{
  "active_domains": {
    "domains": [
      "b",
      "c",
      "e",
      "h"
    ],
    "source": "merge_time_registry",
    "status": "recorded"
  },
  "generated_at": "2026-09-01T13:43:31Z",
  "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": "2026-09-01/07",
  "hour_start": "2026-09-01T07:00:00Z",
  "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": 382,
          "100_200ms": 31857,
          "10_20ms": 231168,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 35274,
          "20_50ms": 126929,
          "2_5ms": 5223138,
          "5000_10000ms": 0,
          "500_1000ms": 5518,
          "50_100ms": 42809,
          "5_10ms": 2040727,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7737802,
        "max_ms": 1796,
        "mean_ms": 7.5522298192690895,
        "measurable_rows": 7737802,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 7.0,
        "p99_ms": 91.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2162
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 10249,
          "1000_2000ms": 32098,
          "100_200ms": 419624,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 29715,
          "200_500ms": 207202,
          "20_50ms": 6220262,
          "2_5ms": 0,
          "5000_10000ms": 16212,
          "500_1000ms": 73279,
          "50_100ms": 718819,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7727460,
        "max_ms": 22540,
        "mean_ms": 114.19078895264421,
        "measurable_rows": 7727460,
        "min_ms": 34,
        "p50_ms": 41.0,
        "p90_ms": 102.0,
        "p99_ms": 1195.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 7727400
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 14,
          "1000_2000ms": 19509,
          "100_200ms": 62196,
          "10_20ms": 6037076,
          "1_2ms": 0,
          "2000_5000ms": 11145,
          "200_500ms": 59722,
          "20_50ms": 1348587,
          "2_5ms": 0,
          "5000_10000ms": 2244,
          "500_1000ms": 29130,
          "50_100ms": 164127,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 7733750,
        "max_ms": 25561,
        "mean_ms": 35.60282670114757,
        "measurable_rows": 7733750,
        "min_ms": 14,
        "p50_ms": 18.0,
        "p90_ms": 25.0,
        "p99_ms": 373.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 8452
      },
      "output_rows": 7738014
    },
    "book": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 498,
          "1000_2000ms": 501,
          "100_200ms": 2393,
          "10_20ms": 21884,
          "1_2ms": 0,
          "2000_5000ms": 628,
          "200_500ms": 2248,
          "20_50ms": 8332,
          "2_5ms": 17976,
          "5000_10000ms": 170,
          "500_1000ms": 341,
          "50_100ms": 3731,
          "5_10ms": 62600,
          "ge30000ms": 4144,
          "neg": 0
        },
        "input_rows": 125446,
        "max_ms": 6556074911,
        "mean_ms": 5790352.538367107,
        "measurable_rows": 125446,
        "min_ms": 2,
        "p50_ms": 7.0,
        "p90_ms": 69.0,
        "p99_ms": 2291408.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 6343
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 7642,
          "1000_2000ms": 5929,
          "100_200ms": 12559,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 10880,
          "200_500ms": 8952,
          "20_50ms": 47052,
          "2_5ms": 0,
          "5000_10000ms": 8230,
          "500_1000ms": 6143,
          "50_100ms": 11593,
          "5_10ms": 0,
          "ge30000ms": 12725,
          "neg": 0
        },
        "input_rows": 131705,
        "max_ms": 2985438075,
        "mean_ms": 9791815.24071979,
        "measurable_rows": 131705,
        "min_ms": 35,
        "p50_ms": 146.0,
        "p90_ms": 23157.600000000093,
        "p99_ms": 140481493.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 131705
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 236,
          "1000_2000ms": 7816,
          "100_200ms": 6458,
          "10_20ms": 18349,
          "1_2ms": 0,
          "2000_5000ms": 4863,
          "200_500ms": 8882,
          "20_50ms": 51002,
          "2_5ms": 0,
          "5000_10000ms": 660,
          "500_1000ms": 8123,
          "50_100ms": 12960,
          "5_10ms": 0,
          "ge30000ms": 1782,
          "neg": 0
        },
        "input_rows": 121131,
        "max_ms": 6556746936,
        "mean_ms": 1576836.352147675,
        "measurable_rows": 121131,
        "min_ms": 15,
        "p50_ms": 40.0,
        "p90_ms": 1312.0,
        "p99_ms": 127215.29999999735,
        "unmeasurable_rows": 0,
        "won_output_rows": 6502
      },
      "output_rows": 144550
    },
    "last_trade_price": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 20,
          "100_200ms": 1462,
          "10_20ms": 13025,
          "1_2ms": 0,
          "2000_5000ms": 16,
          "200_500ms": 911,
          "20_50ms": 10076,
          "2_5ms": 6,
          "5000_10000ms": 0,
          "500_1000ms": 102,
          "50_100ms": 2845,
