VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +47.75 pp Edge
Ethereum Up or Down - July 28, 7:50AM-7:55AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 66.5%Marx Fair UP 66.5%
Jul 28, 11:50 AMJul 28, 11:52 AMJul 28, 11:55 AMJul 28, 11:57 AMJul 28, 11:59 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T11:50:35.005Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T11:50:44.159Z | 44.5% | 44.5% | +0.0 pp |
| 2026-07-28T11:50:45.443Z | 44.5% | 44.5% | +0.0 pp |
| 2026-07-28T11:50:59.782Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T11:51:32.448Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T11:52:34.035Z | 44.5% | 44.5% | +0.0 pp |
| 2026-07-28T11:52:40.215Z | 44.5% | 44.5% | +0.0 pp |
| 2026-07-28T11:53:02.974Z | 44.5% | 0.0% | -44.5 pp |
| 2026-07-28T11:54:13.140Z | 54.5% | 54.5% | +0.0 pp |
| 2026-07-28T11:54:30.984Z | 66.5% | 54.5% | -12.0 pp |
| 2026-07-28T11:54:37.736Z | 54.5% | 54.5% | +0.0 pp |
| 2026-07-28T11:54:47.960Z | 66.5% | 66.5% | +0.0 pp |
| 2026-07-28T11:55:30.967Z | 66.5% | 0.0% | -66.5 pp |
| 2026-07-28T11:55:45.057Z | 66.5% | 0.0% | -66.5 pp |
| 2026-07-28T11:56:32.493Z | 66.5% | 0.0% | -66.5 pp |
| 2026-07-28T11:57:31.056Z | 66.5% | 66.5% | +0.0 pp |
| 2026-07-28T11:57:36.133Z | 66.5% | 66.5% | +0.0 pp |
| 2026-07-28T11:58:31.089Z | 66.5% | 66.5% | +0.0 pp |
| 2026-07-28T11:59:30.833Z | 66.5% | 66.5% | +0.0 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%.