Published September 03, 2026
3 min read
Polymarket Winnings Feel Invisible to the IRS. They Are Not
Prediction markets had a monster year. Election cycles, Fed decisions, sports, even weather: if it can resolve yes or no, someone is trading it on Polymarket. And because the on-chain platform never sends a tax form, a lot of traders have quietly decided their winnings do not exist as far as the IRS is concerned.
That assumption is wrong in two separate ways, and the second one catches even careful people off guard.
Author
Brian Dimick
