641,
          "measurable": 1273,
          "min_ms": 68,
          "p50_ms": 89.0,
          "p90_ms": 329.0,
          "p99_ms": 913.0399999999995,
          "rows": 1273,
          "unmeasurable": 0,
          "won_output_rows": 17
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1,
            "100_200ms": 46,
            "10_20ms": 485,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 16,
            "20_50ms": 531,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 222,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 54637,
          "mean_ms": 369.9009900990099,
          "measurable": 1313,
          "min_ms": 15,
          "p50_ms": 22.0,
          "p90_ms": 74.0,
          "p99_ms": 481.4799999999975,
          "rows": 1313,
          "unmeasurable": 0,
          "won_output_rows": 77
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 0,
      "rows_by_domain": {
        "c": 1736,
        "e": 1736,
        "f": 1742,
        "g": 1736,
        "h": 1736
      },
      "rows_c": 1736,
      "rows_e": 1736,
      "rows_f": 1742,
      "rows_g": 1736,
      "rows_h": 1736,
      "rows_joined": 2735,
      "rows_merged": 2735,
      "unique_by_domain": {
        "c": 146,
        "e": 134,
        "f": 120,
        "g": 97,
        "h": 107
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 205,
            "1000_2000ms": 0,
            "100_200ms": 297,
            "10_20ms": 129,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 214,
            "20_50ms": 397,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 381,
            "5_10ms": 12,
            "ge30000ms": 97,
            "neg": 0
          },
          "max_ms": 273611,
          "mean_ms": 7691.519585253456,
          "measurable": 1736,
          "min_ms": 7,
          "p50_ms": 90.5,
          "p90_ms": 21351.5,
          "p99_ms": 128469.90000000069,
          "rows": 1736,
          "unmeasurable": 0,
          "won_output_rows": 1091
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 263,
            "1000_2000ms": 0,
            "100_200ms": 425,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 554,
            "20_50ms": 132,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 25,
            "50_100ms": 249,
            "5_10ms": 0,
            "ge30000ms": 88,
            "neg": 0
          },
          "max_ms": 146437,
          "mean_ms": 6672.900921658987,
          "measurable": 1736,
          "min_ms": 41,
          "p50_ms": 211.0,
          "p90_ms": 23854.0,
          "p99_ms": 96193.45000000033,
          "rows": 1736,
          "unmeasurable": 0,
          "won_output_rows": 356
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 260,
            "1000_2000ms": 0,
            "100_200ms": 456,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 546,
            "20_50ms": 70,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 43,
            "50_100ms": 284,
            "5_10ms": 0,
            "ge30000ms": 83,
            "neg": 0
          },
          "max_ms": 298135,
          "mean_ms": 7851.73306544202,
          "measurable": 1742,
          "min_ms": 43,
          "p50_ms": 210.5,
          "p90_ms": 22962.899999999998,
          "p99_ms": 125968.16999999955,
          "rows": 1742,
          "unmeasurable": 0,
          "won_output_rows": 289
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 210,
            "1000_2000ms": 0,
            "100_200ms": 204,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 812,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 210,
            "50_100ms": 221,
            "5_10ms": 0,
            "ge30000ms": 79,
            "neg": 0
          },
          "max_ms": 235748,
          "mean_ms": 6028.478110599079,
          "measurable": 1736,
          "min_ms": 72,
          "p50_ms": 328.5,
          "p90_ms": 18418.0,
          "p99_ms": 102607.95000000003,
          "rows": 1736,
          "unmeasurable": 0,
          "won_output_rows": 153
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 255,
            "1000_2000ms": 0,
            "100_200ms": 396,
            "10_20ms": 12,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 265,
            "20_50ms": 439,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 290,
            "5_10ms": 0,
            "ge30000ms": 79,
            "neg": 0
          },
          "max_ms": 146239,
          "mean_ms": 6210.002880184332,
          "measurable": 1736,
          "min_ms": 17,
          "p50_ms": 126.0,
          "p90_ms": 21902.0,
          "p99_ms": 97820.30000000044,
          "rows": 1736,
          "unmeasurable": 0,
          "won_output_rows": 846
        }
      }
    },
    "price_change": {
      "boundary_dropped": 2172,
      "class": "FULL",
      "exception_markets": 282,
      "rows_by_domain": {
        "c": 101952449,
        "e": 106943188,
        "f": 102438687,
        "g": 101979398,
        "h": 107117242
      },
      "rows_c": 101952449,
      "rows_e": 106943188,
      "rows_f": 102438687,
      "rows_g": 101979398,
      "rows_h": 107117242,
      "rows_joined": 107191006,
