{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 150,
      "class": "FULL",
      "exception_markets": 115,
      "rows_by_domain": {
        "c": 9080762,
        "e": 9078971,
        "f": 9078704,
        "g": 9080164,
        "h": 9080393
      },
      "rows_c": 9080762,
      "rows_e": 9078971,
      "rows_f": 9078704,
      "rows_g": 9080164,
      "rows_h": 9080393,
      "rows_joined": 9082162,
      "rows_merged": 9082012,
      "unique_by_domain": {
        "c": 310,
        "e": 10,
        "f": 18,
        "g": 14,
        "h": 156
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 664,
            "100_200ms": 32328,
            "10_20ms": 369355,
            "1_2ms": 0,
            "2000_5000ms": 179,
            "200_500ms": 23605,
            "20_50ms": 185784,
            "2_5ms": 4611357,
            "5000_10000ms": 3,
            "500_1000ms": 3908,
            "50_100ms": 62571,
            "5_10ms": 3791008,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5289,
          "mean_ms": 7.631604594416196,
          "measurable": 9080762,
          "min_ms": 2,
          "p50_ms": 4.0,
          "p90_ms": 8.0,
          "p99_ms": 67.0,
          "rows": 9080762,
          "unmeasurable": 0,
          "won_output_rows": 8806752
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 229,
            "100_200ms": 80382,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 42,
            "200_500ms": 32618,
            "20_50ms": 8672259,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4513,
            "50_100ms": 288928,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2379,
          "mean_ms": 40.11159601677327,
          "measurable": 9078971,
          "min_ms": 32,
          "p50_ms": 37.0,
          "p90_ms": 41.0,
          "p99_ms": 117.0,
          "rows": 9078971,
          "unmeasurable": 0,
          "won_output_rows": 18499
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 175,
            "100_200ms": 102871,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 42,
            "200_500ms": 40590,
            "20_50ms": 7602019,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 5735,
            "50_100ms": 1327272,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2468,
          "mean_ms": 50.15948234461659,
          "measurable": 9078704,
          "min_ms": 42,
          "p50_ms": 47.0,
          "p90_ms": 51.0,
          "p99_ms": 132.0,
          "rows": 9078704,
          "unmeasurable": 0,
          "won_output_rows": 4814
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 4,
            "1000_2000ms": 4140,
            "100_200ms": 632035,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 843,
            "200_500ms": 124027,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 436,
            "500_1000ms": 23771,
            "50_100ms": 8294908,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 10531,
          "mean_ms": 89.32614763345684,
          "measurable": 9080164,
          "min_ms": 69,
          "p50_ms": 79.0,
          "p90_ms": 99.0,
          "p99_ms": 268.0,
          "rows": 9080164,
          "unmeasurable": 0,
          "won_output_rows": 729
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 428,
            "1000_2000ms": 3275,
            "100_200ms": 35361,
            "10_20ms": 8255665,
            "1_2ms": 0,
            "2000_5000ms": 3984,
            "200_500ms": 22100,
            "20_50ms": 645785,
            "2_5ms": 0,
            "5000_10000ms": 969,
            "500_1000ms": 9046,
            "50_100ms": 103744,
            "5_10ms": 0,
            "ge30000ms": 36,
            "neg": 0
          },
          "max_ms": 42075,
          "mean_ms": 22.24769203271268,
          "measurable": 9080393,
          "min_ms": 12,
          "p50_ms": 16.0,
          "p90_ms": 19.0,
          "p99_ms": 83.0,
          "rows": 9080393,
          "unmeasurable": 0,
          "won_output_rows": 251218
        }
      }
    },
    "book": {
      "boundary_dropped": 8,
      "class": "FULL",
      "exception_markets": 173728,
      "rows_by_domain": {
        "c": 344199,
        "e": 394485,
        "f": 407128,
        "g": 127108,
        "h": 349186
      },
      "rows_c": 344199,
      "rows_e": 394485,
      "rows_f": 407128,
      "rows_g": 127108,
      "rows_h": 349186,
      "rows_joined": 763941,
      "rows_merged": 763933,
      "unique_by_domain": {
        "c": 86031,
        "e": 107768,
        "f": 116918,
        "g": 3869,
        "h": 90686
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 15582,
            "1000_2000ms": 2510,
            "100_200ms": 1384,
            "10_20ms": 10626,
            "1_2ms": 0,
            "2000_5000ms": 5707,
            "200_500ms": 1680,
            "20_50ms": 4725,
            "2_5ms": 12081,
            "5000_10000ms": 6596,
            "500_1000ms": 1663,
