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2026-06-16 3d835521c8e2d98b015ddd549d0ca9ef5e2b69d2
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{
  "generated_at": "2026-06-14T18:37:22",
  "target_dates": 251,
  "target_times": [
    "09:35:00",
    "09:40:00",
    "09:45:00",
    "09:50:00",
    "09:55:00",
    "10:00:00",
    "10:05:00",
    "10:10:00",
    "10:15:00",
    "10:20:00",
    "10:25:00",
    "10:30:00",
    "10:35:00",
    "10:40:00"
  ],
  "minute_files_scanned": 2429,
  "total_target_days_seen": 567942,
  "total_observations": 7951075,
  "output_rows": 3514,
  "boundaries": [
    "This is breadth for the local non-empty minute-file coverage pool, not full A-share market breadth.",
    "Main up/down basis is each symbol's previous trading day's last minute close in the same minute file.",
    "The result carries eligible_count per timestamp because minute coverage is incomplete and uneven across markets."
  ]
}