By using Polymarket promo code STIFFS, new players can claim a $50 sign-up bonus after making an initial deposit of at least $20. Click here to start the registration process.
This welcome offer provides a straightforward way to boost your account balance ahead of this week’s MLB slate, which features the Boston Red Sox visiting the New York Yankees, the Los Angeles Angels taking on the Los Angeles Dodgers, and the New York Mets facing the San Diego Padres. Once activated, these bonus funds can be immediately used to trade on any of these baseball matchups on Polymarket.
Polymarket Promo Code STIFFS Unlocks $50 Deposit Bonus
| Polymarket Promo Code | STIFFS |
|---|---|
| New User Offer | $50 Bonus With $20+ Deposit |
| Terms and Conditions | 18+ and Present in the US |
| Bonus Last Verified On | June 7, 2026 |
For new Polymarket customers looking to participate in prediction markets, this promotional offer provides a structured starting point. By signing up and making an initial qualifying deposit of at least $20, you will unlock a $50 sign-up bonus. This extra capital allows you to take positions on an intriguing slate of MLB action, along with various active NBA and NHL markets.
To qualify for this offer, there are a few key requirements to keep in mind. This promotion is strictly reserved for new Polymarket customers creating their first account on the platform. Furthermore, all users must be 18+ and physically present in an eligible Polymarket state. Once your account is verified and your $20 minimum qualifying deposit clears, your $50 bonus will be unlocked and ready to deploy on the market.
Use Your Polymarket MLB Promo
| Matchup | Market Probability |
|---|---|
| BOS @ NYY | NYY 59% / BOS 42% |
| LAA @ LAD | LAA 34% / LAD 67% |
| NYM @ SDP | NYM 50% / SDS 51% |
When analyzing this rivalry to find the stronger position, the underlying statistics robustly support New York’s status as the heavy favorite. The Yankees feature a far more potent offense, having generated 318 runs and a .761 team OPS this season. In contrast, the Red Sox have struggled to match that production, tallying just 248 runs with a .698 OPS.
This advantage carries over to the mound as well. New York’s pitching staff boasts an excellent 3.30 combined ERA and a 1.17 WHIP. Boston’s staff has been respectable but trails behind with a 3.83 ERA and a 1.27 WHIP. Given these wide gaps in both run production and run prevention, the Yankees present the more compelling play in the market.
How to Activate Polymarket Promo Code STIFFS
To take advantage of this offer, you will need to use the promo code STIFFS when registering for a new account. Follow these simple steps to claim your bonus:
- Create an Account: Register for a new account by providing standard personal information.
- Verify Your Identity: Provide the necessary proof of identification to secure your account and comply with platform requirements.
- Enter the Promo Code: Make sure to enter promo code STIFFS during the sign-up process.
- Fund Your Account: Make a first-time deposit of at least $20 to fully activate the offer.
Once these steps are complete, your account will be funded, the promotion will be activated, and you will be ready to explore the prediction markets.
