{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 102,
      "class": "FULL",
      "exception_markets": 1018,
      "rows_b": 9379976,
      "rows_by_domain": {
        "b": 9379976,
        "c": 10269390,
        "e": 10253767,
        "h": 10268411
      },
      "rows_c": 10269390,
      "rows_e": 10253767,
      "rows_h": 10268411,
      "rows_joined": 10271090,
      "rows_merged": 10270988,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 4382,
            "1000_2000ms": 11363,
            "100_200ms": 392902,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 12810,
            "200_500ms": 173987,
            "20_50ms": 2136246,
            "2_5ms": 0,
            "5000_10000ms": 8037,
            "500_1000ms": 37451,
            "50_100ms": 6602798,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 16938,
          "mean_ms": 82.79082675691281,
          "measurable": 9379976,
          "min_ms": 45,
          "p50_ms": 52.0,
          "p90_ms": 77.0,
          "p99_ms": 421.0,
          "rows": 9379976,
          "unmeasurable": 0,
          "won_output_rows": 32
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 160,
            "100_200ms": 50623,
            "10_20ms": 566154,
            "1_2ms": 0,
            "2000_5000ms": 70,
            "200_500ms": 47082,
            "20_50ms": 279041,
            "2_5ms": 4105414,
            "5000_10000ms": 4,
            "500_1000ms": 6614,
            "50_100ms": 86118,
            "5_10ms": 5128110,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5113,
          "mean_ms": 9.011715398869844,
          "measurable": 10269390,
          "min_ms": 2,
          "p50_ms": 5.0,
          "p90_ms": 10.0,
          "p99_ms": 102.0,
          "rows": 10269390,
          "unmeasurable": 0,
          "won_output_rows": 682
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5383,
            "1000_2000ms": 30766,
            "100_200ms": 481621,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 24194,
            "200_500ms": 263231,
            "20_50ms": 8349509,
            "2_5ms": 0,
            "5000_10000ms": 18675,
            "500_1000ms": 88727,
            "50_100ms": 991661,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 25264,
          "mean_ms": 92.43932576193706,
          "measurable": 10253767,
          "min_ms": 33,
          "p50_ms": 42.0,
          "p90_ms": 87.0,
          "p99_ms": 775.0,
          "rows": 10253767,
          "unmeasurable": 0,
          "won_output_rows": 10253691
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 264,
            "1000_2000ms": 6021,
            "100_200ms": 106859,
            "10_20ms": 6992527,
            "1_2ms": 0,
            "2000_5000ms": 3876,
            "200_500ms": 74012,
            "20_50ms": 2631457,
            "2_5ms": 0,
            "5000_10000ms": 1446,
            "500_1000ms": 23319,
            "50_100ms": 428378,
            "5_10ms": 0,
            "ge30000ms": 252,
            "neg": 0
          },
          "max_ms": 49294,
          "mean_ms": 31.04985844450519,
          "measurable": 10268411,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 35.0,
          "p99_ms": 213.0,
          "rows": 10268411,
          "unmeasurable": 0,
          "won_output_rows": 16583
        }
      }
    },
    "book": {
      "boundary_dropped": 16,
      "class": "FULL",
      "exception_markets": 154793,
      "rows_b": 1041647,
      "rows_by_domain": {
        "b": 1041647,
        "c": 361194,
        "e": 388608,
        "h": 378276
      },
      "rows_c": 361194,
      "rows_e": 388608,
      "rows_h": 378276,
      "rows_joined": 1418362,
      "rows_merged": 1418346,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 91510,
            "1000_2000ms": 17462,
            "100_200ms": 22295,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 35665,
            "200_500ms": 17460,
            "20_50ms": 10584,
            "2_5ms": 0,
            "5000_10000ms": 39669,
            "500_1000ms": 14445,
            "50_100ms": 72453,
            "5_10ms": 0,
            "ge30000ms": 720104,
            "neg": 0
          },
          "max_ms": 8274963373,
          "mean_ms": 115648885.50988963,
          "measurable": 1041647,
          "min_ms": 45,
          "p50_ms": 134497.0,
          "p90_ms": 33306610.0,
          "p99_ms": 2693875642.0,
          "rows": 1041647,
          "unmeasurable": 0,
          "won_output_rows": 730366
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 19834,
            "1000_2000ms": 2892,
            "100_200ms": 2807,
            "10_20ms": 28583,
            "1_2ms": 0,
            "2000_5000ms": 6367,
            "200_500ms": 3079,
            "20_50ms": 12751,
            "2_5ms": 13241,
            "5000_10000ms": 7080,
            "500_1000ms": 1974,
            "50_100ms": 4702,
            "5_10ms": 101586,
            "ge30000ms": 156298,
            "neg": 0
          },
          "max_ms": 8274964317,
          "mean_ms": 71972474.79415494,
