{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 284,
      "class": "FULL",
      "exception_markets": 25905,
      "rows_by_domain": {
        "c": 5029109,
        "e": 13517757,
        "f": 12369882,
        "g": 12361167,
        "h": 13518339
      },
      "rows_c": 5029109,
      "rows_e": 13517757,
      "rows_f": 12369882,
      "rows_g": 12361167,
      "rows_h": 13518339,
      "rows_joined": 13519698,
      "rows_merged": 13519414,
      "unique_by_domain": {
        "c": 301,
        "e": 300,
        "f": 134,
        "g": 240,
        "h": 564
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 186,
            "100_200ms": 27908,
            "10_20ms": 719096,
            "1_2ms": 0,
            "2000_5000ms": 28,
            "200_500ms": 16554,
            "20_50ms": 194532,
            "2_5ms": 1104479,
            "5000_10000ms": 0,
            "500_1000ms": 2583,
            "50_100ms": 51665,
            "5_10ms": 2912078,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 3902,
          "mean_ms": 10.273146396309963,
          "measurable": 5029109,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 14.0,
          "p99_ms": 94.0,
          "rows": 5029109,
          "unmeasurable": 0,
          "won_output_rows": 4812989
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1857,
            "100_200ms": 184459,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1121,
            "200_500ms": 93622,
            "20_50ms": 12391087,
            "2_5ms": 0,
            "5000_10000ms": 109,
            "500_1000ms": 11897,
            "50_100ms": 833605,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5352,
          "mean_ms": 46.1349207564539,
          "measurable": 13517757,
          "min_ms": 34,
          "p50_ms": 41.0,
          "p90_ms": 47.0,
          "p99_ms": 173.0,
          "rows": 13517757,
          "unmeasurable": 0,
          "won_output_rows": 657728
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1504,
            "100_200ms": 231093,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1468,
            "200_500ms": 103267,
            "20_50ms": 9920087,
            "2_5ms": 0,
            "5000_10000ms": 6,
            "500_1000ms": 13508,
            "50_100ms": 2098949,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 9575,
          "mean_ms": 53.055638606738526,
          "measurable": 12369882,
          "min_ms": 40,
          "p50_ms": 47.0,
          "p90_ms": 55.0,
          "p99_ms": 195.0,
          "rows": 12369882,
          "unmeasurable": 0,
          "won_output_rows": 76913
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1224,
            "1000_2000ms": 8114,
            "100_200ms": 657343,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 3401,
            "200_500ms": 231888,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 902,
            "500_1000ms": 48210,
            "50_100ms": 11410085,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 19132,
          "mean_ms": 91.67034851968265,
          "measurable": 12361167,
          "min_ms": 69,
          "p50_ms": 77.0,
          "p90_ms": 93.0,
          "p99_ms": 345.0,
          "rows": 12361167,
          "unmeasurable": 0,
          "won_output_rows": 6441
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 603,
            "1000_2000ms": 8439,
            "100_200ms": 101798,
            "10_20ms": 9179722,
            "1_2ms": 0,
            "2000_5000ms": 9213,
            "200_500ms": 68471,
            "20_50ms": 3380216,
            "2_5ms": 0,
            "5000_10000ms": 2367,
            "500_1000ms": 26286,
            "50_100ms": 741149,
            "5_10ms": 0,
            "ge30000ms": 75,
            "neg": 0
          },
          "max_ms": 34700,
          "mean_ms": 31.163533848352227,
          "measurable": 13518339,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 39.0,
          "p99_ms": 166.0,
          "rows": 13518339,
          "unmeasurable": 0,
          "won_output_rows": 7965343
        }
      }
    },
    "book": {
      "boundary_dropped": 15918,
      "class": "FULL",
      "exception_markets": 198039,
      "rows_by_domain": {
        "c": 5349569,
        "e": 140228,
        "f": 925026,
        "g": 945986,
        "h": 141424
      },
      "rows_c": 5349569,
      "rows_e": 140228,
