VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +46.45 pp Edge
Ethereum Up or Down - July 28, 3:15PM-3:20PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.0%Marx Fair UP 0.5%
Jul 28, 07:16 PMJul 28, 07:18 PMJul 28, 07:20 PMJul 28, 07:22 PMJul 28, 07:24 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T19:16:40.203Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T19:17:44.653Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T19:18:40.127Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T19:19:41.004Z | 16.5% | 0.0% | -16.5 pp |
| 2026-07-28T19:20:40.177Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T19:20:46.639Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T19:21:40.449Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T19:22:41.711Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T19:22:45.058Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T19:23:41.902Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T19:24:41.100Z | 0.0% | 0.5% | +0.5 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 51.3¢ with a net modeled edge of 46.5 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 57.0%, gross edge 43.0%, slippage 0.0%, fee 1.7%, safety 0.5%, net edge 40.8%. Marx fair UP is 0.0%.