          "measurable": 361194,
          "min_ms": 2,
          "p50_ms": 6726.0,
          "p90_ms": 15863329.900000006,
          "p99_ms": 2170152511.94,
          "rows": 361194,
          "unmeasurable": 0,
          "won_output_rows": 128431
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 27103,
            "1000_2000ms": 10021,
            "100_200ms": 20790,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 17544,
            "200_500ms": 13865,
            "20_50ms": 68803,
            "2_5ms": 0,
            "5000_10000ms": 17757,
            "500_1000ms": 8850,
            "50_100ms": 21720,
            "5_10ms": 0,
            "ge30000ms": 182155,
            "neg": 0
          },
          "max_ms": 8274935144,
          "mean_ms": 68163375.61123806,
          "measurable": 388608,
          "min_ms": 34,
          "p50_ms": 18284.0,
          "p90_ms": 18416834.499999892,
          "p99_ms": 2169887164.0,
          "rows": 388608,
          "unmeasurable": 0,
          "won_output_rows": 388604
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 21832,
            "1000_2000ms": 4349,
            "100_200ms": 10672,
            "10_20ms": 22732,
            "1_2ms": 0,
            "2000_5000ms": 7128,
            "200_500ms": 11016,
            "20_50ms": 95134,
            "2_5ms": 0,
            "5000_10000ms": 8166,
            "500_1000ms": 5702,
            "50_100ms": 21897,
            "5_10ms": 0,
            "ge30000ms": 169648,
            "neg": 0
          },
          "max_ms": 8274934338,
          "mean_ms": 75549604.40015492,
          "measurable": 378276,
          "min_ms": 15,
          "p50_ms": 11599.5,
          "p90_ms": 16979324.0,
          "p99_ms": 2170214790.0,
          "rows": 378276,
          "unmeasurable": 0,
          "won_output_rows": 170945
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 179,
      "rows_b": 71577,
      "rows_by_domain": {
        "b": 71577,
        "c": 80244,
        "e": 77421,
        "h": 80257
      },
      "rows_c": 80244,
      "rows_e": 77421,
      "rows_h": 80257,
      "rows_joined": 80308,
      "rows_merged": 80308,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1414,
            "1000_2000ms": 2683,
            "100_200ms": 9435,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 4226,
            "200_500ms": 5973,
            "20_50ms": 186,
            "2_5ms": 0,
            "5000_10000ms": 2741,
            "500_1000ms": 3344,
            "50_100ms": 41575,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 16946,
          "mean_ms": 886.7105634491527,
          "measurable": 71577,
          "min_ms": 48,
          "p50_ms": 79.0,
          "p90_ms": 2662.0,
          "p99_ms": 12504.240000000005,
          "rows": 71577,
          "unmeasurable": 0,
          "won_output_rows": 6
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 16,
            "100_200ms": 1674,
            "10_20ms": 27584,
            "1_2ms": 0,
            "2000_5000ms": 27,
            "200_500ms": 860,
            "20_50ms": 15628,
            "2_5ms": 2,
            "5000_10000ms": 0,
            "500_1000ms": 109,
            "50_100ms": 3758,
            "5_10ms": 30586,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4930,
          "mean_ms": 24.602101091670406,
          "measurable": 80244,
          "min_ms": 4,
          "p50_ms": 11.0,
          "p90_ms": 42.0,
          "p99_ms": 228.0,
          "rows": 80244,
          "unmeasurable": 0,
          "won_output_rows": 8
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1526,
            "1000_2000ms": 3398,
            "100_200ms": 7944,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 4742,
            "200_500ms": 6205,
            "20_50ms": 24970,
            "2_5ms": 0,
            "5000_10000ms": 4325,
            "500_1000ms": 3789,
            "50_100ms": 20522,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 25392,
          "mean_ms": 1029.6213430464602,
          "measurable": 77421,
          "min_ms": 40,
          "p50_ms": 71.0,
          "p90_ms": 3521.0,
          "p99_ms": 12257.600000000006,
          "rows": 77421,
          "unmeasurable": 0,
          "won_output_rows": 77421
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 5,
            "1000_2000ms": 610,
            "100_200ms": 5031,
            "10_20ms": 1708,
            "1_2ms": 0,
            "2000_5000ms": 169,
            "200_500ms": 5037,
            "20_50ms": 55738,
            "2_5ms": 0,
            "5000_10000ms": 4,
            "500_1000ms": 2211,
            "50_100ms": 9743,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 38383,
          "mean_ms": 92.73827828102222,
          "measurable": 80257,
          "min_ms": 17,
          "p50_ms": 27.0,
          "p90_ms": 200.0,
          "p99_ms": 992.4400000000023,
          "rows": 80257,
          "unmeasurable": 0,
          "won_output_rows": 2873
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 25,
      "rows_b": 1613,
      "rows_by_domain": {
