VERIFIED PAPER CASE · 5 MIN
BTC 5-Minute Signal Post-Mortem: +73.04 pp Edge
Bitcoin Up or Down - July 28, 4:15AM-4:20AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 99.5%
Jul 28, 08:15 AMJul 28, 08:17 AMJul 28, 08:20 AMJul 28, 08:22 AMJul 28, 08:24 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T08:15:37.116Z | 46.5% | 46.5% | +0.0 pp |
| 2026-07-28T08:15:39.158Z | 46.5% | 46.5% | +0.0 pp |
| 2026-07-28T08:15:56.845Z | 46.5% | 0.0% | -46.5 pp |
| 2026-07-28T08:16:30.816Z | 46.5% | 0.0% | -46.5 pp |
| 2026-07-28T08:17:31.033Z | 46.5% | 46.5% | +0.0 pp |
| 2026-07-28T08:17:33.724Z | 46.5% | 46.5% | +0.0 pp |
| 2026-07-28T08:17:54.030Z | 46.5% | 0.0% | -46.5 pp |
| 2026-07-28T08:18:30.837Z | 46.5% | 0.0% | -46.5 pp |
| 2026-07-28T08:19:30.803Z | 99.5% | 46.5% | -53.0 pp |
| 2026-07-28T08:19:38.798Z | 46.5% | 46.5% | +0.0 pp |
| 2026-07-28T08:19:49.404Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T08:19:54.730Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T08:19:54.806Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T08:20:32.126Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T08:21:30.974Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T08:21:33.527Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T08:22:33.900Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T08:23:34.547Z | 100.0% | 99.5% | -0.5 pp |
| 2026-07-28T08:23:40.441Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T08:24:30.905Z | 100.0% | 99.5% | -0.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 46.5%.
- The executable DOWN entry was 25.1¢ with a net modeled edge of 73.0 percentage points.
- Model confidence at the signal was 83.3%.
- Observed order-book spread at entry was 2.0¢.
MODEL NOTE
Marx AI inference
Buy DOWN: $100 VWAP 25.1%, gross edge 76.0%, slippage 1.1%, fee 1.3%, safety 0.5%, net edge 73.0%. Marx fair UP is 0.0%.