{
  "active_domains": {
    "domains": [
      "b",
      "c",
      "e",
      "h"
    ],
    "source": "merge_time_registry",
    "status": "recorded"
  },
  "generated_at": "2026-09-02T04:22:04Z",
  "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": "2026-08-31/22",
  "hour_start": "2026-08-31T22:00:00Z",
  "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": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 340,
          "100_200ms": 32092,
          "10_20ms": 246114,
          "1_2ms": 0,
          "2000_5000ms": 6,
          "200_500ms": 36484,
          "20_50ms": 132419,
          "2_5ms": 4393783,
          "5000_10000ms": 2,
          "500_1000ms": 4786,
          "50_100ms": 47492,
          "5_10ms": 2294777,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7188295,
        "max_ms": 6605,
        "mean_ms": 8.084341001586607,
        "measurable_rows": 7188295,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 7.0,
        "p99_ms": 104.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 306
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 2799,
          "1000_2000ms": 26348,
          "100_200ms": 400216,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 16247,
          "200_500ms": 212499,
          "20_50ms": 5745531,
          "2_5ms": 0,
          "5000_10000ms": 11784,
          "500_1000ms": 76171,
          "50_100ms": 695109,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7186704,
        "max_ms": 17905,
        "mean_ms": 94.34086501962513,
        "measurable_rows": 7186704,
        "min_ms": 40,
        "p50_ms": 43.0,
        "p90_ms": 104.0,
        "p99_ms": 824.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 7186654
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 1536,
          "100_200ms": 48707,
          "10_20ms": 6610697,
          "1_2ms": 0,
          "2000_5000ms": 1389,
          "200_500ms": 38013,
          "20_50ms": 383428,
          "2_5ms": 0,
          "5000_10000ms": 471,
          "500_1000ms": 8896,
          "50_100ms": 93441,
          "5_10ms": 1387,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7187965,
        "max_ms": 7132,
        "mean_ms": 18.22860865349233,
        "measurable_rows": 7187965,
        "min_ms": 9,
        "p50_ms": 12.0,
        "p90_ms": 17.0,
        "p99_ms": 137.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 1467
      },
      "output_rows": 7188427
    },
    "book": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 552,
          "1000_2000ms": 490,
          "100_200ms": 1491,
          "10_20ms": 20618,
          "1_2ms": 0,
          "2000_5000ms": 905,
          "200_500ms": 1544,
          "20_50ms": 6553,
          "2_5ms": 14360,
          "5000_10000ms": 198,
          "500_1000ms": 327,
          "50_100ms": 1991,
          "5_10ms": 65617,
          "ge30000ms": 3906,
          "neg": 0
        },
        "input_rows": 118552,
        "max_ms": 8123106948,
        "mean_ms": 5993307.833001552,
        "measurable_rows": 118552,
        "min_ms": 2,
        "p50_ms": 7.0,
        "p90_ms": 45.0,
        "p99_ms": 574920.1600000015,
        "unmeasurable_rows": 0,
        "won_output_rows": 5102
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 1507,
          "1000_2000ms": 6348,
          "100_200ms": 15108,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 9157,
          "200_500ms": 9711,
          "20_50ms": 44318,
          "2_5ms": 0,
          "5000_10000ms": 6421,
          "500_1000ms": 5921,
          "50_100ms": 15735,
          "5_10ms": 0,
          "ge30000ms": 1502,
          "neg": 0
        },
        "input_rows": 115728,
        "max_ms": 169668870,
        "mean_ms": 22537.013168809623,
        "measurable_rows": 115728,
        "min_ms": 40,
        "p50_ms": 89.0,
        "p90_ms": 4254.600000000006,
        "p99_ms": 70596.18999999999,
        "unmeasurable_rows": 0,
        "won_output_rows": 115728
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 72,
          "1000_2000ms": 615,
          "100_200ms": 4403,
          "10_20ms": 58951,
          "1_2ms": 0,
          "2000_5000ms": 778,
          "200_500ms": 5262,
          "20_50ms": 34972,
          "2_5ms": 0,
          "5000_10000ms": 34,
          "500_1000ms": 1347,
          "50_100ms": 7352,
          "5_10ms": 0,
          "ge30000ms": 356,
          "neg": 0
        },
        "input_rows": 114142,
        "max_ms": 6520681420,
        "mean_ms": 770371.5576036866,
        "measurable_rows": 114142,
        "min_ms": 10,
        "p50_ms": 19.0,
        "p90_ms": 128.0,
        "p99_ms": 2189.9499999999825,
        "unmeasurable_rows": 0,
        "won_output_rows": 902
      },
      "output_rows": 121732
    },
    "last_trade_price": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 5,
          "100_200ms": 1101,
          "10_20ms": 14430,
          "1_2ms": 0,
          "2000_5000ms": 31,