          "5_10ms": 29601,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 58064,
        "max_ms": 4565,
        "mean_ms": 25.598115872141086,
        "measurable_rows": 58064,
        "min_ms": 4,
        "p50_ms": 9.0,
        "p90_ms": 46.0,
        "p99_ms": 258.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 443
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 2856,
          "1000_2000ms": 2872,
          "100_200ms": 5053,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 4876,
          "200_500ms": 3953,
          "20_50ms": 17990,
          "2_5ms": 0,
          "5000_10000ms": 3733,
          "500_1000ms": 3191,
          "50_100ms": 11248,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 55772,
        "max_ms": 22554,
        "mean_ms": 1700.1620885031916,
        "measurable_rows": 55772,
        "min_ms": 38,
        "p50_ms": 87.0,
        "p90_ms": 6056.0,
        "p99_ms": 18356.77000000001,
        "unmeasurable_rows": 0,
        "won_output_rows": 55772
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 3967,
          "100_200ms": 3227,
          "10_20ms": 1729,
          "1_2ms": 0,
          "2000_5000ms": 2169,
          "200_500ms": 4064,
          "20_50ms": 32626,
          "2_5ms": 0,
          "5000_10000ms": 274,
          "500_1000ms": 4115,
          "50_100ms": 5186,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 57357,
        "max_ms": 9447,
        "mean_ms": 349.7902261275869,
        "measurable_rows": 57357,
        "min_ms": 17,
        "p50_ms": 35.0,
        "p90_ms": 1106.0,
        "p99_ms": 4002.4400000000023,
        "unmeasurable_rows": 0,
        "won_output_rows": 1874
      },
      "output_rows": 58089
    },
    "market_resolved": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 3,
          "1000_2000ms": 0,
          "100_200ms": 2,
          "10_20ms": 19,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 3,
          "20_50ms": 5,
          "2_5ms": 318,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 0,
          "5_10ms": 136,
          "ge30000ms": 25,
          "neg": 0
        },
        "input_rows": 511,
        "max_ms": 59819,
        "mean_ms": 2775.4227005870844,
        "measurable_rows": 511,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 11.0,
        "p99_ms": 55379.6,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 4,
          "1000_2000ms": 2,
          "100_200ms": 44,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 3,
          "200_500ms": 43,
          "20_50ms": 347,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 20,
          "50_100ms": 20,
          "5_10ms": 0,
          "ge30000ms": 25,
          "neg": 0
        },
        "input_rows": 508,
        "max_ms": 60481,
        "mean_ms": 2985.4744094488187,
        "measurable_rows": 508,
        "min_ms": 39,
        "p50_ms": 42.0,
        "p90_ms": 539.6,
        "p99_ms": 56155.719999999994,
        "unmeasurable_rows": 0,
        "won_output_rows": 508
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 3,
          "1000_2000ms": 0,
          "100_200ms": 24,
          "10_20ms": 296,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 6,
          "20_50ms": 96,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 65,
          "5_10ms": 0,
          "ge30000ms": 21,
          "neg": 0
        },
        "input_rows": 511,
        "max_ms": 60965,
        "mean_ms": 2595.0,
        "measurable_rows": 511,
        "min_ms": 15,
        "p50_ms": 19.0,
        "p90_ms": 106.0,
        "p99_ms": 60643.499999999935,
        "unmeasurable_rows": 0,
        "won_output_rows": 7
      },
      "output_rows": 515
    },
    "new_market": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 75,
          "1000_2000ms": 0,
          "100_200ms": 66,
          "10_20ms": 108,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 57,
          "20_50ms": 225,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 168,
          "5_10ms": 29,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 728,
        "max_ms": 27523,
        "mean_ms": 1905.3434065934066,
        "measurable_rows": 728,
        "min_ms": 7,
        "p50_ms": 50.0,
        "p90_ms": 10547.000000000025,
        "p99_ms": 27142.81,
        "unmeasurable_rows": 0,
        "won_output_rows": 70
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 98,
          "1000_2000ms": 0,
          "100_200ms": 118,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 287,
          "20_50ms": 36,
          "2_5ms": 0,
          "5000_10000ms": 3,
          "500_1000ms": 82,
          "50_100ms": 100,
          "5_10ms": 0,
          "ge30000ms": 4,
          "neg": 0
        },
        "input_rows": 728,
        "max_ms": 77718,
        "mean_ms": 3034.5686813186812,
        "measurable_rows": 728,
        "min_ms": 43,
        "p50_ms": 260.5,
        "p90_ms": 16417.200000000008,
        "p99_ms": 28183.309999999998,
        "unmeasurable_rows": 0,
        "won_output_rows": 728
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 86,
