{
  "title": "Gamma flip publication validation - September 9, 2026",
  "scope": "Aggregate results from frozen historical captures, not raw-chain data, a trading backtest or a production SLO.",
  "correctness_commit": "eb993a6b1144749e9dcd2b191c7791d92096543e",
  "optimized_commit": "2a83697be3f67e5f8eeffa1f0bd4710d98dbd7f6",
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    "gamma-flip-review-certificate-results.json": "92b730ef4a0caabe2842281660404fc85e8e808e7633478c84b2be58aaa923e9",
    "gamma-flip-performance-equivalence-results.json": "e240fee1b3f1fe47542d2517470523c5fc3511ead30f675ade6bfc07ce828d39",
    "gamma-flip-http-full-spx-available-results.json": "7d629e9d1d8ffec6cb6874e4d2fdcbc8afe8c408f6e20e88dc35eac97596b348"
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  "captures": 4575,
  "symbols": [
    "SPXW",
    "SPY",
    "QQQ",
    "IWM",
    "NVDA",
    "TSLA",
    "META"
  ],
  "requested_dte": [
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    7,
    28
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  "model_numeric": 3486,
  "published": 1613,
  "withheld": 2962,
  "published_pct": 35.2568306010929,
  "withheld_pct": 64.74316939890711,
  "populations": [
    {
      "file": "quality-development-20260908.json.gz",
      "captures": 2412,
      "published": 663
    },
    {
      "file": "quality-holdout-20260908.json.gz",
      "captures": 1083,
      "published": 251
    },
    {
      "file": "quality-intraday-holdout-20260908.json.gz",
      "captures": 1080,
      "published": 699
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  ],
  "certificate": {
    "variants": 319405,
    "numericVariants": 318876,
    "rawNulls": 529,
    "cappedVariants": 22267,
    "maxMovePct": 0.09999813072303003,
    "violations": 0
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  "publication_perturbation_sweep": {
    "chains": 4575,
    "calls": 647574,
    "maxSearchWork": 4000,
    "maxQualityWork": 400582,
    "qualityBudgetViolations": 0,
    "invariantFailures": [],
    "outcomes": {
      "uncertain_root_path": 7245,
      "success": 301427,
      "stored_sign_mismatch": 24028,
      "sensitive_root": 191139,
      "insufficient_local_coverage": 21900,
      "insufficient_quote_quality": 37262,
      "no_boundary": 74156,
      "immaterial_root": 1186,
      "unresolved_search": 869,
      "weak_shoulders": 1898,
      "one_sign_or_cancelled": 146,
      "search_budget": 7,
      "no_priced_exposure": 17,
      "quality_budget": 17,
      "unsupported_spot_root": 2
    },
    "totals": {
      "trials": 647574,
      "paired": 294508,
      "movesOverPointOnePct": 0,
      "lost": 2630,
      "gained": 2080
    },
    "max_move_pct": 0.09999813072303003
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  "optimization_equivalence": {
    "captures": 4575,
    "differences": [],
    "scope": "Lossless performance changes versus immutable eb2a7e74f API: exact decimal bits for raw model roots and published values, identical status and model/publication search-work and quality-work counts. Prepared baseline-width path is exercised by actual AssessGammaFlip."
  },
  "http_full_spx": {
    "scope": "Local loopback Kestrel, real HistoryExposureController MVC routing and JSON serialization; frozen loader replaces DB. Growth claim fixed. Excludes DB/network upstream, authentication/quota/envelope/compression middleware. Not a deployed SLO.",
    "methodology": "Closed-loop Python urllib client, one in-flight request per worker, fresh HTTP connection per request; latency starts in worker (executor queue excluded). Nearest-rank percentiles. Process-wide .NET allocation delta includes server/background/counter overhead; Python allocations excluded. Warmup per endpoint; concurrency phases ordered 1,8.",
    "datasets": [
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        "symbol": "SPXW",
        "at": "2026-09-04T10:00:00",
        "legs": 19524,
        "expirations": 42,
        "positive_oi_and_gamma_legs": 11564,
        "source": "https://historical.flashalpha.com/v1/optionquote/SPXW?at=2026-09-04T10:00:00",
        "sha256": "62f891756686c87f329dc08874ad67c0d1801a1344320dd5a5dab012675559bc"
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  "limitations": [
    "Selected captures do not establish availability for every symbol or session.",
    "Stress tests cover discrete single-strike variants, not all intermediate or simultaneous changes.",
    "The exhaustive sweep precedes lossless optimization; exact baseline equivalence was checked separately afterward.",
    "No live ingestion parity, trading profitability or deployed latency guarantee."
  ]
}