VERIFIED PAPER CASE · 5 MIN
BTC 5-Minute Signal Post-Mortem: +48.27 pp Edge
Bitcoin Up or Down - July 28, 1:40AM-1:45AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 90.5%Marx Fair UP 90.5%
Jul 28, 05:40 AMJul 28, 05:42 AMJul 28, 05:45 AMJul 28, 05:47 AMJul 28, 05:49 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T05:40:34.965Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T05:41:42.687Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T05:43:34.106Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T05:43:41.725Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T05:44:02.218Z | 96.5% | 0.0% | -96.5 pp |
| 2026-07-28T05:44:30.907Z | 96.5% | 0.0% | -96.5 pp |
| 2026-07-28T05:45:30.905Z | 96.5% | 96.5% | -0.0 pp |
| 2026-07-28T05:45:39.772Z | 96.5% | 96.5% | -0.0 pp |
| 2026-07-28T05:45:44.811Z | 96.5% | 0.0% | -96.5 pp |
| 2026-07-28T05:46:30.977Z | 96.5% | 0.0% | -96.5 pp |
| 2026-07-28T05:47:30.932Z | 96.5% | 96.5% | -0.0 pp |
| 2026-07-28T05:47:34.796Z | 96.5% | 96.5% | -0.0 pp |
| 2026-07-28T05:48:30.792Z | 96.5% | 96.5% | -0.0 pp |
| 2026-07-28T05:49:30.816Z | 90.5% | 90.5% | -0.0 pp |
| 2026-07-28T05:49:39.675Z | 90.5% | 90.5% | -0.0 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 49.5¢ with a net modeled edge of 48.3 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 49.5%, gross edge 51.0%, slippage 0.5%, fee 1.7%, safety 0.5%, net edge 48.3%. Marx fair UP is 0.0%.