      "rows_f": 925026,
      "rows_g": 945986,
      "rows_h": 141424,
      "rows_joined": 5654403,
      "rows_merged": 5638485,
      "unique_by_domain": {
        "c": 4478867,
        "e": 346,
        "f": 104272,
        "g": 79069,
        "h": 567
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 436161,
            "1000_2000ms": 64881,
            "100_200ms": 13369,
            "10_20ms": 13219,
            "1_2ms": 0,
            "2000_5000ms": 143954,
            "200_500ms": 31435,
            "20_50ms": 9875,
            "2_5ms": 1764,
            "5000_10000ms": 177324,
            "500_1000ms": 42215,
            "50_100ms": 9826,
            "5_10ms": 27903,
            "ge30000ms": 4377643,
            "neg": 0
          },
          "max_ms": 9146240596,
          "mean_ms": 114911217.61919418,
          "measurable": 5349569,
          "min_ms": 3,
          "p50_ms": 733423.0,
          "p90_ms": 89344614.0,
          "p99_ms": 2765639480.28,
          "rows": 5349569,
          "unmeasurable": 0,
          "won_output_rows": 5215379
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 54,
            "1000_2000ms": 1215,
            "100_200ms": 9238,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1243,
            "200_500ms": 4383,
            "20_50ms": 104762,
            "2_5ms": 0,
            "5000_10000ms": 102,
            "500_1000ms": 1433,
            "50_100ms": 17162,
            "5_10ms": 0,
            "ge30000ms": 636,
            "neg": 0
          },
          "max_ms": 2762804036,
          "mean_ms": 389294.1275137633,
          "measurable": 140228,
          "min_ms": 35,
          "p50_ms": 43.0,
          "p90_ms": 125.0,
          "p99_ms": 2919.0,
          "rows": 140228,
          "unmeasurable": 0,
          "won_output_rows": 12109
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 64380,
            "1000_2000ms": 11177,
            "100_200ms": 8433,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 23235,
            "200_500ms": 8896,
            "20_50ms": 70033,
            "2_5ms": 0,
            "5000_10000ms": 26225,
            "500_1000ms": 8566,
            "50_100ms": 38407,
            "5_10ms": 0,
            "ge30000ms": 665674,
            "neg": 0
          },
          "max_ms": 9145797140,
          "mean_ms": 99856254.67338108,
          "measurable": 925026,
          "min_ms": 41,
          "p50_ms": 347566.0,
          "p90_ms": 88464294.0,
          "p99_ms": 2692804685.0,
          "rows": 925026,
          "unmeasurable": 0,
          "won_output_rows": 118445
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 66591,
            "1000_2000ms": 13002,
            "100_200ms": 12355,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 24974,
            "200_500ms": 10323,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 27679,
            "500_1000ms": 11299,
            "50_100ms": 95531,
            "5_10ms": 0,
            "ge30000ms": 684232,
            "neg": 0
          },
          "max_ms": 9145504967,
          "mean_ms": 100005073.47282307,
          "measurable": 945986,
          "min_ms": 69,
          "p50_ms": 269657.0,
          "p90_ms": 88456436.0,
          "p99_ms": 2692527460.2999997,
          "rows": 945986,
          "unmeasurable": 0,
          "won_output_rows": 211786
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 158,
            "1000_2000ms": 516,
            "100_200ms": 3322,
            "10_20ms": 25655,
            "1_2ms": 0,
            "2000_5000ms": 584,
            "200_500ms": 2297,
            "20_50ms": 89958,
            "2_5ms": 0,
            "5000_10000ms": 84,
            "500_1000ms": 707,
            "50_100ms": 16553,
            "5_10ms": 0,
            "ge30000ms": 1590,
            "neg": 0
          },
          "max_ms": 7544306260,
          "mean_ms": 1437938.2885153864,
          "measurable": 141424,
          "min_ms": 15,
          "p50_ms": 23.0,
          "p90_ms": 75.0,
          "p99_ms": 85704.0,
          "rows": 141424,
          "unmeasurable": 0,
          "won_output_rows": 80766
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 1,
      "class": "FULL",
      "exception_markets": 2206,
      "rows_by_domain": {
        "c": 22832,
        "e": 66195,
        "f": 59163,
        "g": 59223,
        "h": 66209
