Trader Tools
Position Size Calculator
Know exactly how many shares to buy before you enter a trade. Enter your capital, risk % and prices, then click Calculate Position Size to get your ideal quantity, investment, profit and risk-reward ratio.
Trade Inputs
Enter your values, then click the button below to calculate.
Your results will appear here
Fill in all fields and click the Calculate button to view your position size, risk and reward.
Risk Boundary %
The maximum % of capital you're willing to lose if stop loss hits. Pros usually risk 1–2% per trade.
Risk Per Share
The distance between your buy price and stop loss — how much you lose per share if stopped out.
Risk-Reward Ratio
Profit potential vs. risk. A 1:2 ratio means you aim to make twice what you risk. Higher is better.