Capitalize on the Polymarket referral code ACTION to lock in a $20 new player bonus today, Monday, July 27. Polymarket hands traders a $20 welcome bonus that activates after you use our verified code and complete a $10+ qualifying deposit.
Now is a prime time to register with Polymarket referral code ACTION before the nationally televised matchup of Guardians vs. Reds this evening at 7 p.m. ET on ESPN.
Polymarket Referral Code ACTION: The Quick Version
Enter the Polymarket referral code ACTION at sign-up. That single step secures you the $20 new player promotion. Deposit $10 using one of the many available banking methods, and claim your $20 bonus.
Polymarket returned to the U.S. in late 2025 under CFTC oversight. This is one of the fastest growing prediction market apps in the space, so join the millions of users who have made an account on Polymarket.
How to Claim Polymarket Referral Code ACTION Bonus
Follow four fast steps to make a new prediction market account at Polymarket:
- Open the Polymarket app through the link on this page.
- Tap "Sign Up" and enter the Polymarket referral code ACTION.
- Deposit at least $10 with a debit card, bank transfer, Apple Pay, or crypto.
- Place one real-money trade to trigger your $20 bonus.
Identity verification takes only a few minutes, and the app walks you through every field. Every deposit then converts instantly to pUSD, Polymarket's native trading currency. From there, the markets open up.
Polymarket vs. Sportsbooks
Here sits the key difference. A sportsbook sets the MLB odds. Polymarket lets traders set the price through supply and demand. You buy a "Yes" or "No" contract on an outcome, and the price moves as money flows in.
For Guardians vs. Reds, that means you trade a position on the winner, the run total, or a player prop, then exit early to lock a profit or trim a loss.
Picture a Reds moneyline priced at 55 cents. You buy in, the crowd piles onto Cincinnati, and the price climbs toward 70 cents. Sell right there and bank the gap, even before the final out. That flexibility separates prediction markets from traditional betting.
Guardians vs. Reds: Monday Night Storylines
The Reds hold home-field advantage at Great American Ball Park, a hitter-friendly yard that rewards power. Elly De La Cruz anchors a Cincinnati lineup that thrives on speed and slug. Cleveland counters with steady pitching and a lineup built around Kyle Manzardo.
Both clubs chase a wild-card berth as the trade deadline nears, so every pitch carries weight. The Reds lean on a bullpen that slams the door late, while Cleveland leans on contact hitting and aggressive base running. Watch the starting pitchers set the tone across the first three innings, because early runs swing the market fast.
Why Traders Grab the Polymarket Sign-Up Bonus
Our Polymarket referral code ACTION pairs instant access with a national TV showcase, so you trade the exact game millions watch on ESPN. New markets open across politics, culture, and sports, yet Monday's diamond action headlines the night.
The offer stays lean and clear: deposit $10, trade once, pocket $20. No fine-print maze. After signing up at Polymarket, check out the newly launched Underdog prediction market exchange for another way to get in on MLB primetime trading.
Claim the Polymarket Promo Code ACTION Now
Ready to trade? Enter the Action Network Polymarket promo code ACTION at registration, fund your new prediction market account, and put a position on Guardians vs. Reds before first pitch. The Polymarket promo code ACTION turns a Monday night game into an interactive market.
Polymarket serves users 18 and older in eligible states. Restricted states include Arizona, Illinois, Maryland, Massachusetts, Michigan, Montana, Nevada, New Jersey, and Ohio. Trade responsibly and keep every stake within your budget.


