VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +47.75 pp Edge
Ethereum Up or Down - July 28, 12:30AM-12:35AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.1%Marx Fair UP 0.1%
Jul 28, 04:30 AMJul 28, 04:32 AMJul 28, 04:34 AMJul 28, 04:37 AMJul 28, 04:39 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T04:30:30.864Z | 34.5% | 34.5% | +0.0 pp |
| 2026-07-28T04:31:30.783Z | 34.5% | 34.5% | +0.0 pp |
| 2026-07-28T04:31:34.275Z | 34.5% | 34.5% | +0.0 pp |
| 2026-07-28T04:31:40.621Z | 34.5% | 0.0% | -34.5 pp |
| 2026-07-28T04:32:30.859Z | 34.5% | 0.0% | -34.5 pp |
| 2026-07-28T04:33:30.887Z | 4.5% | 0.0% | -4.5 pp |
| 2026-07-28T04:33:58.325Z | 4.5% | 0.0% | -4.5 pp |
| 2026-07-28T04:34:30.881Z | 4.5% | 0.0% | -4.5 pp |
| 2026-07-28T04:35:30.824Z | 0.1% | 0.0% | -0.0 pp |
| 2026-07-28T04:36:30.963Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-28T04:37:35.416Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-28T04:37:43.489Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-28T04:39:00.656Z | 0.0% | 0.1% | +0.1 pp |
| 2026-07-28T04:39:14.495Z | 0.1% | 0.1% | +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%.