          "200_500ms": 517,
          "20_50ms": 9610,
          "2_5ms": 1,
          "5000_10000ms": 0,
          "500_1000ms": 98,
          "50_100ms": 2218,
          "5_10ms": 26846,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 54857,
        "max_ms": 4793,
        "mean_ms": 23.76416865668921,
        "measurable_rows": 54857,
        "min_ms": 4,
        "p50_ms": 10.0,
        "p90_ms": 39.0,
        "p99_ms": 217.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 10
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 619,
          "1000_2000ms": 3131,
          "100_200ms": 5961,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 4134,
          "200_500ms": 4558,
          "20_50ms": 15636,
          "2_5ms": 0,
          "5000_10000ms": 3043,
          "500_1000ms": 3040,
          "50_100ms": 14715,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 54837,
        "max_ms": 17936,
        "mean_ms": 996.5672629793752,
        "measurable_rows": 54837,
        "min_ms": 43,
        "p50_ms": 80.0,
        "p90_ms": 3459.4000000000015,
        "p99_ms": 10395.199999999997,
        "unmeasurable_rows": 0,
        "won_output_rows": 54837
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 88,
          "100_200ms": 2311,
          "10_20ms": 30151,
          "1_2ms": 0,
          "2000_5000ms": 37,
          "200_500ms": 2663,
          "20_50ms": 14852,
          "2_5ms": 0,
          "5000_10000ms": 2,
          "500_1000ms": 684,
          "50_100ms": 4060,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 54848,
        "max_ms": 5424,
        "mean_ms": 56.40429915402567,
        "measurable_rows": 54848,
        "min_ms": 11,
        "p50_ms": 18.0,
        "p90_ms": 108.0,
        "p99_ms": 595.5299999999988,
        "unmeasurable_rows": 0,
        "won_output_rows": 27
      },
      "output_rows": 54874
    },
    "market_resolved": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 4,
          "10_20ms": 39,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 13,
          "20_50ms": 18,
          "2_5ms": 933,
          "5000_10000ms": 0,
          "500_1000ms": 2,
          "50_100ms": 17,
          "5_10ms": 379,
          "ge30000ms": 2,
          "neg": 0
        },
        "input_rows": 1407,
        "max_ms": 61232,
        "mean_ms": 96.59701492537313,
        "measurable_rows": 1407,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 7.0,
        "p99_ms": 219.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 2,
          "100_200ms": 183,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 151,
          "20_50ms": 899,
          "2_5ms": 0,
          "5000_10000ms": 1,
          "500_1000ms": 29,
          "50_100ms": 141,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 1406,
        "max_ms": 8220,
        "mean_ms": 107.06258890469417,
        "measurable_rows": 1406,
        "min_ms": 41,
        "p50_ms": 44.0,
        "p90_ms": 254.5,
        "p99_ms": 671.2000000000007,
        "unmeasurable_rows": 0,
        "won_output_rows": 1406
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 1,
          "100_200ms": 17,
          "10_20ms": 1204,
          "1_2ms": 0,
          "2000_5000ms": 1,
          "200_500ms": 8,
          "20_50ms": 125,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 1,
          "50_100ms": 49,
          "5_10ms": 1,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 1407,
        "max_ms": 3441,
        "mean_ms": 22.790334044065386,
        "measurable_rows": 1407,
        "min_ms": 9,
        "p50_ms": 12.0,
        "p90_ms": 25.40000000000009,
        "p99_ms": 154.94000000000005,
        "unmeasurable_rows": 0,
        "won_output_rows": 1
      },
      "output_rows": 1409
    },
    "new_market": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 105,
          "1000_2000ms": 0,
          "100_200ms": 38,
          "10_20ms": 107,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 159,
          "20_50ms": 270,
          "2_5ms": 0,
          "5000_10000ms": 5,
          "500_1000ms": 7,
          "50_100ms": 148,
          "5_10ms": 11,
          "ge30000ms": 11,
          "neg": 0
        },
        "input_rows": 861,
        "max_ms": 107391,
        "mean_ms": 2977.6945412311265,
        "measurable_rows": 861,
        "min_ms": 8,
        "p50_ms": 56.0,
        "p90_ms": 12553.0,
        "p99_ms": 35945.2,
        "unmeasurable_rows": 0,
        "won_output_rows": 92
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 116,
          "1000_2000ms": 10,
          "100_200ms": 243,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 252,
          "20_50ms": 35,
          "2_5ms": 0,
          "5000_10000ms": 7,
          "500_1000ms": 44,
          "50_100ms": 148,
          "5_10ms": 0,
          "ge30000ms": 6,
          "neg": 0
        },
        "input_rows": 861,
        "max_ms": 126151,
