Free Day Trading Calculators

Enter your account size, risk %, and stop loss — get the exact number of shares or contracts to buy. Works for stocks, crypto, forex, and futures.

Plug in your entry, stop loss, and target. Instantly see if the R:R makes the trade worth taking.

Set your risk per trade using support levels or fixed percentages. Stop blowing accounts.

The mathematically optimal bet size based on your win rate and average payoff. Used by hedge funds and professional gamblers.

See exactly how many losing trades it takes to hit a specific drawdown at your risk level. Know your worst case before it happens.

Monte Carlo simulation with 1,000+ scenarios. See the realistic distribution of outcomes based on your actual win rate and risk parameters.

Calculate the real compound annual growth rate of any investment. Cuts through the noise of raw returns.

Calculate margin requirements, buying power, and the exact price where you get margin called.

Build any multi-leg options strategy and see the full P&L chart at expiration. Calls, puts, spreads — all visualized.

Get the exact dollar value of a pip for any forex pair in your account currency. Majors, minors, and exotics.

Enter your risk % and stop loss distance — get the correct lot size. No more over-leveraging forex trades.