      "rows_merged": 107188834,
      "unique_by_domain": {
        "c": 3092,
        "e": 356,
        "f": 560,
        "g": 188,
        "h": 1706
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8822,
            "100_200ms": 1225476,
            "10_20ms": 9900832,
            "1_2ms": 0,
            "2000_5000ms": 1936,
            "200_500ms": 793252,
            "20_50ms": 5786336,
            "2_5ms": 22089748,
            "5000_10000ms": 0,
            "500_1000ms": 107680,
            "50_100ms": 2290018,
            "5_10ms": 59748349,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4102,
          "mean_ms": 13.750721574133054,
          "measurable": 101952449,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 20.0,
          "p99_ms": 185.0,
          "rows": 101952449,
          "unmeasurable": 0,
          "won_output_rows": 95531917
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 120410,
            "1000_2000ms": 584858,
            "100_200ms": 4659480,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 610540,
            "200_500ms": 2620612,
            "20_50ms": 85359472,
            "2_5ms": 0,
            "5000_10000ms": 325036,
            "500_1000ms": 764798,
            "50_100ms": 11897982,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 18338,
          "mean_ms": 121.00040511229196,
          "measurable": 106943188,
          "min_ms": 36,
          "p50_ms": 42.0,
          "p90_ms": 89.0,
          "p99_ms": 1972.0,
          "rows": 106943188,
          "unmeasurable": 0,
          "won_output_rows": 1006986
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 71724,
            "1000_2000ms": 511922,
            "100_200ms": 4461123,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 507358,
            "200_500ms": 2626808,
            "20_50ms": 78092046,
            "2_5ms": 0,
            "5000_10000ms": 158016,
            "500_1000ms": 757188,
            "50_100ms": 15252502,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 15922,
          "mean_ms": 103.91602055578865,
          "measurable": 102438687,
          "min_ms": 38,
          "p50_ms": 44.0,
          "p90_ms": 89.0,
          "p99_ms": 1348.0,
          "rows": 102438687,
          "unmeasurable": 0,
          "won_output_rows": 567268
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 366650,
            "1000_2000ms": 781864,
            "100_200ms": 11066832,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 850910,
            "200_500ms": 5313876,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 430104,
            "500_1000ms": 1614492,
            "50_100ms": 81480732,
            "5_10ms": 0,
            "ge30000ms": 73938,
            "neg": 0
          },
          "max_ms": 40628,
          "mean_ms": 252.8356233677708,
          "measurable": 101979398,
          "min_ms": 67,
          "p50_ms": 81.0,
          "p90_ms": 182.0,
          "p99_ms": 4105.0,
          "rows": 101979398,
          "unmeasurable": 0,
          "won_output_rows": 44240
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 752,
            "1000_2000ms": 170278,
            "100_200ms": 1960020,
            "10_20ms": 54644410,
            "1_2ms": 0,
            "2000_5000ms": 94242,
            "200_500ms": 1446728,
            "20_50ms": 43408422,
            "2_5ms": 0,
            "5000_10000ms": 27624,
            "500_1000ms": 517668,
            "50_100ms": 4846764,
            "5_10ms": 0,
            "ge30000ms": 334,
            "neg": 0
          },
          "max_ms": 37014,
          "mean_ms": 39.12793813343327,
          "measurable": 107117242,
          "min_ms": 13,
          "p50_ms": 19.0,
          "p90_ms": 43.0,
          "p99_ms": 388.0,
          "rows": 107117242,
          "unmeasurable": 0,
          "won_output_rows": 10038423
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 139,
      "rows_by_domain": {
        "c": 4048,
        "e": 4208,
        "f": 3864,
        "g": 4036,
        "h": 4208
      },
      "rows_c": 4048,
      "rows_e": 4208,
      "rows_f": 3864,
      "rows_g": 4036,
      "rows_h": 4208,
      "rows_joined": 4208,
      "rows_merged": 4208,
      "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": 0,
            "100_200ms": 28,
            "10_20ms": 374,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 180,
            "2_5ms": 925,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 53,
            "5_10ms": 2488,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 191,
          "mean_ms": 8.903656126482213,
          "measurable": 4048,
          "min_ms": 3,
          "p50_ms": 6.0,
          "p90_ms": 13.0,
          "p99_ms": 69.70999999999822,
          "rows": 4048,
          "unmeasurable": 0,
          "won_output_rows": 3857
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 118,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 8,
            "200_500ms": 51,
            "20_50ms": 3720,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 311,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4796,
