Country by country, a ballpark figure — never a tax return
What you did this year
gains − losses, after fees and funding; negative if a loss
Your file is read and calculated in your browser. Nothing is sent, nothing is stored. Your account ID and, for OKX, your name and verification status on the first line, are read then discarded: never displayed, never logged.
This simulator gives a ballpark figure, not an amount to declare. It deliberately ignores cases no text settles, does not know your personal situation and does not replace tax advice. Data checked on 3 September 2026. Nothing you enter here is transmitted or stored: everything is calculated in your browser.