Polymarket Offers $20 Sign-Up Bonus for NBA, MLB Predictions

Betting platform partners with WTOP to promote new user incentives.

Mar. 31, 2026 at 2:55am

Got story updates? Submit your updates here. ›

An abstract, energetic painting with bold, neon-colored brushstrokes representing the excitement and potential of sports betting and prediction markets.Polymarket's new user promotion taps into the thrill and potential rewards of sports prediction markets.Oklahoma City Today

Polymarket, a popular online prediction market, is offering a $20 sign-up bonus to new users who sign up using the promo code 'WTOP'. The bonus can be used to make bets on upcoming NBA and MLB games and events.

Why it matters

As sports betting continues to grow in popularity, prediction market platforms like Polymarket provide an alternative way for fans to engage with and profit from their sports knowledge. The WTOP promo code incentivizes new users to try out Polymarket's services, potentially expanding the platform's user base.

The details

The $20 sign-up bonus is available to new Polymarket users who register using the promo code 'WTOP'. The bonus can then be used to make bets on a variety of upcoming NBA and MLB games, series, and events. Polymarket allows users to buy and sell 'shares' that predict the outcome of these sporting events, providing an opportunity to profit off their sports knowledge.

  • The Polymarket promo code 'WTOP' is available starting March 31, 2026.

The players

Polymarket

An online prediction market platform that allows users to bet on the outcomes of various events, including sports games and elections.

Got photos? Submit your photos here. ›

What they’re saying

“We're excited to partner with WTOP to offer this sign-up bonus and introduce more sports fans to the Polymarket platform.”

— Shayne Coplan, CEO of Polymarket

What’s next

The Polymarket promo code 'WTOP' will be available until April 30, 2026.

The takeaway

This promotion provides an opportunity for sports fans to try out Polymarket's prediction market platform and potentially profit from their sports knowledge, further expanding the reach of this alternative betting model.