      },
      "rows_c": 22832,
      "rows_e": 66195,
      "rows_f": 59163,
      "rows_g": 59223,
      "rows_h": 66209,
      "rows_joined": 66278,
      "rows_merged": 66277,
      "unique_by_domain": {
        "c": 2,
        "e": 21,
        "f": 6,
        "g": 5,
        "h": 22
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 6,
            "100_200ms": 636,
            "10_20ms": 9487,
            "1_2ms": 0,
            "2000_5000ms": 22,
            "200_500ms": 216,
            "20_50ms": 4594,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 27,
            "50_100ms": 1285,
            "5_10ms": 6559,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4947,
          "mean_ms": 28.272030483531886,
          "measurable": 22832,
          "min_ms": 5,
          "p50_ms": 12.0,
          "p90_ms": 48.0,
          "p99_ms": 214.0,
          "rows": 22832,
          "unmeasurable": 0,
          "won_output_rows": 21696
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 440,
            "100_200ms": 5564,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 390,
            "200_500ms": 2280,
            "20_50ms": 35414,
            "2_5ms": 0,
            "5000_10000ms": 34,
            "500_1000ms": 671,
            "50_100ms": 21402,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5411,
          "mean_ms": 106.64515446786011,
          "measurable": 66195,
          "min_ms": 38,
          "p50_ms": 48.0,
          "p90_ms": 128.59999999999854,
          "p99_ms": 1356.2399999999907,
          "rows": 66195,
          "unmeasurable": 0,
          "won_output_rows": 3684
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 347,
            "100_200ms": 6372,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 498,
            "200_500ms": 2079,
            "20_50ms": 11305,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 658,
            "50_100ms": 37903,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5029,
          "mean_ms": 115.76882511028853,
          "measurable": 59163,
          "min_ms": 43,
          "p50_ms": 54.0,
          "p90_ms": 134.0,
          "p99_ms": 1663.1399999999921,
          "rows": 59163,
          "unmeasurable": 0,
          "won_output_rows": 629
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 298,
            "1000_2000ms": 612,
            "100_200ms": 13484,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 663,
            "200_500ms": 5373,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 277,
            "500_1000ms": 1241,
            "50_100ms": 37275,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 19140,
          "mean_ms": 284.5192408354862,
          "measurable": 59223,
          "min_ms": 72,
          "p50_ms": 92.0,
          "p90_ms": 254.0,
          "p99_ms": 4855.679999999993,
          "rows": 59223,
          "unmeasurable": 0,
          "won_output_rows": 65
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 6,
            "1000_2000ms": 84,
            "100_200ms": 2744,
            "10_20ms": 2693,
            "1_2ms": 0,
            "2000_5000ms": 85,
            "200_500ms": 1206,
            "20_50ms": 50041,
            "2_5ms": 0,
            "5000_10000ms": 17,
            "500_1000ms": 311,
            "50_100ms": 9021,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 32614,
          "mean_ms": 54.49318068540531,
          "measurable": 66209,
          "min_ms": 17,
          "p50_ms": 26.0,
          "p90_ms": 76.0,
          "p99_ms": 400.8399999999965,
          "rows": 66209,
          "unmeasurable": 0,
          "won_output_rows": 40203
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 1558,
      "rows_by_domain": {
        "c": 3114,
        "e": 3861,
        "f": 3876,
        "g": 3799,
        "h": 3861
      },
      "rows_c": 3114,
      "rows_e": 3861,
      "rows_f": 3876,
      "rows_g": 3799,
      "rows_h": 3861,
      "rows_joined": 5847,
      "rows_merged": 5847,
      "unique_by_domain": {
        "c": 1602,
        "e": 2,
        "f": 149,
        "g": 146,
        "h": 2
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 7,
            "10_20ms": 217,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 6,
            "20_50ms": 52,
            "2_5ms": 377,
            "5000_10000ms": 0,
            "500_1000ms": 3,
