5% = break-even after fees. 8%+ = strong edge. 15%+ = rare but very high conviction.
DATA SOURCES
Polymarket Gamma API
Free · no key needed
LIVE
Open-Meteo ECMWF
Free · no key needed
LIVE
Scan interval
Auto
15 MIN
ECMWF updates
00/06/12/18 UTC
4x/DAY
SCAN LOG
No scans yet
HOW TO USE
1. Wait for AMBER alert — edge found 2. Check recommended bet details 3. Click "Open on Polymarket" 4. Place the exact bet shown 5. Click "Place Bet & Track" 6. Enter amount you staked 7. Mark Won/Lost when resolved
Only bet when edge ≥ 5% (net of fees). Follow Kelly sizes — never bet more.