VERIFIED PAPER CASE · 15 MIN
BTC 15-Minute Signal Post-Mortem: +88.64 pp Edge
Bitcoin Up or Down - July 27, 10:45PM-11:00PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 100.0%
Jul 28, 02:45 AMJul 28, 02:49 AMJul 28, 02:54 AMJul 28, 02:58 AMJul 28, 03:02 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T02:45:31.316Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:45:40.385Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:45:42.130Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:46:32.241Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:47:31.213Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:47:35.452Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:47:47.506Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:47:47.766Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:48:32.204Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:49:31.141Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:49:39.524Z | 60.5% | 60.5% | +0.0 pp |
| 2026-07-28T02:49:41.877Z | 60.5% | 0.0% | -60.5 pp |
| 2026-07-28T02:50:32.147Z | 45.5% | 0.0% | -45.5 pp |
| 2026-07-28T02:51:31.095Z | 45.5% | 45.5% | +0.0 pp |
| 2026-07-28T02:51:34.474Z | 45.5% | 45.5% | +0.0 pp |
| 2026-07-28T02:51:40.196Z | 62.5% | 0.0% | -62.5 pp |
| 2026-07-28T02:52:33.658Z | 65.5% | 0.0% | -65.5 pp |
| 2026-07-28T02:53:49.280Z | 91.5% | 0.0% | -91.5 pp |
| 2026-07-28T02:54:32.261Z | 91.5% | 0.0% | -91.5 pp |
| 2026-07-28T02:55:32.103Z | 88.5% | 0.0% | -88.5 pp |
| 2026-07-28T02:56:32.370Z | 88.5% | 0.0% | -88.5 pp |
| 2026-07-28T02:57:31.444Z | 91.5% | 100.0% | +8.5 pp |
| 2026-07-28T02:58:32.222Z | 99.9% | 100.0% | +0.1 pp |
| 2026-07-28T02:59:31.272Z | 99.9% | 100.0% | +0.1 pp |
| 2026-07-28T03:00:32.298Z | 100.0% | 100.0% | +0.0 pp |
| 2026-07-28T03:01:31.129Z | 100.0% | 100.0% | +0.0 pp |
| 2026-07-28T03:01:38.183Z | 100.0% | 100.0% | +0.0 pp |
| 2026-07-28T03:02:32.337Z | 100.0% | 100.0% | +0.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 62.5%.
- The executable DOWN entry was 10.2¢ with a net modeled edge of 88.6 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 10.2%, gross edge 91.0%, slippage 1.2%, fee 0.6%, safety 0.5%, net edge 88.6%. Marx fair UP is 0.0%.