            "50_100ms": 22,
            "5_10ms": 1091,
            "ge30000ms": 1339,
            "neg": 0
          },
          "max_ms": 1466321,
          "mean_ms": 344452.43256262044,
          "measurable": 3114,
          "min_ms": 3,
          "p50_ms": 11.0,
          "p90_ms": 1165432.0,
          "p99_ms": 1437321.0,
          "rows": 3114,
          "unmeasurable": 0,
          "won_output_rows": 3077
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 1553,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 234,
            "20_50ms": 1663,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 23,
            "50_100ms": 388,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 861,
          "mean_ms": 94.68376068376068,
          "measurable": 3861,
          "min_ms": 36,
          "p50_ms": 87.0,
          "p90_ms": 178.0,
          "p99_ms": 390.80000000000246,
          "rows": 3861,
          "unmeasurable": 0,
          "won_output_rows": 119
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 1481,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 252,
            "20_50ms": 1417,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 19,
            "50_100ms": 498,
            "5_10ms": 0,
            "ge30000ms": 209,
            "neg": 0
          },
          "max_ms": 372060,
          "mean_ms": 14987.982198142416,
          "measurable": 3876,
          "min_ms": 41,
          "p50_ms": 101.0,
          "p90_ms": 208.0,
          "p99_ms": 341725.0,
          "rows": 3876,
          "unmeasurable": 0,
          "won_output_rows": 194
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 7,
            "100_200ms": 420,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 1346,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 54,
            "50_100ms": 1780,
            "5_10ms": 0,
            "ge30000ms": 192,
            "neg": 0
          },
          "max_ms": 319405,
          "mean_ms": 13085.486707028165,
          "measurable": 3799,
          "min_ms": 69,
          "p50_ms": 128.0,
          "p90_ms": 357.2000000000003,
          "p99_ms": 301405.0,
          "rows": 3799,
          "unmeasurable": 0,
          "won_output_rows": 209
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 1,
            "100_200ms": 110,
            "10_20ms": 1129,
            "1_2ms": 0,
            "2000_5000ms": 5,
            "200_500ms": 28,
            "20_50ms": 1757,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 12,
            "50_100ms": 808,
            "5_10ms": 0,
            "ge30000ms": 10,
            "neg": 0
          },
          "max_ms": 60980,
          "mean_ms": 182.4027454027454,
          "measurable": 3861,
          "min_ms": 15,
          "p50_ms": 35.0,
          "p90_ms": 73.0,
          "p99_ms": 337.4000000000001,
          "rows": 3861,
          "unmeasurable": 0,
          "won_output_rows": 2248
        }
      }
    },
    "new_market": {
      "boundary_dropped": 100,
      "class": "FULL",
      "exception_markets": 2008,
      "rows_by_domain": {
        "c": 28899,
        "e": 885,
        "f": 887,
        "g": 860,
        "h": 885
      },
      "rows_c": 28899,
      "rows_e": 885,
      "rows_f": 887,
      "rows_g": 860,
      "rows_h": 885,
      "rows_joined": 28995,
      "rows_merged": 28895,
      "unique_by_domain": {
        "c": 27596,
        "e": 2,
        "f": 0,
        "g": 1,
        "h": 4
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 109,
            "10_20ms": 126,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 78,
            "20_50ms": 288,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 15,
            "50_100ms": 172,
            "5_10ms": 21,
            "ge30000ms": 28090,
            "neg": 0
          },
          "max_ms": 7726493,
          "mean_ms": 3620428.02135022,
          "measurable": 28899,
          "min_ms": 7,
          "p50_ms": 3610503.0,
          "p90_ms": 6440192.800000001,
          "p99_ms": 7412418.84,
          "rows": 28899,
          "unmeasurable": 0,
          "won_output_rows": 28236
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 168,
            "1000_2000ms": 0,
            "100_200ms": 235,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 228,
            "20_50ms": 55,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 6,
