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All core tools are free forever. Upgrade for unlimited AI analysis and advanced features.
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| Feature | Free | Premium |
|---|---|---|
| Kelly Criterion Calculator | ✓ | ✓ |
| EV Calculator | ✓ | ✓ |
| Arbitrage Scanner | ✓ | ✓ |
| Parlay Builder | ✓ | ✓ |
| Market Browser | ✓ | ✓ |
| Portfolio Tracker | ✓ | ✓ |
| Calibration Tracker | ✓ | ✓ |
| AI Market Analyzer | 1/day | Unlimited ⭐ |
| PDF Report Export | — | ✓ ⭐ |
| Multi-position Kelly sizing | — | ✓ ⭐ |
| Priority email support | — | ✓ ⭐ |
“Kelly + EV calculator side-by-side changed how I size every position. Finally stopped guessing.”
Marcus T.
Active prediction-market user, ~120 markets resolved
“The calibration tracker showed me I was overconfident on political markets by 12 points. Fixed my edge.”
Sarah K.
Forecaster on Metaculus + Kalshi
“Arbitrage scanner caught a 7-cent Kalshi/Polymarket spread in 30 seconds. Paid for itself in one research session.”
Dev R.
Quant background, ~3 years prediction markets
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