
Smarter Prediction
Market Trading
Free calculators, guides, and strategies for Polymarket traders. Hedge positions, detect arbitrage, and understand your risk — all in one place.
⚡ Open CalculatorHedge & Arbitrage Calculator
Real-time Polymarket feed with position PnL, hedge calculator, and cross-market arbitrage detector. Click any market to auto-fill.
How to Hedge a Prediction Market Position
Already in profit? Learn how to lock in guaranteed returns by buying the opposite side — regardless of the final outcome.
Cross-Market Arbitrage on Polymarket
Discover how price divergence between two markets creates risk-free profit opportunities — and how to calculate the exact trade.
Understanding PnL in Prediction Markets
Unrealized vs. realized profit, max payout, ROI — learn how to read your position value clearly before you exit.
Responsible Trading & Problem Gambling Help
Trading can be addictive. Learn the warning signs and find free, confidential support resources in the US and worldwide.
Live Polymarket Data
Real-time market feed updated every 60 seconds via Polymarket's public API.
Fee-Adjusted Calculations
All profit calculations automatically account for Polymarket's taker fees.
No Account Required
Fully free, no sign-up, no tracking. Just open and calculate.