            "50_100ms": 191,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 449063,
          "mean_ms": 4511.447457627119,
          "measurable": 885,
          "min_ms": 42,
          "p50_ms": 186.0,
          "p90_ms": 20509.0,
          "p99_ms": 26208.559999999983,
          "rows": 885,
          "unmeasurable": 0,
          "won_output_rows": 181
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 88,
            "1000_2000ms": 0,
            "100_200ms": 204,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 329,
            "20_50ms": 13,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 33,
            "50_100ms": 208,
            "5_10ms": 0,
            "ge30000ms": 12,
            "neg": 0
          },
          "max_ms": 1618650,
          "mean_ms": 8417.014656144307,
          "measurable": 887,
          "min_ms": 44,
          "p50_ms": 211.0,
          "p90_ms": 13714.199999999997,
          "p99_ms": 306618.61999999994,
          "rows": 887,
          "unmeasurable": 0,
          "won_output_rows": 105
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 138,
            "1000_2000ms": 4,
            "100_200ms": 103,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 347,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 67,
            "50_100ms": 193,
            "5_10ms": 0,
            "ge30000ms": 8,
            "neg": 0
          },
          "max_ms": 559532,
          "mean_ms": 4274.963953488372,
          "measurable": 860,
          "min_ms": 73,
          "p50_ms": 278.5,
          "p90_ms": 17237.7,
          "p99_ms": 26203.989999999998,
          "rows": 860,
          "unmeasurable": 0,
          "won_output_rows": 90
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 152,
            "1000_2000ms": 0,
            "100_200ms": 255,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 176,
            "20_50ms": 151,
            "2_5ms": 0,
            "5000_10000ms": 1,
            "500_1000ms": 6,
            "50_100ms": 132,
            "5_10ms": 0,
            "ge30000ms": 12,
            "neg": 0
          },
          "max_ms": 521284,
          "mean_ms": 4996.074576271187,
          "measurable": 885,
          "min_ms": 20,
          "p50_ms": 164.0,
          "p90_ms": 19807.600000000006,
          "p99_ms": 31763.119999999995,
          "rows": 885,
          "unmeasurable": 0,
          "won_output_rows": 283
        }
      }
    },
    "price_change": {
      "boundary_dropped": 3320,
      "class": "FULL",
      "exception_markets": 27165,
      "rows_by_domain": {
        "c": 43379478,
        "e": 118907232,
        "f": 108873633,
        "g": 108813555,
        "h": 118914086
      },
      "rows_c": 43379478,
      "rows_e": 118907232,
      "rows_f": 108873633,
      "rows_g": 108813555,
      "rows_h": 118914086,
      "rows_joined": 118929166,
      "rows_merged": 118925846,
      "unique_by_domain": {
        "c": 1614,
        "e": 1094,
        "f": 400,
        "g": 579,
        "h": 4110
      },
      "witness_latency": {
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 2104,
            "100_200ms": 280634,
            "10_20ms": 6559086,
            "1_2ms": 0,
            "2000_5000ms": 512,
            "200_500ms": 160528,
            "20_50ms": 1836182,
            "2_5ms": 8374104,
            "5000_10000ms": 0,
            "500_1000ms": 22634,
            "50_100ms": 526682,
            "5_10ms": 25617012,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4540,
          "mean_ms": 10.878953453520118,
          "measurable": 43379478,
          "min_ms": 2,
          "p50_ms": 6.0,
          "p90_ms": 15.0,
          "p99_ms": 106.0,
          "rows": 43379478,
          "unmeasurable": 0,
          "won_output_rows": 41463582
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 121768,
            "100_200ms": 2293116,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 63056,
            "200_500ms": 1126372,
            "20_50ms": 106433207,
            "2_5ms": 0,
            "5000_10000ms": 1744,
            "500_1000ms": 249169,
            "50_100ms": 8618800,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5384,
          "mean_ms": 51.005704135809,
          "measurable": 118907232,
          "min_ms": 35,
          "p50_ms": 41.0,
          "p90_ms": 50.0,