        "b": 1613,
        "c": 1430,
        "e": 1430,
        "h": 1430
      },
      "rows_c": 1430,
      "rows_e": 1430,
      "rows_h": 1430,
      "rows_joined": 1693,
      "rows_merged": 1693,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 193,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 152,
            "20_50ms": 259,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 35,
            "50_100ms": 738,
            "5_10ms": 0,
            "ge30000ms": 236,
            "neg": 0
          },
          "max_ms": 591975,
          "mean_ms": 58921.554246745196,
          "measurable": 1613,
          "min_ms": 46,
          "p50_ms": 60.0,
          "p90_ms": 352328.0,
          "p99_ms": 513975.0,
          "rows": 1613,
          "unmeasurable": 0,
          "won_output_rows": 261
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 84,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 8,
            "20_50ms": 40,
            "2_5ms": 574,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 16,
            "5_10ms": 682,
            "ge30000ms": 21,
            "neg": 0
          },
          "max_ms": 56298,
          "mean_ms": 835.8657342657343,
          "measurable": 1430,
          "min_ms": 3,
          "p50_ms": 5.0,
          "p90_ms": 11.0,
          "p99_ms": 53463.84,
          "rows": 1430,
          "unmeasurable": 0,
          "won_output_rows": 1
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 5,
            "100_200ms": 166,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 143,
            "20_50ms": 982,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 39,
            "50_100ms": 73,
            "5_10ms": 0,
            "ge30000ms": 22,
            "neg": 0
          },
          "max_ms": 91161,
          "mean_ms": 976.3965034965034,
          "measurable": 1430,
          "min_ms": 36,
          "p50_ms": 43.0,
          "p90_ms": 291.10000000000014,
          "p99_ms": 53759.84,
          "rows": 1430,
          "unmeasurable": 0,
          "won_output_rows": 1430
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 103,
            "10_20ms": 790,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 21,
            "20_50ms": 347,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 148,
            "5_10ms": 0,
            "ge30000ms": 21,
            "neg": 0
          },
          "max_ms": 57140,
          "mean_ms": 856.6650349650349,
          "measurable": 1430,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 102.0,
          "p99_ms": 54305.84,
          "rows": 1430,
          "unmeasurable": 0,
          "won_output_rows": 1
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 5,
      "rows_b": 1270,
      "rows_by_domain": {
        "b": 1270,
        "c": 1208,
        "e": 1208,
        "h": 1208
      },
      "rows_c": 1208,
      "rows_e": 1208,
      "rows_h": 1208,
      "rows_joined": 1877,
      "rows_merged": 1877,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 140,
            "1000_2000ms": 0,
            "100_200ms": 200,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 7,
            "200_500ms": 393,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 52,
            "50_100ms": 174,
            "5_10ms": 0,
            "ge30000ms": 301,
            "neg": 0
          },
          "max_ms": 441394,
          "mean_ms": 57023.72440944882,
          "measurable": 1270,
          "min_ms": 52,
          "p50_ms": 346.5,
          "p90_ms": 233892.50000000006,
          "p99_ms": 438566.41000000003,
          "rows": 1270,
          "unmeasurable": 0,
          "won_output_rows": 159
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 191,
            "1000_2000ms": 0,
            "100_200ms": 156,
            "10_20ms": 93,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 191,
            "20_50ms": 259,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 1,
            "50_100ms": 253,
            "5_10ms": 25,
            "ge30000ms": 39,
            "neg": 0
          },
          "max_ms": 132322,
          "mean_ms": 4454.538079470199,
          "measurable": 1208,
          "min_ms": 6,
          "p50_ms": 92.0,
          "p90_ms": 18294.3,
          "p99_ms": 48567.580000000184,
          "rows": 1208,
          "unmeasurable": 0,
          "won_output_rows": 265
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 257,
            "1000_2000ms": 0,
            "100_200ms": 256,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 373,
            "20_50ms": 49,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 33,
            "50_100ms": 185,
            "5_10ms": 0,
            "ge30000ms": 55,
            "neg": 0
          },
          "max_ms": 105886,
          "mean_ms": 6268.05215231788,
          "measurable": 1208,
          "min_ms": 43,
          "p50_ms": 234.0,
          "p90_ms": 23459.6,
          "p99_ms": 54752.34000000015,
          "rows": 1208,
          "unmeasurable": 0,
          "won_output_rows": 1208
