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Practice, not just theory.
Plain-language calculators for real money decisions. Each one answers a question you actually face. Free. No sign-in.
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New to this? Three tools cover the highest-impact decisions in plain English.
Perpetual futures
Size perp positions and read funding before you click trade.
Funding Rate Scanner
Spot the best paying carry trade right now, on either exchange.
If you trade actively1 minWith Perp Coach Calculator
Open toolRisk of Ruin Simulator
See if your strategy actually survives the variance, before you risk real money.
If you trade actively1 minWith Perp Coach Calculator
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