          "p99_ms": 245.0,
          "rows": 118907232,
          "unmeasurable": 0,
          "won_output_rows": 5942348
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 112258,
            "100_200ms": 2686846,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 74186,
            "200_500ms": 1198936,
            "20_50ms": 84282481,
            "2_5ms": 0,
            "5000_10000ms": 114,
            "500_1000ms": 258726,
            "50_100ms": 20260086,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 9745,
          "mean_ms": 58.35906278612013,
          "measurable": 108873633,
          "min_ms": 40,
          "p50_ms": 47.0,
          "p90_ms": 59.0,
          "p99_ms": 272.0,
          "rows": 108873633,
          "unmeasurable": 0,
          "won_output_rows": 802182
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 24512,
            "1000_2000ms": 196254,
            "100_200ms": 6922986,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 146326,
            "200_500ms": 2676418,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 46036,
            "500_1000ms": 641736,
            "50_100ms": 98159287,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 19156,
          "mean_ms": 104.01712912513518,
          "measurable": 108813555,
          "min_ms": 69,
          "p50_ms": 77.0,
          "p90_ms": 99.0,
          "p99_ms": 489.0,
          "rows": 108813555,
          "unmeasurable": 0,
          "won_output_rows": 74411
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 3112,
            "1000_2000ms": 93316,
            "100_200ms": 1160870,
            "10_20ms": 76994197,
            "1_2ms": 0,
            "2000_5000ms": 95192,
            "200_500ms": 757133,
            "20_50ms": 32592222,
            "2_5ms": 0,
            "5000_10000ms": 19732,
            "500_1000ms": 293075,
            "50_100ms": 6904441,
            "5_10ms": 0,
            "ge30000ms": 796,
            "neg": 0
          },
          "max_ms": 34853,
          "mean_ms": 32.80150742612612,
          "measurable": 118914086,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 42.0,
          "p99_ms": 214.0,
          "rows": 118914086,
          "unmeasurable": 0,
          "won_output_rows": 70643323
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 1418,
      "rows_by_domain": {
        "c": 3260,
        "e": 8752,
        "f": 8036,
        "g": 8040,
        "h": 8752
      },
      "rows_c": 3260,
      "rows_e": 8752,
      "rows_f": 8036,
      "rows_g": 8040,
      "rows_h": 8752,
      "rows_joined": 8752,
      "rows_merged": 8752,
      "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": 4,
            "10_20ms": 589,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 0,
            "20_50ms": 153,
            "2_5ms": 551,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 32,
            "5_10ms": 1931,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 135,
          "mean_ms": 8.741411042944785,
          "measurable": 3260,
          "min_ms": 3,
          "p50_ms": 6.0,
          "p90_ms": 14.0,
          "p99_ms": 50.0,
          "rows": 3260,
          "unmeasurable": 0,
          "won_output_rows": 3092
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 52,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 24,
            "20_50ms": 8236,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 436,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1365,
          "mean_ms": 43.66190585009141,
          "measurable": 8752,
          "min_ms": 35,
          "p50_ms": 41.0,
          "p90_ms": 46.0,
          "p99_ms": 98.0,
          "rows": 8752,
          "unmeasurable": 0,
          "won_output_rows": 242
        },
        "f": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 109,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 14,
            "20_50ms": 6625,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 1284,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 917,
          "mean_ms": 49.879168740667,
          "measurable": 8036,
          "min_ms": 41,
          "p50_ms": 47.0,
          "p90_ms": 53.0,
          "p99_ms": 112.64999999999964,
          "rows": 8036,
          "unmeasurable": 0,
          "won_output_rows": 31
        },
        "g": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8,