            "50_100ms": 2063,
            "5_10ms": 85393,
            "ge30000ms": 194189,
            "neg": 0
          },
          "max_ms": 8760665980,
          "mean_ms": 77156474.27235408,
          "measurable": 344199,
          "min_ms": 2,
          "p50_ms": 106240.0,
          "p90_ms": 49740931.60000011,
          "p99_ms": 2308087826.04,
          "rows": 344199,
          "unmeasurable": 0,
          "won_output_rows": 252153
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 18998,
            "1000_2000ms": 3257,
            "100_200ms": 6311,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 7162,
            "200_500ms": 3957,
            "20_50ms": 97442,
            "2_5ms": 0,
            "5000_10000ms": 7886,
            "500_1000ms": 2844,
            "50_100ms": 8437,
            "5_10ms": 0,
            "ge30000ms": 238191,
            "neg": 0
          },
          "max_ms": 8760419305,
          "mean_ms": 80597704.09272596,
          "measurable": 394485,
          "min_ms": 33,
          "p50_ms": 195265.0,
          "p90_ms": 57155399.40000004,
          "p99_ms": 2378807465.0,
          "rows": 394485,
          "unmeasurable": 0,
          "won_output_rows": 175731
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 20088,
            "1000_2000ms": 3448,
            "100_200ms": 6650,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 7498,
            "200_500ms": 3828,
            "20_50ms": 64948,
            "2_5ms": 0,
            "5000_10000ms": 8242,
            "500_1000ms": 2517,
            "50_100ms": 41311,
            "5_10ms": 0,
            "ge30000ms": 248598,
            "neg": 0
          },
          "max_ms": 8761041091,
          "mean_ms": 82941410.4303536,
          "measurable": 407128,
          "min_ms": 43,
          "p50_ms": 219847.0,
          "p90_ms": 59477313.0,
          "p99_ms": 2379390039.8199997,
          "rows": 407128,
          "unmeasurable": 0,
          "won_output_rows": 187755
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 692,
            "1000_2000ms": 507,
            "100_200ms": 13752,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 833,
            "200_500ms": 6775,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 384,
            "500_1000ms": 1024,
            "50_100ms": 94141,
            "5_10ms": 0,
            "ge30000ms": 9000,
            "neg": 0
          },
          "max_ms": 7161760244,
          "mean_ms": 10633499.63419297,
          "measurable": 127108,
          "min_ms": 70,
          "p50_ms": 86.0,
          "p90_ms": 437.3000000000029,
          "p99_ms": 71572793.20999962,
          "rows": 127108,
          "unmeasurable": 0,
          "won_output_rows": 7263
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 15636,
            "1000_2000ms": 2630,
            "100_200ms": 2749,
            "10_20ms": 73008,
            "1_2ms": 0,
            "2000_5000ms": 5999,
            "200_500ms": 2232,
            "20_50ms": 34706,
            "2_5ms": 0,
            "5000_10000ms": 6476,
            "500_1000ms": 1744,
            "50_100ms": 4804,
            "5_10ms": 0,
            "ge30000ms": 199202,
            "neg": 0
          },
          "max_ms": 8760811487,
          "mean_ms": 77084669.28386877,
          "measurable": 349186,
          "min_ms": 13,
          "p50_ms": 117412.0,
          "p90_ms": 47562506.0,
          "p99_ms": 2306343906.550001,
          "rows": 349186,
          "unmeasurable": 0,
          "won_output_rows": 141031
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 1,
      "class": "FULL",
      "exception_markets": 1,
      "rows_by_domain": {
        "c": 56628,
        "e": 56557,
        "f": 56561,
        "g": 56609,
        "h": 56622
      },
      "rows_c": 56628,
      "rows_e": 56557,
      "rows_f": 56561,
      "rows_g": 56609,
      "rows_h": 56622,
      "rows_joined": 56669,
      "rows_merged": 56668,
      "unique_by_domain": {
        "c": 1,
        "e": 2,
        "f": 1,
        "g": 2,
        "h": 3
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 24,
            "100_200ms": 907,
            "10_20ms": 15214,
            "1_2ms": 0,
            "2000_5000ms": 44,
            "200_500ms": 389,
            "20_50ms": 9361,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 82,
            "50_100ms": 2152,
            "5_10ms": 28455,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4991,
          "mean_ms": 23.278819665183303,
          "measurable": 56628,
          "min_ms": 5,
          "p50_ms": 9.0,
          "p90_ms": 36.0,
          "p99_ms": 194.0,
          "rows": 56628,
          "unmeasurable": 0,
          "won_output_rows": 54371
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 92,
            "100_200ms": 2955,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 59,
