Sports fans can use Polymarket promo code STIFFS and deposit $20 to unlock $50 in bonuses for MLB, NHL and NBA predictions this week. Click here to start signing up.
This bonus provides the perfect opportunity to build a starting bankroll for the current slate of matchups, whether you are trading shares on the Los Angeles Dodgers visiting the Pittsburgh Pirates or the New York Yankees taking on the Cleveland Guardians. Polymarket will have extensive trading options for sports fans this week.
Polymarket Promo Code STIFFS Delivers $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 9, 2026 |
New Polymarket customers have a fantastic opportunity to boost their starting portfolio by taking advantage of a generous welcome offer. By using the exclusive promo code during registration, eligible users can unlock a $50 sign-up bonus. Whether you are looking to trade shares on the Los Angeles Dodgers squaring off against the Pittsburgh Pirates, the New York Yankees battling the Cleveland Guardians, or the Philadelphia Phillies taking on the Toronto Blue Jays, this bonus provides a significant head start.
To qualify for this promotion, you must be 18 years of age or older and physically located in an eligible Polymarket state. Additionally, the offer is strictly reserved for new Polymarket customers, meaning you cannot have an existing account on the platform to participate. Claiming your reward is incredibly simple: once you complete the sign-up process, make an initial deposit of at least $20 to instantly unlock your $50 bonus. With your account fully funded, you will be perfectly positioned to dive into compelling baseball matchups.
Tuesday’s Top MLB Matchups
| Matchup | Market Price | Probability |
|---|---|---|
| LAD @ PIT | LAD -108 / PIT -110 | LAD 49% / PIT 52% |
| NYY @ CLE | NYY -136 / CLE +114 | NYY 54% / CLE 47% |
| PHI @ TOR | PHI -108 / TOR -110 | PHI 50% / TOR 51% |
When evaluating that Yankees-Guardians matchup, New York holds a clear statistical advantage. The Yankees boast a superior lineup with a .763 team OPS compared to Cleveland’s .689 OPS. On the mound, New York’s pitching staff sports an impressive 3.27 team ERA and 1.16 WHIP, outpacing the Guardians’ 3.78 ERA and 1.26 WHIP.
Meanwhile, the Phillies and Blue Jays profile as an incredibly tight contest, reflected in their near-even market probabilities. Both pitching staffs hover around a 4.00 team ERA (Philadelphia at 4.02; Toronto at 4.06), but Toronto’s lineup enters with a slight contact advantage, hitting .249 collectively compared to Philadelphia’s .229 team average.
How to Activate Polymarket Promo Code STIFFS
Ready to get in on the action for the upcoming MLB slate? Activating your Polymarket promotional offer is a quick and straightforward process. Just follow these simple steps before the first pitch:
- Create an Account: Click here and begin the registration process to create a new account. You will need to provide standard personal information to get started.
- Verify Your Identity: For security and compliance purposes, you will be required to provide proof of identification.
- Enter the Promo Code: During the sign-up process, make sure to enter the promo code STIFFS to lock in your promotional offer.
- Make a Deposit: Complete your activation by making a first-time deposit of at least $20 into your newly created account.
Once your initial deposit clears, your offer will be officially activated, and you will be fully equipped to start trading on all of the exciting baseball matchups.
