Immutable research result
Put Credit Vertical
Training and validation use consecutive frozen historical stages. Missing or incomplete option lifecycles were skipped rather than priced by proxy.
Stage evidence
| Stage | ROI | Adverse ROI | Win rate | Profit factor | Sharpe | Max drawdown |
|---|---|---|---|---|---|---|
| Training10 completed, 1 skipped | −0.69% | −1.21% | +60.00% | 0.50 | -0.20 | −1.85% |
| Validation2 completed, 0 skipped | −1.02% | −1.03% | +50.00% | 0.09 | -0.65 | −1.34% |
RESEARCH RECORD ID
e828a6c1ea31…
The strategy, protocol, data snapshots, costs and deterministic assumptions are fingerprinted together.
PAPER-OBSERVATION DECISION
Historical evidence unfavorable
Validation ROI, adverse-cost ROI, or Sharpe was not positive. The blocker is observed performance, not merely data volume, so this version is not approved for paper observation.