{
  "active_domains": {
    "domains": [
      "b",
      "c",
      "e",
      "h"
    ],
    "source": "merge_time_registry",
    "status": "recorded"
  },
  "generated_at": "2026-09-01T14:12:51Z",
  "generation_mode": "merge_time",
  "generator_revision": {
    "git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
    "status": "known"
  },
  "histogram_spec": {
    "finite_edges": [
      0,
      1,
      2,
      5,
      10,
      20,
      50,
      100,
      200,
      500,
      1000,
      2000,
      5000,
      10000,
      30000
    ],
    "interval": "[lower,upper)",
    "overflow": "ge30000: [30000,+inf)",
    "underflow": "neg: all finite values < 0, measurable, counted",
    "unit": "ms",
    "value_classes": "finite -> exactly one bucket (neg included); null/unparsable/non-finite -> unmeasurable_rows, in NO bucket"
  },
  "hour": "2026-09-01/09",
  "hour_start": "2026-09-01T09:00:00Z",
  "merged_by_revision": {
    "git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
    "status": "known"
  },
  "metric_definitions": {
    "best_bid_ask": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    },
    "book": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "book_staleness",
      "note": "large values mean a quiet book, not slow transport; measured max ~72 days on 2026-08-28/23",
      "unit": "ms",
      "venue_timestamp_kind": "last_book_change"
    },
    "last_trade_price": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    },
    "market_resolved": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    },
    "new_market": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    },
    "price_change": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    },
    "tick_size_change": {
      "formula": "receipt_timestamp_minus_venue_timestamp",
      "interpretation": "transport_latency_assumed",
      "unit": "ms",
      "venue_timestamp_kind": "event_emit_assumed"
    }
  },
  "products": {
    "best_bid_ask": {
      "c": {
        "buckets_ms": {
          "0_1ms": 1665203,
          "10000_30000ms": 0,
          "1000_2000ms": 189,
          "100_200ms": 23242,
          "10_20ms": 115952,
          "1_2ms": 1155431,
          "2000_5000ms": 0,
          "200_500ms": 22810,
          "20_50ms": 97355,
          "2_5ms": 794751,
          "5000_10000ms": 0,
          "500_1000ms": 3516,
          "50_100ms": 34675,
          "5_10ms": 195421,
          "ge30000ms": 0,
          "neg": 2804105
        },
        "input_rows": 6912650,
        "max_ms": 1741,
        "mean_ms": 2.5882308521334076,
        "measurable_rows": 6912650,
        "min_ms": -6,
        "p50_ms": 0.0,
        "p90_ms": 3.0,
        "p99_ms": 64.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 1230
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 6290,
          "1000_2000ms": 22560,
          "100_200ms": 317046,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 23570,
          "200_500ms": 142196,
          "20_50ms": 5668469,
          "2_5ms": 0,
          "5000_10000ms": 14909,
          "500_1000ms": 47048,
          "50_100ms": 658782,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 6900870,
        "max_ms": 20069,
        "mean_ms": 101.45932512857074,
        "measurable_rows": 6900870,
        "min_ms": 33,
        "p50_ms": 44.0,
        "p90_ms": 83.0,
        "p99_ms": 964.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 6900757
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 28,
          "1000_2000ms": 11937,
          "100_200ms": 53769,
          "10_20ms": 5389844,
          "1_2ms": 0,
          "2000_5000ms": 2441,
          "200_500ms": 46179,
          "20_50ms": 1235204,
          "2_5ms": 0,
          "5000_10000ms": 670,
          "500_1000ms": 21740,
          "50_100ms": 147141,
          "5_10ms": 0,
          "ge30000ms": 24,
          "neg": 0
        },
        "input_rows": 6908977,
        "max_ms": 39737,
        "mean_ms": 28.994394683901827,
        "measurable_rows": 6908977,
        "min_ms": 14,
        "p50_ms": 18.0,
        "p90_ms": 26.0,
        "p99_ms": 257.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 11179
      },
      "output_rows": 6913166
    },
    "book": {
      "c": {
