{
  "version": "cn-thirty-year-data-coverage-audit-v1",
  "generatedAt": "2026-08-05T04:35:28.004Z",
  "source": "quantdata888.duckdns.org",
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      "firstDate": "19930504",
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    },
    {
      "tsCode": "600652.SH",
      "name": "退游久(退)",
      "listStatus": "D",
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    },
    {
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      "listStatus": "D",
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      "firstDate": "19901219",
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      "priceLimitRows": 2276,
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    },
    {
      "tsCode": "600659.SH",
      "name": "*ST花雕(退)",
      "listStatus": "D",
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      "lastDate": "20051230",
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  ],
  "verdict": {
    "thirtyYearDataRetrievalVerified": true,
    "fullMarketThirtyYearBacktestCompleted": false,
    "reason": "已证明老证券可回填至1990年代并包含退市样本；全市场三十年逐日面板仍需继续下载和严格样本外计算，不能用首批样本冒充完成。"
  }
}
