VERIFIED PAPER CASE · 5 MIN
BTC 5-Minute Signal Post-Mortem: +47.75 pp Edge
Bitcoin Up or Down - July 27, 10:35PM-10:40PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 2.5%Marx Fair UP 36.5%
Jul 28, 02:35 AMJul 28, 02:37 AMJul 28, 02:40 AMJul 28, 02:42 AMJul 28, 02:44 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T02:35:39.515Z | 45.5% | 45.5% | +0.0 pp |
| 2026-07-28T02:35:55.665Z | 45.5% | 0.0% | -45.5 pp |
| 2026-07-28T02:36:32.149Z | 45.5% | 0.0% | -45.5 pp |
| 2026-07-28T02:37:34.981Z | 45.5% | 45.5% | +0.0 pp |
| 2026-07-28T02:37:52.018Z | 45.5% | 45.5% | +0.0 pp |
| 2026-07-28T02:38:10.468Z | 45.5% | 0.0% | -45.5 pp |
| 2026-07-28T02:38:49.695Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T02:39:31.130Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:39:34.555Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:40:06.651Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T02:40:31.099Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T02:41:31.082Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:42:32.266Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:42:34.642Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:43:31.036Z | 36.5% | 36.5% | +0.0 pp |
| 2026-07-28T02:44:32.151Z | 2.5% | 36.5% | +34.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 50.5%.
- The executable DOWN entry was 50.0¢ with a net modeled edge of 47.7 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 50.0%, gross edge 50.0%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 47.7%. Marx fair UP is 0.0%.