What is Position Sizing + Kelly best used for?
Risk-based position size and Kelly fraction. This page explains the main inputs and output interpretation before you switch into the full calculator.
Calculator Guide
Use our free Position Sizing + Kelly calculator to risk-based position size and kelly fraction. Understand key inputs, see worked examples, and get instant results.
Risk-based position size and Kelly fraction. This page explains the main inputs and output interpretation before you switch into the full calculator.
Use the interactive tool when you already know your assumptions and want detailed tables, charts, or CSV export.
The formula uses the following inputs: Capital, Risk per Trade (%), Entry Price, Stop Price. Enter them in the calculator above to get precise results.
Yes, The Capital Deck's Position Sizing + Kelly is completely free with no sign-up required.
Yes, the calculator works on all modern browsers on desktop and mobile devices.
NPV
Calculate Net Present Value (NPV) of future cash flows using your discount rate. Evaluate project viability and compare investment alternatives. Free NPV calculator.
IRR
Calculate Internal Rate of Return (IRR) for periodic cash flows — evaluate project profitability and compare investment opportunities. Free online IRR calculator.
XIRR
Calculate Extended Internal Rate of Return (XIRR) for investments with irregular cash flows and dates. Free online XIRR calculator with step-by-step results.
Payback Period
Time to recover initial outlay from cashflows.