Trader Tools

Position Size Calculator

Know exactly how many shares to buy before you enter a trade. Enter your capital, risk % and prices — get your ideal quantity, investment and risk-reward ratio instantly.

Trade Inputs

Enter your values — everything recalculates live.

Recommended Position Size

enter all valid inputs

Risk Amount

Risk Per Share

Investment

Potential Profit

Risk-Reward Ratio

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.