{
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  "2026-08-25",
  "2026-08-26",
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  "2026-08-28",
  "2026-08-29",
  "2026-08-30",
  "2026-08-31",
  "2026-09-01",
  "2026-09-02",
  "2026-09-03",
  "2026-09-04",
  "2026-09-05"
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 "oos_day": "2026-09-06",
 "note": "报告仅供人工决策，不自动改线上参数；edge 为按信号方向的前向收益均值(bps，毛值未扣手续费)",
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