VERIFIED PAPER CASE · 5 MIN
BTC 5-Minute Signal Post-Mortem: +17.44 pp Edge
Bitcoin Up or Down - July 29, 6:50PM-6:55PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.5%Marx Fair UP 0.5%
Jul 29, 10:51 PMJul 29, 10:53 PMJul 29, 10:55 PMJul 29, 10:57 PMJul 29, 10:59 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-29T22:51:04.446Z | 65.5% | 93.5% | +28.0 pp |
| 2026-07-29T22:51:17.393Z | 50.5% | 93.5% | +43.0 pp |
| 2026-07-29T22:51:47.842Z | 65.5% | 65.5% | +0.0 pp |
| 2026-07-29T22:51:57.308Z | 65.5% | 65.5% | +0.0 pp |
| 2026-07-29T22:52:42.247Z | 65.5% | 97.5% | +32.0 pp |
| 2026-07-29T22:53:18.457Z | 65.5% | 97.5% | +32.0 pp |
| 2026-07-29T22:53:43.106Z | 65.5% | 97.5% | +32.0 pp |
| 2026-07-29T22:54:42.647Z | 65.5% | 65.5% | +0.0 pp |
| 2026-07-29T22:54:55.596Z | 65.5% | 65.5% | +0.0 pp |
| 2026-07-29T22:55:16.187Z | 65.5% | 99.9% | +34.4 pp |
| 2026-07-29T22:55:42.708Z | 65.5% | 99.9% | +34.4 pp |
| 2026-07-29T22:56:43.712Z | 67.5% | 67.5% | +0.0 pp |
| 2026-07-29T22:57:15.928Z | 67.5% | 67.5% | +0.0 pp |
| 2026-07-29T22:58:44.641Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T22:59:11.176Z | 0.5% | 0.5% | +0.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 30.3% while the Polymarket UP price was 50.5%.
- The executable DOWN entry was 50.0¢ with a net modeled edge of 17.4 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 21.6%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 19.3%. Marx fair UP is 28.4%.