{
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  "source_acquisition_record": "C:\\Users\\Administrator\\Documents\\ChatGPT\\长期投资系统\\outputs\\持续推进-2026-11-07\\3号接口探索\\服务器路径实测原包.json",
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  "window": [
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      "not_cash_transfer": true,
      "tradable_signal_allowed": false
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    {
      "date": "2026-09-23",
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      "net_creation_units_50000": 100.0,
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      "share_change_valued_at_end_nav_usd": 3838051235.0,
      "aum_change_usd": -2241554161.369995,
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      "dividend_per_unit_from_yahoo": 0,
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      "not_cash_transfer": true,
      "tradable_signal_allowed": false
    },
    {
      "date": "2026-09-24",
      "prior_date": "2026-09-23",
      "share_change": 19450000.0,
      "net_creation_units_50000": 389.0,
      "split_ratio_used": 1.0,
      "share_change_valued_at_end_nav_usd": 14926635218.099998,
      "aum_change_usd": 14744411637.169922,
      "old_shares_nav_change_usd": -182224267.53073022,
      "reconciliation_residual_usd": 686.6006536185741,
      "rounding_bound_usd": 1057.067116,
      "dividend_per_unit_from_yahoo": 0,
      "aum_residual_using_nav_total_return_usd": 14926635904.665894,
      "dividend_adjustment_needed_usd": 0,
      "not_cash_transfer": true,
      "tradable_signal_allowed": false
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  "dividend_event_source": {
    "file": "C:\\Users\\Administrator\\Documents\\ChatGPT\\长期投资系统\\outputs\\持续推进-2026-11-07\\3号接口探索\\路径原件\\yahoo_r2_SPY.json",
    "sha256": "23a72da3141a71bedbb13222718bc7c061d01e6c9bc506e9c6d1544b7fad060e",
    "ex_date": "2026-09-18",
    "cash": 1.889,
    "official_cash_amount_reverified": false
  },
  "split_evidence": "No split returned in this window by saved Yahoo action response; share changes are 50000-unit multiples and no reciprocal discontinuity observed. This is a window screen, not complete official split certification.",
  "economic_guard_cases": [
    {
      "name": "price_change_only",
      "prev_shares": 100,
      "shares": 100,
      "nav": 110,
      "split": 1,
      "expected": 0,
      "calculated": 0
    },
    {
      "name": "cash_distribution_only",
      "prev_shares": 100,
      "shares": 100,
      "nav": 98,
      "split": 1,
      "expected": 0,
      "calculated": 0
    },
    {
      "name": "two_for_one_split_only",
      "prev_shares": 100,
      "shares": 200,
      "nav": 50,
      "split": 2,
      "expected": 0,
      "calculated": 0
    },
    {
      "name": "split_plus_ten_new_current_units",
      "prev_shares": 100,
      "shares": 210,
      "nav": 50,
      "split": 2,
      "expected": 500,
      "calculated": 500
    }
  ],
  "conclusion": "Arithmetic and creation-unit plausibility pass in small window; approved for retrospective measurement diagnostics only, not investor cash flow or historical tradable signal.",
  "first_publication_at": null,
  "historical_revision_series": null,
  "production_approved": false
}