          "mean_ms": 57.372623574144484,
          "measurable": 4208,
          "min_ms": 37,
          "p50_ms": 42.0,
          "p90_ms": 54.0,
          "p99_ms": 222.0,
          "rows": 4208,
          "unmeasurable": 0,
          "won_output_rows": 13
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 187,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 20,
            "20_50ms": 3137,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 516,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 646,
          "mean_ms": 52.59239130434783,
          "measurable": 3864,
          "min_ms": 40,
          "p50_ms": 44.0,
          "p90_ms": 65.0,
          "p99_ms": 178.0,
          "rows": 3864,
          "unmeasurable": 0,
          "won_output_rows": 13
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 289,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 140,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 34,
            "50_100ms": 3573,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 774,
          "mean_ms": 94.71977205153617,
          "measurable": 4036,
          "min_ms": 68,
          "p50_ms": 79.0,
          "p90_ms": 101.0,
          "p99_ms": 489.0,
          "rows": 4036,
          "unmeasurable": 0
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 13,
            "10_20ms": 2148,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 8,
            "20_50ms": 1906,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 133,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 305,
          "mean_ms": 23.247861216730037,
          "measurable": 4208,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 31.0,
          "p99_ms": 72.0,
          "rows": 4208,
          "unmeasurable": 0,
          "won_output_rows": 325
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1288887433,
  "file": "2026-09-16T16.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-16/16",
  "hour_utc": "2026-09-16T16:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 222928181651382750,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 4222125675319735,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        130209989
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181651382740,
      "min_sequence": 4222125675344159,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 10853632,
      "row_groups": [
        0,
        41
      ],
      "sha256": "730c231ac88635d587a724e5f67690c84fa7dcb166cb6b01346114958b9ce45b"
    },
    "book": {
      "byte_range": [
        130209989,
        205253331
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181651381889,
      "min_sequence": 4222125675411946,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 981149,
      "row_groups": [
        42,
        45
      ],
      "sha256": "cc8f01545787387ee12c8c77b90b39609311ba9e2868c7586351482b72d91a34"
    },
    "last_trade_price": {
      "byte_range": [
        205253331,
        208717842
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181651382612,
      "min_sequence": 4222125675943986,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 59710,
      "row_groups": [
        46,
        46
      ],
      "sha256": "ac2f5be03d3f34d3cd47b3ea627f4734f1ac4bd2018c4f494ecc3dd011aaaa2e"
    },
    "market_resolved": {
      "byte_range": [
        208717842,
        208930817
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181649759177,
      "min_sequence": 4222125695418742,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1434,
      "row_groups": [
        47,
        47
      ],
      "sha256": "1d2a13d60a8627b60247667a3142ee42afdc4bad72a5e44dac3581695a3c4b3c"
    },
    "new_market": {
      "byte_range": [
        208930817,
        209201624
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181648322682,
      "min_sequence": 4222125675925766,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 2735,
      "row_groups": [
        48,
        48
      ],
      "sha256": "fd9d8854973a240a77f0c8cdf6855df7e022c9d24f2481bc6beeb85348a6307f"
    },
    "price_change": {
      "byte_range": [
        209201624,
        1287377512
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181651382750,
      "min_sequence": 4222125675319735,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 107188834,
      "row_groups": [
        49,
        457
      ],
      "sha256": "439166d8929848a87200507fdf2931c9a3103d9701f924e19876752d81a9d854"
    },
    "tick_size_change": {
      "byte_range": [
        1287377512,
        1287533207
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 222928181650077354,
      "min_sequence": 4222125683724460,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 4208,
      "row_groups": [
        458,
        458
      ],
      "sha256": "15a3ccda2c9ee46223405d4b4c99667b9a5b53500cb01490747dbe0f1e799602"
    }
  },
  "row_count": 119091702,
  "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": "d5985830ee84d1d735ffbd2d069b80d4e1dff49c4feddc8677fd0f544c76f2a3",
  "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": "2026-09-16T16.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."
}
