Immutable research result
Call Broken-Wing Butterfly — Weekly
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 |
|---|---|---|---|---|---|---|
| Training35 completed, 0 skipped | −3.35% | −4.81% | +54.29% | 0.57 | -0.46 | −4.84% |
| Validation6 completed, 0 skipped | +0.93% | +0.34% | +50.00% | 1.64 | 0.46 | −1.30% |
RESEARCH RECORD ID
fba0847769ce…
The strategy, protocol, data snapshots, costs and deterministic assumptions are fingerprinted together.
PAPER-OBSERVATION DECISION
Paper observation candidate
ROI, adverse-cost ROI, and Sharpe were positive, and modeled risk is bounded or fully collateralized. The failed historical gate was sample size, so prospective paper observation is appropriate; this is not validation or live approval.