There are 10 games on today's MLB schedule, including an NL matchup between the Philadelphia Phillies and St. Louis Cardinals. Right now, you can claim a $20 bonus and trade on this game with the Polymarket MLB promo code ACTION.
Make sure you enter the Polymarket promo code ACTION during registration and make a $10 deposit. Once complete, you get a $20 trading bonus for MLB games today.
- Polymarket Promo Code ACTION: Deposit $10, Get $20 Trading Bonus
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The lone game on national TV is Phillies vs. Cardinals at 7:45 p.m. ET on FS1. The Phillies are right on the playoff cutline, while the Cardinals still have work to do. With less than two months remaining in the regular season, Monday’s game is important for both clubs.
Don't miss your chance to use one of the best prediction market apps and unlock a $20 bonus offer with the Polymarket MLB promo code ACTION.
How to Use Polymarket MLB Promo Code ACTION on Phillies vs. Cardinals
Right now, you can use the Polymarket MLB promo codeACTION to make a $10 deposit on Monday, August 10. In return, you earn a $20 trading bonus through one of the best prediction market promos.
Polymarket gives the Phillies a 57% chance to win, but the pitching matchup favors the Cardinals. St. Louis starter Hunter Dobbins enters Monday’s game with a 3.60 ERA, while Philadelphia’s Andrew Painter owns a 6.48 ERA and is dealing with a hamstring injury.
Phillies vs. Cardinals Prediction: Cardinals ML (44%): St. Louis offers exceptional value at 44% on Polymarket behind starter Hunter Dobbins, who carries a solid 3.60 ERA into Monday's matchup. Meanwhile, Philadelphia counters with Andrew Painter, whose dismal 1–8 record and 6.48 ERA give the Cardinals a massive pitching advantage worth backing at underdog odds.
Let’s say you use the $20 trading bonus to buy Cardinals contracts at 44 cents apiece. If the Cardinals win, those contracts settle at $1, producing a $24.18 profit on Polymarket. Polymarket doesn't return the $20 bonus stake if the trade loses.
Take advantage of the Polymarket MLB promo code ACTION to secure a $20 trading bonus for Phillies vs. Cardinals or any other MLB game.
Polymarket Sign-Up Steps on Monday, August 10
- Download the app: Install Polymarket on your iPhone or Android device through the official mobile app store.
- Select “I Have a Referral Code”: During registration, enter the Polymarket referral code ACTION to activate the promo.
- Create your account: Register using your Apple or Google credentials.
- Verify your identity: Complete the age and identity verification process by submitting your phone number and personal details.
- Deposit at least $10: Make a qualifying first-time deposit of $10 or more to unlock the $20 bonus credits.
- Start trading: Once funded, you can use your balance on any available market on the platform. Before placing a trade, use an odds converter to compare implied probabilities and identify potential value.
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See http://polymarket.us/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated derivatives exchange and clearing organization. Not available in AZ, IL, MA, MD, MI, MT, NV, and OH.
