Take advantage of Kalshi promo code WTOP15 in time for Thursday’s MLB games and make $25 in trades to unlock up to $500 in total bonuses. Click here to get in on the action.
This welcome offer provides a compelling reason to jump into Thursday’s MLB matchups, which feature high-leverage situations like the New York Yankees (61-47) taking on the Chicago White Sox (56-51) and the Chicago Cubs (61-47) battling the St. Louis Cardinals (54-54). This promotion offers excellent flexibility, as the trading bonus can be used for these upcoming matchups, any MLB game this week, or any other market on Kalshi.
| Kalshi Promo Code | WTOP15 |
|---|---|
| New User Offer | Mystery trading bonus (up to $500) |
| Terms and Conditions | 18+ and Present in the US |
| Bonus Last Verified On | July 30, 2026 |
Available exclusively to new Kalshi customers, this welcome offer provides a randomized trading bonus that aligns perfectly with the action-packed MLB slate. Under the current promotion structure, the bonus amount varies by user:
Once registered, new users can explore a variety of prediction markets for intriguing matchups, whether backing the Miami Marlins against the New York Mets or projecting the outcome of the Chicago Cubs taking on the St. Louis Cardinals. To claim this tiered bonus, new users must make a first-time deposit of at least $1. The bonus is officially unlocked after making $25 in total trades on Kalshi’s prediction markets. Kalshi is uniquely available in all 50 states, and users must be at least 18 years of age to participate.
| Matchup | Probability |
|---|---|
| MIA @ NYM | MIA 47% NYM 53% |
| CHC @ STL | CHC 48% STL 52% |
| NYY @ CHW | NYY 48% CHW 52% |
Before locking in your trades, taking a look at team statistics can help highlight the smarter position. In the MIA @ NYM matchup, Miami holds an edge offensively, boasting a .251 team batting average compared to New York’s .234 mark. On the mound, the Marlins also feature a slightly better staff ERA (4.09) than the Mets (4.13), signaling potential value on the road team.
Meanwhile, in the CHC @ STL game, the Cubs bring a .248 batting average into the matchup against a Cardinals pitching staff carrying a 4.18 ERA. St. Louis has struggled slightly more at the plate with a .239 average, creating an intriguing toss-up where the stats suggest the Cubs could be a sharp play on the prediction markets.
Ready to get in on the MLB action and start trading on matchups like the Yankees vs. White Sox or the Cubs vs. Cardinals? Claiming your welcome offer is a quick and straightforward process. Follow the steps below to ensure your account is set up and your bonus is secured:
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