            "200_500ms": 1552,
            "20_50ms": 38585,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 469,
            "50_100ms": 12842,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5023,
          "mean_ms": 69.72891065650583,
          "measurable": 56557,
          "min_ms": 35,
          "p50_ms": 43.0,
          "p90_ms": 93.0,
          "p99_ms": 527.0,
          "rows": 56557,
          "unmeasurable": 0,
          "won_output_rows": 172
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 29,
            "100_200ms": 3705,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 56,
            "200_500ms": 1411,
            "20_50ms": 11497,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 253,
            "50_100ms": 39607,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5035,
          "mean_ms": 74.31159279362105,
          "measurable": 56561,
          "min_ms": 45,
          "p50_ms": 53.0,
          "p90_ms": 98.0,
          "p99_ms": 387.0,
          "rows": 56561,
          "unmeasurable": 0,
          "won_output_rows": 106
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 185,
            "100_200ms": 17456,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 100,
            "200_500ms": 3064,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 41,
            "500_1000ms": 536,
            "50_100ms": 35227,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 8113,
          "mean_ms": 128.46630394460246,
          "measurable": 56609,
          "min_ms": 72,
          "p50_ms": 91.0,
          "p90_ms": 168.0,
          "p99_ms": 650.9199999999983,
          "rows": 56609,
          "unmeasurable": 0,
          "won_output_rows": 13
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 45,
            "100_200ms": 1486,
            "10_20ms": 20420,
            "1_2ms": 0,
            "2000_5000ms": 104,
            "200_500ms": 674,
            "20_50ms": 29845,
            "2_5ms": 0,
            "5000_10000ms": 7,
            "500_1000ms": 135,
            "50_100ms": 3906,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6959,
          "mean_ms": 41.51185051746671,
          "measurable": 56622,
          "min_ms": 15,
          "p50_ms": 20.0,
          "p90_ms": 53.0,
          "p99_ms": 286.7900000000009,
          "rows": 56622,
          "unmeasurable": 0,
          "won_output_rows": 2006
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 0,
      "rows_by_domain": {
        "c": 520,
        "e": 520,
        "f": 520,
        "g": 520,
        "h": 520
      },
      "rows_c": 520,
      "rows_e": 520,
      "rows_f": 520,
      "rows_g": 520,
      "rows_h": 520,
      "rows_joined": 520,
      "rows_merged": 520,
      "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": 3,
            "10_20ms": 36,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1,
            "20_50ms": 10,
            "2_5ms": 257,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 6,
            "5_10ms": 199,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 79425,
          "mean_ms": 1054.575,
          "measurable": 520,
          "min_ms": 3,
          "p50_ms": 5.0,
          "p90_ms": 11.0,
          "p99_ms": 49643.05,
          "rows": 520,
          "unmeasurable": 0,
          "won_output_rows": 490
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 88,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 25,
            "20_50ms": 383,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 2,
            "50_100ms": 14,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 76367,
          "mean_ms": 1069.3365384615386,
          "measurable": 520,
          "min_ms": 33,
          "p50_ms": 38.0,
          "p90_ms": 187.10000000000002,
          "p99_ms": 46257.05,
          "rows": 520,
          "unmeasurable": 0,
          "won_output_rows": 8
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 75,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 42,
            "20_50ms": 332,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 3,
            "50_100ms": 60,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 76377,
          "mean_ms": 1079.0307692307692,
          "measurable": 520,
          "min_ms": 43,
          "p50_ms": 48.0,
          "p90_ms": 200.10000000000002,
          "p99_ms": 46268.05,
          "rows": 520,
          "unmeasurable": 0
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 16,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 97,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 13,
            "50_100ms": 386,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 83032,
          "mean_ms": 1234.7230769230769,
          "measurable": 520,
          "min_ms": 70,
          "p50_ms": 83.0,
          "p90_ms": 342.20000000000005,
          "p99_ms": 52946.05,
          "rows": 520,