        "buckets_ms": {
          "0_1ms": 14397,
          "10000_30000ms": 2002,
          "1000_2000ms": 366,
          "100_200ms": 1975,
          "10_20ms": 9162,
          "1_2ms": 19585,
          "2000_5000ms": 957,
          "200_500ms": 1723,
          "20_50ms": 7265,
          "2_5ms": 43462,
          "5000_10000ms": 640,
          "500_1000ms": 429,
          "50_100ms": 3133,
          "5_10ms": 18242,
          "ge30000ms": 14852,
          "neg": 17097
        },
        "input_rows": 155287,
        "max_ms": 8163259436,
        "mean_ms": 18509005.6276121,
        "measurable_rows": 155287,
        "min_ms": -5,
        "p50_ms": 3.0,
        "p90_ms": 22393.0,
        "p99_ms": 356568632.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 19118
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 4937,
          "1000_2000ms": 6798,
          "100_200ms": 14216,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 11464,
          "200_500ms": 10296,
          "20_50ms": 56215,
          "2_5ms": 0,
          "5000_10000ms": 8730,
          "500_1000ms": 6437,
          "50_100ms": 16087,
          "5_10ms": 0,
          "ge30000ms": 12736,
          "neg": 0
        },
        "input_rows": 147916,
        "max_ms": 6561643902,
        "mean_ms": 7595788.984105844,
        "measurable_rows": 147916,
        "min_ms": 36,
        "p50_ms": 110.0,
        "p90_ms": 14270.0,
        "p99_ms": 20029486.250000153,
        "unmeasurable_rows": 0,
        "won_output_rows": 147912
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 258,
          "1000_2000ms": 4840,
          "100_200ms": 7764,
          "10_20ms": 29013,
          "1_2ms": 0,
          "2000_5000ms": 1216,
          "200_500ms": 10132,
          "20_50ms": 62881,
          "2_5ms": 0,
          "5000_10000ms": 212,
          "500_1000ms": 6818,
          "50_100ms": 13011,
          "5_10ms": 0,
          "ge30000ms": 1994,
          "neg": 0
        },
        "input_rows": 138139,
        "max_ms": 6558313875,
        "mean_ms": 1576663.944143218,
        "measurable_rows": 138139,
        "min_ms": 15,
        "p50_ms": 26.0,
        "p90_ms": 569.0,
        "p99_ms": 172084.5599999947,
        "unmeasurable_rows": 0,
        "won_output_rows": 7975
      },
      "output_rows": 175005
    },
    "last_trade_price": {
      "c": {
        "buckets_ms": {
          "0_1ms": 1694,
          "10000_30000ms": 0,
          "1000_2000ms": 7,
          "100_200ms": 1377,
          "10_20ms": 6936,
          "1_2ms": 3099,
          "2000_5000ms": 32,
          "200_500ms": 574,
          "20_50ms": 8948,
          "2_5ms": 21714,
          "5000_10000ms": 0,
          "500_1000ms": 80,
          "50_100ms": 2577,
          "5_10ms": 18289,
          "ge30000ms": 0,
          "neg": 587
        },
        "input_rows": 65914,
        "max_ms": 4915,
        "mean_ms": 19.013821039536367,
        "measurable_rows": 65914,
        "min_ms": -3,
        "p50_ms": 5.0,
        "p90_ms": 37.0,
        "p99_ms": 205.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 97
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 1554,
          "1000_2000ms": 3335,
          "100_200ms": 5974,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 5221,
          "200_500ms": 4707,
          "20_50ms": 19735,
          "2_5ms": 0,
          "5000_10000ms": 3826,
          "500_1000ms": 3287,
          "50_100ms": 15874,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 63513,
        "max_ms": 20138,
        "mean_ms": 1193.7547588682633,
        "measurable_rows": 63513,
        "min_ms": 39,
        "p50_ms": 75.0,
        "p90_ms": 4217.800000000003,
        "p99_ms": 12422.759999999995,
        "unmeasurable_rows": 0,
        "won_output_rows": 63512
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 2321,
          "100_200ms": 3692,
          "10_20ms": 4101,
          "1_2ms": 0,
          "2000_5000ms": 409,
          "200_500ms": 5004,
          "20_50ms": 40164,
          "2_5ms": 0,
          "5000_10000ms": 47,
          "500_1000ms": 3643,
          "50_100ms": 5994,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 65375,
        "max_ms": 6340,
        "mean_ms": 167.46121606118547,
