The Cubs vs. Cardinals airs on NBC and Peacock at 7:20 p.m. ET today, and our Action Network Polymarket promo code ACTION gives you a timely edge for trading MLB markets. Sign up now and make a qualifying first deposit of $20+ to instantly trigger a $50 trading bonus. Use these funds to boost your bankroll by trading on contracts today, Sunday, May 31, 2026.
Capitalize on the Polymarket promo code ACTION in AL, AK, AR, CA, CO, CT, DE, FL, GA, HI, ID, IN, IA, KS, KY, LA, ME, MN, MS, MO, NE, NH, NM, NJ, NY, NC, ND, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, and Washington D.C.
Tonight's MLB Sunday night showdown is a big one for users to trade on. Get in on the action now to trade this pivotal Cubs vs. Cardinals matchup before the first pitch is thrown. Be flexible and keep an eye out for market shifts during the game as well to buy and sell contracts accordingly.
Why Polymarket Promo Code ACTION Fits Cubs vs. Cardinals
Take advantage of the Action Network Polymarket promo code ACTION to provide yourself a wider range of possibilities when you trade on the Cubs vs. Cardinals today. Stay fluid to buy and sell your contracts with injury updates, lineup changes, and other factors.
Use the module below to redeem this offer and trade on a wide range of MLB contracts. Predict who wins the game tonight and the series as a whole. Pick the winning margin for the contest this evening, along with who you believe records home runs in this star-studded contest.
Stay active and engaged on one of the best prediction market apps in the country for the MLB regular season. Remember to enter our verified Polymarket promo code ACTION when prompted and complete a $20+ minimum deposit to trigger $50 in trading bonuses. Spend all $50 in bonus funds within seven days before they expire.
| Polymarket Promo Code | ACTION |
|---|---|
| Welcome Offer | Deposit $20, Get $50 Bonus |
| Eligible Devices | iOS and Android |
| Restricted States | AZ, IL, MA, MD, MI, MT, NV, and OH |
| Minimum Age | 18+ |
| Action Network Last Verified | May 31, 2026 |
The bottom line is redeem the Polymarket referral bonus now to enhance your weekend experience by trading your best Cubs vs. Cardinals predictions.
Polymarket Referral Code ACTION Sign-Up Steps
Follow these instructions to sign up with the Action Network Polymarket referral code ACTION and pocket $50 in bonuses:
- Use the upcoming link to download Polymarket on your iOS or Android mobile device.
- Enter your personal identifying information such as an accurate birthday, along with a verifiable phone number and email address. Sign up with your Apple or Google account information to quicken the process.
- Type in the Action Network Polymarket referral code ACTION when prompted.
- Provide the remainder of your personal information to finish registering at one of the best MLB prediction markets.
- Complete a $20+ deposit into your new account to score $50 in trading bonus funds.
Must be 18 years or older and have a legal, U.S. residential address within the applicable state, D.C., or U.S. territories. Not available in AZ, IL, MA, MD, MI, MT, NV, and OH.
