Tools
Free Trading Calculators
Run the numbers on a setup before you risk capital. Every tool here is free, runs in your browser, and needs no signup.
Risk-Reward Ratio Calculator
Enter entry, stop loss, and target to get your R:R ratio and the minimum win rate you need to break even.
Open calculator →CPR Calculator
Enter the prior session's high, low, and close to get Pivot, TC, BC, CPR width, and the R1-R4 / S1-S4 pivot levels.
Open calculator →Kelly Criterion Calculator
Enter your win rate and win/loss ratio to get the full Kelly position size, plus the half-Kelly and quarter-Kelly fractions used in practice.
Open calculator →Position Size Calculator
Enter account capital, risk %, entry, and stop loss to get your position size in units and the number of whole F&O lots that fits your risk budget.
Open calculator →Put-Call Ratio (PCR) Calculator
Enter total put and call open interest or volume to get your PCR and the sentiment band it falls into.
Open calculator →Always paper trade first. These calculators are analytical tools to help you evaluate a setup before you risk capital — they are not investment advice and do not guarantee results. Test any strategy on a paper account before trading it live.
Looking for definitions instead of calculators? Browse the Quantzee trading glossary →