Free trading tools
Calculators and a strategy backtester for Indian stock, F&O, currency, commodity and crypto traders. The calculators need no login, no card and no email.
Strategy backtester
Type or say a strategy, or paste a YouTube link, and test it on real prices with a free account. Real examples are open to everyone. See every trade and the total in R, tweak it, then share it or open it in TradingView.
OpenBrokerage calculator
See every charge on a trade at Zerodha, Groww, Angel One, Upstox, Fyers, Dhan or 10 crypto exchanges: STT, exchange, SEBI, stamp duty and GST.
OpenPosition sizer
Get the quantity to buy from your account size, risk per trade and stop-loss. Works for F&O lots, forex, gold and crypto.
OpenCapital for 1 lot
Enter your entry and stop. See the account size you need to carry 1 lot at 1% or 2% risk. Nifty, Bank Nifty, stocks and crypto.
OpenExpectancy calculator
Enter your last 10 trades. Get your win rate, profit factor, expectancy and average R-multiple.
OpenNSE market calendar
Every NSE equity holiday in 2026, with a countdown to the next day the market is shut.
Open
See the habit behind your losses.
Log your trades and Edge shows what you make per trade across your whole history. Free, no card.