          "unmeasurable": 0
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1,
            "100_200ms": 29,
            "10_20ms": 363,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 2,
            "20_50ms": 58,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 59,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 89205,
          "mean_ms": 1229.8865384615385,
          "measurable": 520,
          "min_ms": 13,
          "p50_ms": 16.0,
          "p90_ms": 84.10000000000002,
          "p99_ms": 59367.049999999996,
          "rows": 520,
          "unmeasurable": 0,
          "won_output_rows": 22
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 0,
      "rows_by_domain": {
        "c": 487,
        "e": 487,
        "f": 487,
        "g": 487,
        "h": 487
      },
      "rows_c": 487,
      "rows_e": 487,
      "rows_f": 487,
      "rows_g": 487,
      "rows_h": 487,
      "rows_joined": 657,
      "rows_merged": 657,
      "unique_by_domain": {
        "c": 17,
        "e": 5,
        "f": 14,
        "g": 16,
        "h": 18
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 41,
            "1000_2000ms": 0,
            "100_200ms": 54,
            "10_20ms": 39,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 107,
            "20_50ms": 113,
            "2_5ms": 0,
            "5000_10000ms": 3,
            "500_1000ms": 16,
            "50_100ms": 103,
            "5_10ms": 7,
            "ge30000ms": 4,
            "neg": 0
          },
          "max_ms": 64409,
          "mean_ms": 2027.993839835729,
          "measurable": 487,
          "min_ms": 8,
          "p50_ms": 88.0,
          "p90_ms": 641.0,
          "p99_ms": 26269.879999999983,
          "rows": 487,
          "unmeasurable": 0,
          "won_output_rows": 211
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 31,
            "1000_2000ms": 0,
            "100_200ms": 156,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 102,
            "20_50ms": 133,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 0,
            "50_100ms": 58,
            "5_10ms": 0,
            "ge30000ms": 6,
            "neg": 0
          },
          "max_ms": 66067,
          "mean_ms": 1833.3716632443532,
          "measurable": 487,
          "min_ms": 37,
          "p50_ms": 157.0,
          "p90_ms": 383.60000000000014,
          "p99_ms": 31827.059999999983,
          "rows": 487,
          "unmeasurable": 0,
          "won_output_rows": 123
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 61,
            "1000_2000ms": 0,
            "100_200ms": 92,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 129,
            "20_50ms": 9,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 24,
            "50_100ms": 171,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 62585,
          "mean_ms": 2459.722792607803,
          "measurable": 487,
          "min_ms": 46,
          "p50_ms": 180.0,
          "p90_ms": 13217.800000000007,
          "p99_ms": 21210.219999999998,
          "rows": 487,
          "unmeasurable": 0,
          "won_output_rows": 43
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 64,
            "1000_2000ms": 5,
            "100_200ms": 26,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 153,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 79,
            "50_100ms": 155,
            "5_10ms": 0,
            "ge30000ms": 5,
            "neg": 0
          },
          "max_ms": 72660,
          "mean_ms": 3206.6960985626283,
          "measurable": 487,
          "min_ms": 72,
          "p50_ms": 311.0,
          "p90_ms": 17879.800000000007,
          "p99_ms": 29658.63999999997,
          "rows": 487,
          "unmeasurable": 0,
          "won_output_rows": 60
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 80,
            "1000_2000ms": 0,
            "100_200ms": 80,
            "10_20ms": 40,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 93,
            "20_50ms": 129,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 5,
            "50_100ms": 50,
            "5_10ms": 0,
            "ge30000ms": 10,
            "neg": 0
          },
          "max_ms": 76937,
          "mean_ms": 4205.024640657084,
          "measurable": 487,
          "min_ms": 16,
          "p50_ms": 120.0,
          "p90_ms": 19317.800000000003,
          "p99_ms": 53434.37999999994,
          "rows": 487,
          "unmeasurable": 0,
          "won_output_rows": 220
        }
      }
    },
    "price_change": {
      "boundary_dropped": 3120,
      "class": "FULL",
      "exception_markets": 258,
      "rows_by_domain": {
        "c": 83115409,
        "e": 83072615,
        "f": 83054127,
        "g": 83080978,
        "h": 83112706
      },
      "rows_c": 83115409,
      "rows_e": 83072615,
      "rows_f": 83054127,
      "rows_g": 83080978,
      "rows_h": 83112706,
