By utilizing Polymarket promo code STIFFS, new customers can seamlessly claim a generous welcome offer ahead of Sunday’s MLB games. This straightforward promotion unlocks $50 in bonuses after making an initial deposit of $20 or more. Click here to start signing up.
Once activated, this welcome offer can be used to trade on Sunday’s MLB action, as well as for any MLB games this week, ensuring you have extra capital to engage with all of the upcoming prediction markets. Polymarket provides players with a unique way to get in on the action throughout the week.
Polymarket Promo Code STIFFS Unlocks $50 Bonus
| Polymarket Promo Code | STIFFS |
|---|---|
| New User Offer | Deposit $20 or more to win $50 in bonuses |
| Terms and Conditions | 18+ and Present in the US |
| Bonus Last Verified On | May 31, 2026 |
To take full advantage of the baseball schedule, eligible sports fans can utilize the current welcome offer specifically designed for new Polymarket customers. By registering with the designated promo code, new users are entitled to receive $50 in bonuses. To officially unlock this bonus capital, you must successfully complete an initial account deposit of $20 or more.
Once your initial deposit clears and your bonus is active, you can immediately begin trading on Sunday’s exciting MLB slate. Whether you want to back the New York Yankees on the road against the Oakland Athletics, take a stance on the highly anticipated matchup between the Philadelphia Phillies and the Los Angeles Dodgers, or look at the National League Central clash between the Chicago Cubs and St. Louis Cardinals, this promotion provides excellent added value. Please note that to participate, users must be 18 years of age or older and physically located within an eligible Polymarket state.
Use Your Polymarket MLB Promo on Sunday’s Markets
| Matchup | Probability |
|---|---|
| NYY @ ATH | NYY 61% / ATH 40% |
| PHI @ LAD | PHI 34% / LAD 67% |
| CHC @ STL | CHC 51% / STL 50% |
Looking closer at that marquee PHI @ LAD matchup, Los Angeles justifies its strong probability across the stat sheet. The Dodgers boast a robust .261 team batting average and a .785 OPS, resulting in 305 total runs scored. This offensive output heavily overshadows the Phillies, who are hitting just .225 with a .675 OPS and 229 runs. On the mound, the Dodgers’ pitching staff holds a stellar 3.11 team ERA and a 1.07 WHIP, making them a demonstrably safer market position than a Philadelphia staff carrying a 3.96 ERA and a 1.29 WHIP into the contest.
Beyond the diamond, your Polymarket capital can also be deployed across other major sports prediction markets. The NBA Finals and Stanley Cup Final are set to begin this week.
How to Activate Polymarket Promo Code STIFFS
Ready to get in on the action for the Sunday MLB slate? Claiming your welcome offer is a straightforward process. Follow these simple steps to activate the offer before the first pitch:
- Register Your Account: Create a new account by providing standard personal information.
- Verify Your Identity: Provide valid proof of identification to secure and verify your account.
- Use the Promo Code: During the registration process, make sure to enter the promo code STIFFS.
- Fund Your Account: Make a first-time deposit of at least $20 to officially activate the offer and begin trading on the MLB matchups.
