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Description
Arbitrage calculator for prediction markets and exchanges. Alt+click any price on any website to compare and compute stakes locally. ArbCalc Pro is a universal arbitrage calculator that works on any website. Alt+click any price or value to add it to the calculator — the widget instantly shows stake sizes and guaranteed profit for both legs. Supports prediction markets, crypto exchanges, and any other trading platform. All calculations run locally in your browser. No data is sent to external servers.