        "measurable_rows": 65375,
        "min_ms": 17,
        "p50_ms": 27.0,
        "p90_ms": 488.0,
        "p99_ms": 1804.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2348
      },
      "output_rows": 65957
    },
    "market_resolved": {
      "c": {
        "buckets_ms": {
          "0_1ms": 212,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 6,
          "10_20ms": 20,
          "1_2ms": 155,
          "2000_5000ms": 0,
          "200_500ms": 0,
          "20_50ms": 9,
          "2_5ms": 125,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 1,
          "5_10ms": 22,
          "ge30000ms": 4,
          "neg": 330
        },
        "input_rows": 884,
        "max_ms": 60774,
        "mean_ms": 276.4457013574661,
        "measurable_rows": 884,
        "min_ms": -5,
        "p50_ms": 0.0,
        "p90_ms": 3.0,
        "p99_ms": 103.50999999999988,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 99,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 2,
          "200_500ms": 37,
          "20_50ms": 638,
          "2_5ms": 0,
          "5000_10000ms": 3,
          "500_1000ms": 2,
          "50_100ms": 58,
          "5_10ms": 0,
          "ge30000ms": 44,
          "neg": 0
        },
        "input_rows": 883,
        "max_ms": 61006,
        "mean_ms": 3053.7485843714608,
        "measurable_rows": 883,
        "min_ms": 38,
        "p50_ms": 44.0,
        "p90_ms": 198.80000000000007,
        "p99_ms": 60966.72,
        "unmeasurable_rows": 0,
        "won_output_rows": 883
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 2,
          "100_200ms": 19,
          "10_20ms": 611,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 2,
          "20_50ms": 190,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 56,
          "5_10ms": 0,
          "ge30000ms": 4,
          "neg": 0
        },
        "input_rows": 884,
        "max_ms": 61948,
        "mean_ms": 309.4830316742081,
        "measurable_rows": 884,
        "min_ms": 14,
        "p50_ms": 18.0,
        "p90_ms": 48.0,
        "p99_ms": 197.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 41
      },
      "output_rows": 924
    },
    "new_market": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 95,
          "1000_2000ms": 0,
          "100_200ms": 62,
          "10_20ms": 57,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 97,
          "20_50ms": 123,
          "2_5ms": 25,
          "5000_10000ms": 1,
          "500_1000ms": 0,
          "50_100ms": 127,
          "5_10ms": 38,
          "ge30000ms": 3,
          "neg": 0
        },
        "input_rows": 628,
        "max_ms": 75349,
        "mean_ms": 3388.4092356687897,
        "measurable_rows": 628,
        "min_ms": 2,
        "p50_ms": 73.0,
        "p90_ms": 18009.10000000002,
        "p99_ms": 27295.670000000006,
        "unmeasurable_rows": 0,
        "won_output_rows": 87
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 63,
          "1000_2000ms": 0,
          "100_200ms": 84,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 267,
          "20_50ms": 40,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 60,
          "50_100ms": 111,
          "5_10ms": 0,
          "ge30000ms": 3,
          "neg": 0
        },
        "input_rows": 628,
        "max_ms": 64940,
        "mean_ms": 2239.082802547771,
        "measurable_rows": 628,
        "min_ms": 43,
        "p50_ms": 242.0,
        "p90_ms": 10474.300000000021,
        "p99_ms": 27433.88,
        "unmeasurable_rows": 0,
        "won_output_rows": 628
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 60,
          "1000_2000ms": 0,
          "100_200ms": 191,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 125,
          "20_50ms": 129,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 121,
          "5_10ms": 0,
          "ge30000ms": 2,
          "neg": 0
        },
        "input_rows": 628,
        "max_ms": 96026,
        "mean_ms": 1991.1178343949045,
        "measurable_rows": 628,
        "min_ms": 20,
        "p50_ms": 132.5,
        "p90_ms": 425.90000000000157,
        "p99_ms": 26911.200000000015,
        "unmeasurable_rows": 0,
        "won_output_rows": 102
      },
      "output_rows": 817
    },