      "rows_joined": 83143794,
      "rows_merged": 83140674,
      "unique_by_domain": {
        "c": 2786,
        "e": 1954,
        "f": 1970,
        "g": 490,
        "h": 1370
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 7422,
            "100_200ms": 329284,
            "10_20ms": 3912846,
            "1_2ms": 0,
            "2000_5000ms": 1652,
            "200_500ms": 231716,
            "20_50ms": 1920931,
            "2_5ms": 37469645,
            "5000_10000ms": 26,
            "500_1000ms": 38558,
            "50_100ms": 638316,
            "5_10ms": 38565013,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5512,
          "mean_ms": 8.077080388306818,
          "measurable": 83115409,
          "min_ms": 2,
          "p50_ms": 5.0,
          "p90_ms": 9.0,
          "p99_ms": 74.0,
          "rows": 83115409,
          "unmeasurable": 0,
          "won_output_rows": 80482866
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 48504,
            "100_200ms": 1112537,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 10908,
            "200_500ms": 478094,
            "20_50ms": 77761474,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 112408,
            "50_100ms": 3548690,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3671,
          "mean_ms": 43.31608200849341,
          "measurable": 83072615,
          "min_ms": 32,
          "p50_ms": 37.0,
          "p90_ms": 42.0,
          "p99_ms": 167.0,
          "rows": 83072615,
          "unmeasurable": 0,
          "won_output_rows": 180276
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 17998,
            "100_200ms": 1353726,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 8340,
            "200_500ms": 514422,
            "20_50ms": 66616472,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 97788,
            "50_100ms": 14445381,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4839,
          "mean_ms": 52.46358489807496,
          "measurable": 83054127,
          "min_ms": 42,
          "p50_ms": 47.0,
          "p90_ms": 53.0,
          "p99_ms": 168.0,
          "rows": 83054127,
          "unmeasurable": 0,
          "won_output_rows": 54434
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1830,
            "1000_2000ms": 79692,
            "100_200ms": 6657116,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 33320,
            "200_500ms": 1569952,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 14014,
            "500_1000ms": 315724,
            "50_100ms": 74409330,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 11538,
          "mean_ms": 94.70911218690757,
          "measurable": 83080978,
          "min_ms": 69,
          "p50_ms": 80.0,
          "p90_ms": 100.0,
          "p99_ms": 340.0,
          "rows": 83080978,
          "unmeasurable": 0,
          "won_output_rows": 6910
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1472,
            "1000_2000ms": 34310,
            "100_200ms": 427332,
            "10_20ms": 73873782,
            "1_2ms": 0,
            "2000_5000ms": 41342,
            "200_500ms": 246220,
            "20_50ms": 7182106,
            "2_5ms": 0,
            "5000_10000ms": 8398,
            "500_1000ms": 98930,
            "50_100ms": 1198518,
            "5_10ms": 0,
            "ge30000ms": 296,
            "neg": 0
          },
          "max_ms": 42114,
          "mean_ms": 22.809347321695913,
          "measurable": 83112706,
          "min_ms": 12,
          "p50_ms": 16.0,
          "p90_ms": 20.0,
          "p99_ms": 103.0,
          "rows": 83112706,
          "unmeasurable": 0,
          "won_output_rows": 2416188
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 0,
      "rows_by_domain": {
        "c": 1720,
        "e": 1720,
        "f": 1720,
        "g": 1720,
        "h": 1720
      },
      "rows_c": 1720,
      "rows_e": 1720,
      "rows_f": 1720,
      "rows_g": 1720,
      "rows_h": 1720,
      "rows_joined": 1720,
      "rows_merged": 1720,
      "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": 0,
            "10_20ms": 36,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 20,
            "2_5ms": 810,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 0,
            "5_10ms": 854,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 39,
          "mean_ms": 5.22906976744186,
          "measurable": 1720,
          "min_ms": 3,
          "p50_ms": 5.0,
          "p90_ms": 7.0,
          "p99_ms": 20.0,
          "rows": 1720,
          "unmeasurable": 0,
          "won_output_rows": 1690
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1696,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 20,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 104,
          "mean_ms": 37.640116279069765,
          "measurable": 1720,
          "min_ms": 33,
          "p50_ms": 37.0,