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 236,
            "1000_2000ms": 0,
            "100_200ms": 288,
            "10_20ms": 2,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 186,
            "20_50ms": 233,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 2,
            "50_100ms": 208,
            "5_10ms": 0,
            "ge30000ms": 53,
            "neg": 0
          },
          "max_ms": 99975,
          "mean_ms": 5604.476821192053,
          "measurable": 1208,
          "min_ms": 19,
          "p50_ms": 152.0,
          "p90_ms": 23128.199999999997,
          "p99_ms": 44459.06000000002,
          "rows": 1208,
          "unmeasurable": 0,
          "won_output_rows": 245
        }
      }
    },
    "price_change": {
      "boundary_dropped": 1030,
      "class": "FULL",
      "exception_markets": 224,
      "rows_b": 94167262,
      "rows_by_domain": {
        "b": 94167262,
        "c": 102918586,
        "e": 102179430,
        "h": 102903354
      },
      "rows_c": 102918586,
      "rows_e": 102179430,
      "rows_h": 102903354,
      "rows_joined": 102935082,
      "rows_merged": 102934052,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 139338,
            "1000_2000ms": 432164,
            "100_200ms": 5036183,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 524018,
            "200_500ms": 2445174,
            "20_50ms": 19610920,
            "2_5ms": 0,
            "5000_10000ms": 324854,
            "500_1000ms": 750422,
            "50_100ms": 64904189,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 16941,
          "mean_ms": 137.40720815478315,
          "measurable": 94167262,
          "min_ms": 45,
          "p50_ms": 52.0,
          "p90_ms": 102.0,
          "p99_ms": 2200.0,
          "rows": 94167262,
          "unmeasurable": 0,
          "won_output_rows": 220
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1358,
            "100_200ms": 575392,
            "10_20ms": 6333264,
            "1_2ms": 0,
            "2000_5000ms": 232,
            "200_500ms": 509080,
            "20_50ms": 3041656,
            "2_5ms": 37045838,
            "5000_10000ms": 52,
            "500_1000ms": 65582,
            "50_100ms": 964552,
            "5_10ms": 54381580,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7777,
          "mean_ms": 9.43146603277274,
          "measurable": 102918586,
          "min_ms": 2,
          "p50_ms": 5.0,
          "p90_ms": 10.0,
          "p99_ms": 114.0,
          "rows": 102918586,
          "unmeasurable": 0,
          "won_output_rows": 8648
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 223676,
            "1000_2000ms": 742288,
            "100_200ms": 6086034,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 966838,
            "200_500ms": 3294578,
            "20_50ms": 76908354,
            "2_5ms": 0,
            "5000_10000ms": 687324,
            "500_1000ms": 1248540,
            "50_100ms": 12021798,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 25459,
          "mean_ms": 183.62439066258247,
          "measurable": 102179430,
          "min_ms": 33,
          "p50_ms": 42.0,
          "p90_ms": 130.0,
          "p99_ms": 4539.0,
          "rows": 102179430,
          "unmeasurable": 0,
          "won_output_rows": 102178616
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 3896,
            "1000_2000ms": 93700,
            "100_200ms": 1418856,
            "10_20ms": 66336993,
            "1_2ms": 0,
            "2000_5000ms": 41068,
            "200_500ms": 1085178,
            "20_50ms": 28727233,
            "2_5ms": 0,
            "5000_10000ms": 14926,
            "500_1000ms": 364908,
            "50_100ms": 4812494,
            "5_10ms": 0,
            "ge30000ms": 4102,
            "neg": 0
          },
          "max_ms": 49401,
          "mean_ms": 35.10833096849302,
          "measurable": 102903354,
          "min_ms": 14,
          "p50_ms": 19.0,
          "p90_ms": 40.0,
          "p99_ms": 303.0,
          "rows": 102903354,
          "unmeasurable": 0,
          "won_output_rows": 746568
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 46,
      "rows_b": 3376,
      "rows_by_domain": {
        "b": 3376,
        "c": 3556,
        "e": 3556,
        "h": 3552
      },
      "rows_c": 3556,
      "rows_e": 3556,
      "rows_h": 3552,
      "rows_joined": 3556,
      "rows_merged": 3556,
      "witness_latency": {
        "b": {
          "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": 96,
            "20_50ms": 772,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 36,
            "50_100ms": 2285,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 793,
          "mean_ms": 72.97245260663507,
          "measurable": 3376,
          "min_ms": 45,
          "p50_ms": 52.0,
          "p90_ms": 93.5,
          "p99_ms": 502.0,
          "rows": 3376,
          "unmeasurable": 0
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 16,
            "10_20ms": 246,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 20,
