VERIFIED PAPER CASE · 5 MIN
BTC 5-Minute Signal Post-Mortem: +28.59 pp Edge
Bitcoin Up or Down - July 29, 8:05PM-8:10PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 99.5%Marx Fair UP 99.5%
Jul 30, 12:05 AMJul 30, 12:07 AMJul 30, 12:09 AMJul 30, 12:11 AMJul 30, 12:13 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-30T00:05:17.483Z | 74.5% | 29.6% | -44.9 pp |
| 2026-07-30T00:06:54.591Z | 50.5% | 29.6% | -20.9 pp |
| 2026-07-30T00:07:52.321Z | 74.5% | 29.6% | -44.9 pp |
| 2026-07-30T00:08:54.365Z | 74.5% | 74.5% | +0.0 pp |
| 2026-07-30T00:08:58.538Z | 74.5% | 74.5% | +0.0 pp |
| 2026-07-30T00:09:03.862Z | 74.5% | 74.5% | +0.0 pp |
| 2026-07-30T00:09:45.098Z | 98.5% | 51.0% | -47.5 pp |
| 2026-07-30T00:09:53.052Z | 51.0% | 51.0% | +0.0 pp |
| 2026-07-30T00:10:06.726Z | 98.5% | 98.5% | +0.0 pp |
| 2026-07-30T00:10:49.315Z | 99.5% | 81.7% | -17.8 pp |
| 2026-07-30T00:11:06.327Z | 51.0% | 81.7% | +30.7 pp |
| 2026-07-30T00:11:30.273Z | 99.5% | 81.7% | -17.8 pp |
| 2026-07-30T00:11:42.596Z | 99.5% | 81.7% | -17.8 pp |
| 2026-07-30T00:13:29.833Z | 99.5% | 99.5% | +0.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 29.6% while the Polymarket UP price was 50.5%.
- The executable DOWN entry was 39.6¢ with a net modeled edge of 28.6 percentage points.
- Model confidence at the signal was 83.3%.
- Observed order-book spread at entry was 1.0¢.
MODEL NOTE
Marx AI inference
Buy DOWN: $100 VWAP 39.6%, gross edge 31.4%, slippage 0.6%, fee 1.7%, safety 0.5%, net edge 28.6%. Marx fair UP is 29.6%.