{
  "basis_metadata_revisions": 1586,
  "targeted_followup": [
    {
      "case": "CPER|2015-02-02",
      "source": "nasdaq_public_history",
      "outcome": "outside_public_history_window",
      "url": "https://api.nasdaq.com/api/quote/CPER/historical?assetclass=etf&fromdate=2015-01-30&todate=2015-02-05&limit=30",
      "next_eligible_at": null,
      "error": "nasdaq_public_history: No usable candle rows",
      "next_action": "Public source documents up to 10 years; seek issuer/exchange/licensed archive, do not repeat an unsupported window"
    },
    {
      "case": "CPER|2015-02-03",
      "source": "nasdaq_public_history",
      "outcome": "outside_public_history_window",
      "url": "https://api.nasdaq.com/api/quote/CPER/historical?assetclass=etf&fromdate=2015-01-31&todate=2015-02-06&limit=30",
      "next_eligible_at": null,
      "error": "nasdaq_public_history: No usable candle rows",
      "next_action": "Public source documents up to 10 years; seek issuer/exchange/licensed archive, do not repeat an unsupported window"
    }
  ],
  "ibit_retry": {
    "error": "nasdaq_public_history: Nasdaq symbol mismatch or empty response"
  },
  "case_counts": {
    "investigating": 734,
    "effective_series_recovered": 1,
    "awaiting_independent_market_close": 4,
    "awaiting_reference_basis_review": 282
  },
  "audit_status": "degraded",
  "historical_flags": [
    {
      "symbol": "159915.SZ",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 39,
      "first": "2011-09-21",
      "last": "2025-10-24"
    },
    {
      "symbol": "159915.SZ",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 1,
      "first": "2026-11-05",
      "last": "2026-11-05"
    },
    {
      "symbol": "510300.SS",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 13,
      "first": "2012-05-07",
      "last": "2025-10-24"
    },
    {
      "symbol": "510300.SS",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 1,
      "first": "2019-01-07",
      "last": "2019-01-07"
    },
    {
      "symbol": "510500.SS",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 17,
      "first": "2013-02-07",
      "last": "2025-10-24"
    },
    {
      "symbol": "510500.SS",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 1,
      "first": "2024-03-29",
      "last": "2024-03-29"
    },
    {
      "symbol": "511010.SS",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 11,
      "first": "2013-03-06",
      "last": "2025-10-24"
    },
    {
      "symbol": "511010.SS",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 1,
      "first": "2024-03-29",
      "last": "2024-03-29"
    },
    {
      "symbol": "518880.SS",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 4,
      "first": "2013-07-22",
      "last": "2025-10-24"
    },
    {
      "symbol": "518880.SS",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 2,
      "first": "2019-01-07",
      "last": "2024-03-29"
    },
    {
      "symbol": "CNY=X",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 334,
      "first": "2004-04-28",
      "last": "2026-08-28"
    },
    {
      "symbol": "CNY=X",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 267,
      "first": "2001-06-27",
      "last": "2026-01-01"
    },
    {
      "symbol": "CPER",
      "quality": "review",
      "flags_json": "[\"large_adjusted_return_review\"]",
      "rows": 2,
      "first": "2014-12-05",
      "last": "2015-02-03"
    },
    {
      "symbol": "JPY=X",
      "quality": "invalid",
      "flags_json": "[\"ohlc_inconsistent\"]",
      "rows": 278,
      "first": "1997-05-12",
      "last": "2026-10-13"
    },
    {
      "symbol": "JPY=X",
      "quality": "invalid",
      "flags_json": "[\"missing_or_invalid_open\",\"missing_or_invalid_high\",\"missing_or_invalid_low\",\"missing_or_invalid_close\",\"missing_or_invalid_adjusted_close\"]",
      "rows": 48,
      "first": "1996-10-31",
      "last": "2026-01-01"
    }
  ],
  "finished_at": "2026-11-05T14:48:19.656580+00:00",
  "quick_check": "ok"
}