    "price_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 20512748,
          "10000_30000ms": 0,
          "1000_2000ms": 4150,
          "100_200ms": 378776,
          "10_20ms": 1514518,
          "1_2ms": 15831658,
          "2000_5000ms": 16,
          "200_500ms": 394660,
          "20_50ms": 1294776,
          "2_5ms": 11135718,
          "5000_10000ms": 0,
          "500_1000ms": 68678,
          "50_100ms": 519706,
          "5_10ms": 2661774,
          "ge30000ms": 0,
          "neg": 28665962
        },
        "input_rows": 82983140,
        "max_ms": 2602,
        "mean_ms": 3.8303639751400103,
        "measurable_rows": 82983140,
        "min_ms": -6,
        "p50_ms": 0.0,
        "p90_ms": 4.0,
        "p99_ms": 102.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 18110
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 181942,
          "1000_2000ms": 536904,
          "100_200ms": 4739874,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 637488,
          "200_500ms": 2243630,
          "20_50ms": 63817692,
          "2_5ms": 0,
          "5000_10000ms": 436442,
          "500_1000ms": 870676,
          "50_100ms": 9159700,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 82624348,
        "max_ms": 20071,
        "mean_ms": 163.7450655102295,
        "measurable_rows": 82624348,
        "min_ms": 33,
        "p50_ms": 44.0,
        "p90_ms": 118.0,
        "p99_ms": 3695.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 82622068
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 360,
          "1000_2000ms": 211194,
          "100_200ms": 956098,
          "10_20ms": 62004020,
          "1_2ms": 0,
          "2000_5000ms": 40592,
          "200_500ms": 933014,
          "20_50ms": 16250736,
          "2_5ms": 0,
          "5000_10000ms": 6266,
          "500_1000ms": 441414,
          "50_100ms": 2080714,
          "5_10ms": 0,
          "ge30000ms": 190,
          "neg": 0
        },
        "input_rows": 82924598,
        "max_ms": 39967,
        "mean_ms": 34.10921314324611,
        "measurable_rows": 82924598,
        "min_ms": 14,
        "p50_ms": 18.0,
        "p90_ms": 31.0,
        "p99_ms": 432.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 348090
      },
      "output_rows": 82988268
    },
    "tick_size_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 674,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 0,
          "10_20ms": 40,
          "1_2ms": 460,
          "2000_5000ms": 0,
          "200_500ms": 1,
          "20_50ms": 63,
          "2_5ms": 384,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 10,
          "5_10ms": 89,
          "ge30000ms": 0,
          "neg": 775
        },
        "input_rows": 2496,
        "max_ms": 224,
        "mean_ms": 1.6594551282051282,
        "measurable_rows": 2496,
        "min_ms": -5,
        "p50_ms": 0.0,
        "p90_ms": 4.0,
        "p99_ms": 43.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 8,
          "100_200ms": 177,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 23,
          "20_50ms": 2069,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 4,
          "50_100ms": 211,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2492,
        "max_ms": 1247,
        "mean_ms": 57.27407704654895,
        "measurable_rows": 2492,
        "min_ms": 36,
        "p50_ms": 43.0,
        "p90_ms": 88.0,
        "p99_ms": 267.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2492
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 8,
          "100_200ms": 23,
          "10_20ms": 1891,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 4,
          "20_50ms": 527,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 43,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2496,
        "max_ms": 1732,
        "mean_ms": 26.458733974358974,
        "measurable_rows": 2496,
        "min_ms": 15,
        "p50_ms": 18.0,
        "p90_ms": 28.0,
        "p99_ms": 128.45000000000164,
        "unmeasurable_rows": 0,
        "won_output_rows": 4
      },
      "output_rows": 2496
    }
  },
  "schema_sha256": "770e9167f47493d2cf167f0512ff9703376d3cb14d84572b759740e75e352456",
  "stats_version": 2,
  "sweep_run_id": null,
  "witnesses": "che"
}