VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +47.75 pp Edge
Ethereum Up or Down - July 28, 6:30AM-6:35AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 99.5%
Jul 28, 10:30 AMJul 28, 10:32 AMJul 28, 10:34 AMJul 28, 10:36 AMJul 28, 10:38 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T10:30:02.917Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T10:30:47.555Z | 59.5% | 0.0% | -59.5 pp |
| 2026-07-28T10:31:30.946Z | 59.5% | 59.5% | +0.0 pp |
| 2026-07-28T10:31:34.911Z | 59.5% | 59.5% | +0.0 pp |
| 2026-07-28T10:31:55.109Z | 59.5% | 0.0% | -59.5 pp |
| 2026-07-28T10:32:32.105Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T10:33:39.175Z | 59.5% | 59.5% | +0.0 pp |
| 2026-07-28T10:33:55.617Z | 59.5% | 0.0% | -59.5 pp |
| 2026-07-28T10:35:44.484Z | 59.5% | 59.5% | +0.0 pp |
| 2026-07-28T10:35:54.927Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T10:36:00.524Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T10:36:31.199Z | 99.5% | 0.0% | -99.5 pp |
| 2026-07-28T10:37:51.099Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T10:38:08.878Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-28T10:38:37.058Z | 100.0% | 99.5% | -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 50.0¢ with a net modeled edge of 47.7 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 50.0%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 47.7%. Marx fair UP is 0.0%.