VERIFIED PAPER CASE · 15 MIN
BTC 15-Minute Signal Post-Mortem: +30.45 pp Edge
Bitcoin Up or Down - July 29, 12:15PM-12:30PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 65.5%Marx Fair UP 97.9%
Jul 29, 04:15 PMJul 29, 04:15 PMJul 29, 04:16 PMJul 29, 04:16 PMJul 29, 04:17 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-29T16:15:18.216Z | 51.5% | 96.7% | +45.2 pp |
| 2026-07-29T16:17:18.020Z | 65.5% | 97.9% | +32.4 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 84.7% while the Polymarket UP price was 50.5%.
- The executable UP entry was 52.0¢ with a net modeled edge of 30.4 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 UP: $100 VWAP 52.0%, gross edge 32.7%, slippage 0.0%, fee 1.7%, safety 0.5%, net edge 30.4%. Marx fair UP is 84.7%.