FREE TOOLS

The math every trade depends on.

Eleven calculators and simulators covering the numbers behind every trade — sizing, risk, expectancy, futures P&L, and more. Instant results for stocks, futures, forex, and crypto.

JUMP IN BY SITUATION

Sizing a tradeGrading a finished tradeStress-testing an edgePlanning futures riskRehearsing a challengeProjecting the year

100% free · no signup · no email gate · nothing leaves your browser

RISK MANAGEMENT

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Position Size Calculator

Enter your account size, risk percentage, entry, and stop — get the exact position size and dollars at risk.

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Kelly Criterion Calculator

Mathematically optimal bet sizing from your win rate and win/loss ratio — with full, half, and quarter Kelly.

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Drawdown Recovery Calculator

See the gain a drawdown really demands, and a realistic timeline to recover it from your own stats.

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Monte Carlo Simulator

Stress-test your edge: 1,000 randomized equity curves from your win rate and average win/loss.

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TRADE ANALYSIS

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Risk/Reward Calculator

Entry, stop, and target in — R:R ratio and the break-even win rate out. Know if a setup is worth taking.

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Profit/Loss Calculator

Net P&L, ROI, and R-multiple for any trade — long or short, after fees.

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Compound Growth Calculator

Watch a steady edge compound over weeks, months, and years — with or without contributions.

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FUTURES

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Futures Profit Calculator

P&L and position size for 30+ CME, NYMEX, COMEX, and CBOT contracts — ES, NQ, CL, GC, and the micros.

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TECHNICAL ANALYSIS

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Fibonacci Calculator

Every retracement and extension level from any swing high and low — uptrend or downtrend.

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OPTIONS

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Options Profit Calculator

Payoff diagrams, breakevens, and max profit/loss for calls, puts, spreads, and straddles.

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PROP FIRMS

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Prop Firm Challenge Simulator

Would you pass? Simulate hundreds of challenge attempts from your stats before paying for one.

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FAQ

Are these calculators really free?＋

Yes — every tool on this page is completely free, with no signup, no email gate, and no usage limits. They exist because traders who care about this math tend to care about journaling it too, and that's what TerraTrade sells.

How accurate are the results?＋

The calculators implement the standard formulas exactly — position sizing, Kelly, R:R, compounding — and the futures tool uses the exchanges' published tick sizes and values. Simulators are clearly labeled as simulations with their assumptions stated. What they can't know is your slippage, your fills, or the future; treat outputs as planning numbers, not predictions.

Do you store what I type into the calculators?＋

No. Every calculation runs in your browser — nothing you enter is sent to our servers, stored, or tracked. Close the tab and it's gone.

Which markets do the calculators work for?＋

The risk, sizing, and analysis tools are market-agnostic — stocks, ETFs, futures, forex, and crypto all work because the math operates on prices and percentages. The futures calculator is contract-aware, with real specs for 34 CME, CBOT, NYMEX, and COMEX products including the micros.

Where do the futures contract specifications come from?＋

From the standard contract specs published by the exchanges — CME, CBOT, NYMEX, and COMEX. Tick sizes and tick values are fixed by each contract's rulebook, not market data, so they don't go stale; still, confirm against your broker before trading size.

The calculators are free. The discipline is the product.

Connect a broker and TerraTrade runs this math on every trade you take — automatically, in a journal that learns how you trade.

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