            "20_50ms": 149,
            "2_5ms": 1192,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 36,
            "5_10ms": 1897,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 319,
          "mean_ms": 9.515185601799775,
          "measurable": 3556,
          "min_ms": 3,
          "p50_ms": 5.0,
          "p90_ms": 12.0,
          "p99_ms": 110.84999999998672,
          "rows": 3556,
          "unmeasurable": 0
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8,
            "100_200ms": 296,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 118,
            "20_50ms": 2744,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 10,
            "50_100ms": 380,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1997,
          "mean_ms": 66.26940382452193,
          "measurable": 3556,
          "min_ms": 39,
          "p50_ms": 42.0,
          "p90_ms": 109.0,
          "p99_ms": 377.0,
          "rows": 3556,
          "unmeasurable": 0,
          "won_output_rows": 3556
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 39,
            "10_20ms": 2351,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 4,
            "20_50ms": 974,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 184,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 200,
          "mean_ms": 24.271114864864863,
          "measurable": 3552,
          "min_ms": 15,
          "p50_ms": 19.0,
          "p90_ms": 39.0,
          "p99_ms": 104.0,
          "rows": 3552,
          "unmeasurable": 0
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1208088103,
  "file": "2026-09-02T16.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-02/16",
  "hour_utc": "2026-09-02T16:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 157625987038242541,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281488635421931,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        115558203
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625987027404338,
      "min_sequence": 281488635422311,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 10270988,
      "row_groups": [
        0,
        39
      ],
      "sha256": "a129e42e02ff1cce1b13594d1b1da433f6ff0508f3f3ed422376fd3cde232fd7"
    },
    "book": {
      "byte_range": [
        115558203,
        200578737
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625987038143333,
      "min_sequence": 281488635422565,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1418346,
      "row_groups": [
        40,
        45
      ],
      "sha256": "b1d2266dc173b4b368e3075bd4d5e61bc8e11659ead165355f184266f621a289"
    },
    "last_trade_price": {
      "byte_range": [
        200578737,
        205115062
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625987026656019,
      "min_sequence": 281488635425397,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 80308,
      "row_groups": [
        46,
        46
      ],
      "sha256": "ee1a960a1f99d710413445372b553c84bf90d21f6cf42589f4fefded213e7917"
    },
    "market_resolved": {
      "byte_range": [
        205115062,
        205348149
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625986961976130,
      "min_sequence": 281488636468288,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1693,
      "row_groups": [
        47,
        47
      ],
      "sha256": "9e597298c19f4aa164efc6b942f97af622ba6b1b14af0b9012b0303315c871e5"
    },
    "new_market": {
      "byte_range": [
        205348149,
        205537151
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625987033891121,
      "min_sequence": 281488635629598,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1877,
      "row_groups": [
        48,
        48
      ],
      "sha256": "9eb36869d8ed3a7232f8bb2f75dc52e44dd86a4b59157ea6ed31d93936377b06"
    },
    "price_change": {
      "byte_range": [
        205537151,
        1206653560
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 157625987038242541,
      "min_sequence": 281488635421931,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 102934052,
      "row_groups": [
        49,
        441
      ],
      "sha256": "e4646e7f451a534096eeec653b5ed9a416bb776ca7a215044bd6a6e04db2b80f"
    },
    "tick_size_change": {
      "byte_range": [
        1206653560,
        1206781534
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281488748306004,
      "min_sequence": 281488638056524,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3556,
      "row_groups": [
        442,
        442
      ],
      "sha256": "df8a4c07d001546bae838eb785b340fdb8fc9dc42b3cc4900dec7c51b942bdc1"
    }
  },
  "row_count": 114710820,
  "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the LAST ACTIVE domain's values -- for this hour, domain e (active: b, c, h, e)",
  "sha256": "3098e0d174275003044070e800c018794b663e3f0a6febeeb38e504f8f41e077",
  "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": "2026-09-02T16.witness_stats.json",
  "witnesses": "bche",
  "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."
}
