polymarket is offering new customers a $50 sign up bonus after they make an initial deposit of at least $20 and enter promo code WTOP.
The offer applies only to new accounts, requires users to be 18 or older, and is restricted to those physically located in eligible US states.
Once the qualifying deposit is processed the bonus activates and can be used across the platform's markets for professional sports and other prediction events.
The promotion highlights major league baseball matchups on the day's slate and also notes available markets for the NHL, NBA, PGA Championship, and MVP MMA.
How To Claim And Market Details
To unlock the bonus users must register, verify their identity, enter promo code WTOP during sign up, and complete a first time deposit of at least $20.
The promotion states the $50 bonus becomes available after the qualifying deposit processes and then may be deployed on the platform's trading markets.
Polymarket materials list several specific MLB matchups available to trade, including New York Yankees against New York Mets and Boston Red Sox against Atlanta Braves.
The publication provides matchup probabilities for those contests, as reported, showing the Yankees at 53 percent and the Mets at 48 percent, and the Red Sox at 47 percent and the Braves at 54 percent.
It also lists the Los Angeles Dodgers facing the Los Angeles Angels, with probabilities as reported at Dodgers 56 percent and Angels 44 percent.
When describing the Freeway Series, the promotion cites team statistics as reported, stating the Dodgers have a .262 team batting average and a 3.29 staff ERA, while the Angels have a .228 batting average and a 4.59 ERA.
The Red Sox at Braves matchup is presented with Atlanta backed by strong numbers, as reported, including a .268 team batting average and a 2.99 team ERA.
Beyond baseball, the promotional copy notes users may apply bonus funds to prediction markets across the NHL, NBA, PGA Championship, and MVP MMA.
