VERIFIED PAPER CASE · 1 HOUR
ETH 1-Hour Signal Post-Mortem: +59.55 pp Edge
Ethereum Up or Down - July 28, 5PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 0.0%
Jul 28, 09:07 PMJul 28, 09:19 PMJul 28, 09:31 PMJul 28, 09:44 PMJul 28, 09:56 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T21:07:16.945Z | 60.5% | 0.5% | -60.0 pp |
| 2026-07-28T21:14:55.078Z | 69.5% | 0.3% | -69.2 pp |
| 2026-07-28T21:23:16.508Z | 63.5% | 0.1% | -63.4 pp |
| 2026-07-28T21:38:17.935Z | 64.5% | 0.0% | -64.5 pp |
| 2026-07-28T21:53:20.099Z | 97.5% | 0.0% | -97.5 pp |
| 2026-07-28T21:56:40.901Z | 100.0% | 0.0% | -99.9 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.1% while the Polymarket UP price was 63.5%.
- The executable DOWN entry was 38.2¢ with a net modeled edge of 59.5 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 31.6%, gross edge 68.9%, slippage 0.6%, fee 1.5%, safety 0.5%, net edge 66.3%. Marx fair UP is 0.1%.