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Polymarket Promo Code BROAD: Claim $50 MLB Bonus for Mets-Phillies, All Games Today (July 18)

By Matt Modi

Published: Jul 18th, 2026 · 2:30 PM EDT

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By applying the Polymarket promo code BROAD, new customers will receive a $50 sign-up bonus after making an initial deposit of at least $20 to use on a fun MLB slate of games today. Get started here.

Polymarket Promo Code BROAD for MLB Bonus Saturday

Polymarket Promo Code	BROAD
New Polymarket User Offer	$50 sign-up bonus
Terms and Conditions	18+ and Present in the US
Date Last Verified	July 18th, 2026

New Polymarket customers have an excellent opportunity to build their portfolios ahead of today’s MLB action with a $50 sign-up bonus. Whether you are looking to predict a Philadelphia Phillies victory as they host the New York Mets or side with the Tampa Bay Rays on the road against the Boston Red Sox, this welcome offer delivers clear, immediate value.

To unlock this $50 bonus, users simply need to register their account and make an initial deposit of at least $20. Keep in mind that this promotion is exclusively available for new Polymarket customers, and participants must be 18 years of age or older and physically located in an eligible state to qualify. Once the qualifying deposit is completed, the bonus funds will be credited to your account and ready to use on today’s baseball slate.

Use Polymarket MLB Bonus Today

Matchup	Probability
NYM @ PHI	NYM 39.8% / PHI 60.2%
TB @ BOS	TB 48.8% / BOS 51.2%

When analyzing this divisional clash, the Phillies enter as the stronger prediction on paper with slight statistical edges across the board. On the mound, Philadelphia boasts a marginally lower team ERA (4.23) than New York (4.24) and packs significantly more strikeout power with a 9.92 K/9 compared to the Mets’ 9.20 mark. At the plate, the Phillies have generated 425 runs with a .235 batting average, just outpacing the Mets’ offensive output of 402 runs and a .233 team average. This series carries massive rivalry energy, described by observers as being “one swing away from chaos.” The Phillies are currently pushing for a fifth consecutive postseason appearance, while vocal Mets fans remain frustrated with roster construction, noting that “Soto can’t carry everything alone… need someone else who can hit 30-40 homers.”

Meanwhile, the Tampa Bay Rays entered the break with the best record in the American League, backed by a star-studded farm system featuring prospects like Theo Gillen, Nathan Flewelling, and Caden Bodine. They square off against a Boston Red Sox squad riding a massive double-digit winning streak, with chief baseball officer Craig Breslow evaluating potential targets ahead of the August 3 trade deadline.

How to Redeem the Polymarket Promo Code BROAD

Ready to get in on the action for today’s matchups, including the Mets taking on the Phillies or the Rays battling the Red Sox? Claiming your welcome offer is a straightforward process. Just follow these simple steps to get started:

1. Download the App: Head to the App Store or Google Play Store and download the Polymarket mobile app.
2. Register Your Account: Create a new account by entering standard personal information, such as your name, email address, and date of birth.
3. Verify Your Identity: Submit a valid proof of identification to securely verify your account.
4. Enter the Promo Code: When prompted during registration, be sure to enter the promo code BROAD to opt into the welcome offer.
5. Fund Your Account: Make a first-time deposit of at least $20 in order to fully activate the promotion.

Once your deposit clears and the promo code is applied, you will be fully geared up and ready to place your first trades on the diamond.