          "p90_ms": 40.0,
          "p99_ms": 53.61999999999989,
          "rows": 1720,
          "unmeasurable": 0
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 34,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 1441,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 245,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 134,
          "mean_ms": 48.746511627906976,
          "measurable": 1720,
          "min_ms": 43,
          "p50_ms": 47.0,
          "p90_ms": 50.0,
          "p99_ms": 112.0,
          "rows": 1720,
          "unmeasurable": 0
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 43,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 4,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 1673,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 223,
          "mean_ms": 81.52732558139535,
          "measurable": 1720,
          "min_ms": 70,
          "p50_ms": 79.0,
          "p90_ms": 93.0,
          "p99_ms": 115.0,
          "rows": 1720,
          "unmeasurable": 0
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 0,
            "10_20ms": 1579,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 89,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 52,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 75,
          "mean_ms": 17.64767441860465,
          "measurable": 1720,
          "min_ms": 13,
          "p50_ms": 16.0,
          "p90_ms": 18.0,
          "p99_ms": 65.0,
          "rows": 1720,
          "unmeasurable": 0,
          "won_output_rows": 30
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 955605709,
  "file": "2026-09-08T07.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-08/07",
  "hour_utc": "2026-09-08T07:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 53761726111448856,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 562957632228628,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        98089401
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726111438931,
      "min_sequence": 562957632229860,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 9082012,
      "row_groups": [
        0,
        34
      ],
      "sha256": "3d8f209d75cac87e927da5e17ee1e6f4d3b01b0340b78d54d23e3cd6450af862"
    },
    "book": {
      "byte_range": [
        98089401,
        163788107
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726111368211,
      "min_sequence": 562957632613544,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 763933,
      "row_groups": [
        35,
        37
      ],
      "sha256": "96d0fb78aee240b32e7e513f65f99378d252039ae416b079cda311e498780a98"
    },
    "last_trade_price": {
      "byte_range": [
        163788107,
        166958680
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726111034395,
      "min_sequence": 562957632697507,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 56668,
      "row_groups": [
        38,
        38
      ],
      "sha256": "3f6ccf5ffa0d06a51c2ae10df14723f6a79771aaaa0e5b03d74d2ba265372701"
    },
    "market_resolved": {
      "byte_range": [
        166958680,
        167045327
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726097407131,
      "min_sequence": 562957667836931,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 520,
      "row_groups": [
        39,
        39
      ],
      "sha256": "670402e3468048880f970dc12a17fc40e7cfd59b00687bca4498610b5610449b"
    },
    "new_market": {
      "byte_range": [
        167045327,
        167120031
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726108811776,
      "min_sequence": 562957632842405,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 657,
      "row_groups": [
        40,
        40
      ],
      "sha256": "b3cb557759a048953dee096637b8f8fec3edf3a2af9ebf76671132776ae06c6a"
    },
    "price_change": {
      "byte_range": [
        167120031,
        954480669
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726111448856,
      "min_sequence": 562957632228628,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 83140674,
      "row_groups": [
        41,
        358
      ],
      "sha256": "e69a5508b163204d55bde0ad45205098fcdf841dbdc87f4774d1ebb446fd3d05"
    },
    "tick_size_change": {
      "byte_range": [
        954480669,
        954543089
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 53761726091125143,
      "min_sequence": 27303073354988792,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1720,
      "row_groups": [
        359,
        359
      ],
      "sha256": "151cab5210a1ee231feeb20c9e1af7ef230ea993fec9a965e9486090324485c8"
    }
  },
  "row_count": 93046184,
  "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": "2562c0a66fd8183df8873906cc3903f33a2c91469b387e4e737dc1cd962e5b8c",
  "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": "2026-09-08T07.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."
}