          "1000_2000ms": 0,
          "100_200ms": 142,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 219,
          "20_50ms": 134,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 15,
          "50_100ms": 130,
          "5_10ms": 0,
          "ge30000ms": 2,
          "neg": 0
        },
        "input_rows": 728,
        "max_ms": 127422,
        "mean_ms": 2264.3736263736264,
        "measurable_rows": 728,
        "min_ms": 21,
        "p50_ms": 171.0,
        "p90_ms": 12946.000000000004,
        "p99_ms": 19884.33,
        "unmeasurable_rows": 0,
        "won_output_rows": 155
      },
      "output_rows": 953
    },
    "price_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 6240,
          "100_200ms": 468550,
          "10_20ms": 2656348,
          "1_2ms": 4,
          "2000_5000ms": 68,
          "200_500ms": 534408,
          "20_50ms": 1383848,
          "2_5ms": 47801736,
          "5000_10000ms": 0,
          "500_1000ms": 73784,
          "50_100ms": 566348,
          "5_10ms": 22070056,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 75561390,
        "max_ms": 3246,
        "mean_ms": 9.09084059994132,
        "measurable_rows": 75561390,
        "min_ms": 1,
        "p50_ms": 4.0,
        "p90_ms": 8.0,
        "p99_ms": 164.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 35576
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 394336,
          "1000_2000ms": 721486,
          "100_200ms": 5079868,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 837314,
          "200_500ms": 2680969,
          "20_50ms": 55971687,
          "2_5ms": 0,
          "5000_10000ms": 513748,
          "500_1000ms": 1111240,
          "50_100ms": 7771074,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 75081722,
        "max_ms": 22596,
        "mean_ms": 244.28527940528588,
        "measurable_rows": 75081722,
        "min_ms": 33,
        "p50_ms": 42.0,
        "p90_ms": 160.0,
        "p99_ms": 6131.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 75081138
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 260,
          "1000_2000ms": 424658,
          "100_200ms": 951646,
          "10_20ms": 55343170,
          "1_2ms": 0,
          "2000_5000ms": 242752,
          "200_500ms": 1073058,
          "20_50ms": 14859396,
          "2_5ms": 0,
          "5000_10000ms": 26492,
          "500_1000ms": 568278,
          "50_100ms": 2024604,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 75514314,
        "max_ms": 26416,
        "mean_ms": 51.29304038966705,
        "measurable_rows": 75514314,
        "min_ms": 14,
        "p50_ms": 18.0,
        "p90_ms": 35.0,
        "p99_ms": 921.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 463074
      },
      "output_rows": 75579788
    },
    "tick_size_change": {
      "c": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 0,
          "100_200ms": 4,
          "10_20ms": 78,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 4,
          "20_50ms": 62,
          "2_5ms": 1207,
          "5000_10000ms": 0,
          "500_1000ms": 0,
          "50_100ms": 40,
          "5_10ms": 621,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2016,
        "max_ms": 427,
        "mean_ms": 7.743055555555555,
        "measurable_rows": 2016,
        "min_ms": 2,
        "p50_ms": 4.0,
        "p90_ms": 8.0,
        "p99_ms": 71.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "e": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 8,
          "100_200ms": 218,
          "10_20ms": 0,
          "1_2ms": 0,
          "2000_5000ms": 28,
          "200_500ms": 45,
          "20_50ms": 1536,
          "2_5ms": 0,
          "5000_10000ms": 12,
          "500_1000ms": 20,
          "50_100ms": 149,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2016,
        "max_ms": 8015,
        "mean_ms": 171.13690476190476,
        "measurable_rows": 2016,
        "min_ms": 35,
        "p50_ms": 42.0,
        "p90_ms": 124.0,
        "p99_ms": 4908.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 2016
      },
      "h": {
        "buckets_ms": {
          "0_1ms": 0,
          "10000_30000ms": 0,
          "1000_2000ms": 4,
          "100_200ms": 5,
          "10_20ms": 1486,
          "1_2ms": 0,
          "2000_5000ms": 0,
          "200_500ms": 10,
          "20_50ms": 424,
          "2_5ms": 0,
          "5000_10000ms": 0,
          "500_1000ms": 8,
          "50_100ms": 79,
          "5_10ms": 0,
          "ge30000ms": 0,
          "neg": 0
        },
        "input_rows": 2016,
        "max_ms": 1727,
        "mean_ms": 29.52529761904762,
        "measurable_rows": 2016,
        "min_ms": 15,
        "p50_ms": 18.0,
        "p90_ms": 36.0,
        "p99_ms": 214.0,
        "unmeasurable_rows": 0,
        "won_output_rows": 0
      },
      "output_rows": 2016
    }
  },
  "schema_sha256": "770e9167f47493d2cf167f0512ff9703376d3cb14d84572b759740e75e352456",
  "stats_version": 2,
  "sweep_run_id": null,
  "witnesses": "che"
}