Immutable research result
Bull-Trend Call Debit Vertical — 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 |
|---|---|---|---|---|---|---|
| Training52 completed, 2 skipped | +2.48% | +1.13% | +65.38% | 1.20 | 0.27 | −4.15% |
| Validation11 completed, 0 skipped | +0.07% | −0.15% | +63.64% | 1.02 | 0.03 | −2.77% |
RESEARCH RECORD ID
fba0847769ce…
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.