            "100_200ms": 332,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 64,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 7636,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1984,
          "mean_ms": 84.37189054726367,
          "measurable": 8040,
          "min_ms": 70,
          "p50_ms": 77.0,
          "p90_ms": 91.0,
          "p99_ms": 184.0,
          "rows": 8040,
          "unmeasurable": 0
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 44,
            "10_20ms": 6310,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 20,
            "20_50ms": 2046,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 328,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 893,
          "mean_ms": 22.65127970749543,
          "measurable": 8752,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 29.0,
          "p99_ms": 78.48999999999978,
          "rows": 8752,
          "unmeasurable": 0,
          "won_output_rows": 5387
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1554662022,
  "file": "2026-09-12T18.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-12/18",
  "hour_utc": "2026-09-12T18:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 137922738590121001,
  "merger_git_sha": "fcbb28046152741ae3754e951659977da4c8b36e",
  "min_sequence": 1970325319411370,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        156551528
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738590120993,
      "min_sequence": 1970325319411370,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 13519414,
      "row_groups": [
        0,
        51
      ],
      "sha256": "2365d18abe357076fc6a0d6fffc76e674167d491a6e7d9d0b973415496cd1083"
    },
    "book": {
      "byte_range": [
        156551528,
        308473863
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738590120869,
      "min_sequence": 1970325319413239,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 5638485,
      "row_groups": [
        52,
        73
      ],
      "sha256": "a2607e23b4a655445842be0c0a0e6649e8c72ace7d2f16a2ed51a6507106aa89"
    },
    "last_trade_price": {
      "byte_range": [
        308473863,
        312294466
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738590120521,
      "min_sequence": 1970325319512258,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 66277,
      "row_groups": [
        74,
        74
      ],
      "sha256": "dfb67644f5143a1654738a96977cbc1ecc8f74a3ba85c5192054e9c3a1ac5851"
    },
    "market_resolved": {
      "byte_range": [
        312294466,
        312949131
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738590119000,
      "min_sequence": 1970325320730545,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 5847,
      "row_groups": [
        75,
        75
      ],
      "sha256": "7795e85fa4351c7a5d55e9b0d5a86fb2fa6888bb594626e4d81168e7552e295e"
    },
    "new_market": {
      "byte_range": [
        312949131,
        313516691
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738589479315,
      "min_sequence": 1970325323956471,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 28895,
      "row_groups": [
        76,
        76
      ],
      "sha256": "660b08631278c1baa19994dd3e177d8cb79221a4c628a156cd69d56503faff07"
    },
    "price_change": {
      "byte_range": [
        313516691,
        1552773109
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738590121001,
      "min_sequence": 1970325319411371,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 118925846,
      "row_groups": [
        77,
        530
      ],
      "sha256": "4fb3a941749a4035ad4bf1bd4f9d8e4c5cb1f4866876447a611697c5ac82f96f"
    },
    "tick_size_change": {
      "byte_range": [
        1552773109,
        1553091443
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 137922738588931537,
      "min_sequence": 1970325326727686,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 8752,
      "row_groups": [
        531,
        531
      ],
      "sha256": "9c363cd0b6d597abafb87d9e236c8d5b05049d98127b11eb17453642205e5358"
    }
  },
  "row_count": 138193516,
  "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": "0da4c31a42af32f11518b5eabfb621d7f0e13907d421e22012a7f4f5c2ff8535",
  "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": "2026-09-12T18.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."
}