        "mean_ms": 2905.397212543554,
        "measurable_rows": 861,
        "min_ms": 46,
        "p50_ms": 201.0,
        "p90_ms": 12272.0,
        "p99_ms": 29849.800000000003,
        "unmeasurable_rows": 0,
        "won_output_rows": 861
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 114,
          "1000_2000ms": 0,
          "100_200ms": 187,
          "10_20ms": 48,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 109,
          "20_50ms": 179,
          "2_5ms": 0,
          "5000_10000ms": 5,
          "500_1000ms": 12,
          "50_100ms": 187,
          "5_10ms": 0,
          "ge30000ms": 20,
          "neg": 0
        },
        "input_rows": 861,
        "max_ms": 55062,
        "mean_ms": 3034.4773519163764,
        "measurable_rows": 861,
        "min_ms": 13,
        "p50_ms": 105.0,
        "p90_ms": 14700.0,
        "p99_ms": 31768.4,
        "unmeasurable_rows": 0,
        "won_output_rows": 210
      },
      "output_rows": 1163
    },
    "price_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 3230,
          "100_200ms": 656298,
          "10_20ms": 2741124,
          "1_2ms": 0,
          "2000_5000ms": 182,
          "200_500ms": 576136,
          "20_50ms": 1349898,
          "2_5ms": 42745120,
          "5000_10000ms": 38,
          "500_1000ms": 60702,
          "50_100ms": 714210,
          "5_10ms": 25995420,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 74842358,
        "max_ms": 6690,
        "mean_ms": 9.794264071690526,
        "measurable_rows": 74842358,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 8.0,
        "p99_ms": 177.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 35433
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 90418,
          "1000_2000ms": 601120,
          "100_200ms": 5316862,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 494598,
          "200_500ms": 2913791,
          "20_50ms": 54943018,
          "2_5ms": 0,
          "5000_10000ms": 302206,
          "500_1000ms": 1128295,
          "50_100ms": 8746280,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 74536588,
        "max_ms": 19157,
        "mean_ms": 149.67589201963472,
        "measurable_rows": 74536588,
        "min_ms": 40,
        "p50_ms": 43.0,
        "p90_ms": 144.0,
        "p99_ms": 2596.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 74535988
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 19684,
          "100_200ms": 903360,
          "10_20ms": 67257921,
          "1_2ms": 0,
          "2000_5000ms": 15564,
          "200_500ms": 708260,
          "20_50ms": 4543037,
          "2_5ms": 0,
          "5000_10000ms": 4789,
          "500_1000ms": 115958,
          "50_100ms": 1187324,
          "5_10ms": 5850,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 74761747,
        "max_ms": 8054,
        "mean_ms": 20.80239620403734,
        "measurable_rows": 74761747,
        "min_ms": 9,
        "p50_ms": 12.0,
        "p90_ms": 20.0,
        "p99_ms": 224.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 279397
      },
      "output_rows": 74850818
    },
    "tick_size_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 4,
          "10_20ms": 65,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 0,
          "20_50ms": 26,
          "2_5ms": 1210,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 2,
          "5_10ms": 833,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2140,
        "max_ms": 154,
        "mean_ms": 5.497196261682243,
        "measurable_rows": 2140,
        "min_ms": 3,
        "p50_ms": 4.0,
        "p90_ms": 7.0,
        "p99_ms": 26.44000000000051,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 106,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 32,
          "20_50ms": 1804,
          "2_5ms": 0,
          "5000_10000ms": 4,
          "500_1000ms": 12,
          "50_100ms": 182,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2140,
        "max_ms": 7185,
        "mean_ms": 71.32289719626168,
        "measurable_rows": 2140,
        "min_ms": 41,
        "p50_ms": 43.0,
        "p90_ms": 68.0,
        "p99_ms": 426.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2140
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 0,
          "10_20ms": 2003,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 0,
          "20_50ms": 115,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 22,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2140,
        "max_ms": 85,
        "mean_ms": 13.657943925233646,
        "measurable_rows": 2140,
        "min_ms": 10,
        "p50_ms": 12.0,
        "p90_ms": 15.100000000000136,
        "p99_ms": 49.490000000001146,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "output_rows": 2140
    }
  },
  "schema_sha256": "770e9167f47493d2cf167f0512ff9703376d3cb14d84572b759740e75e352456",
  "stats_version": 2,
  "sweep_run_id": null,
  "witnesses": "bche"
}