The latest U.S. World Cup odds on Polymarket make the United States a favorite to advance to the quarterfinals when it meets Belgium today in the Round of 16, priced at 53 cents compared to 48 cents ...

Kalshi and Polymarket are the two biggest names in prediction markets, and between them they control somewhere north of 85% of all U.S.-accessible volume. Both are CFTC-regulated. Both let you trade ...

The one detail worth underlining is timing. The code has to be applied while you are registering. Polymarket cannot attach it to an account after the fact, so a missed code means a forfeited bonus.

Polymarket has established itself as one of the top prediction market platforms for everything from the World Cup to world events, and claiming the best new Polymarket bonus takes just a few minutes.