The MLB Home Run Derby takes over primetime tonight at 8 p.m. ET from Citizens Bank Park in Philadelphia, streaming live on Netflix, and prediction market fans have the perfect entry point. New users who enter Polymarket promo code ACTION at sign-up and deposit $20 unlock a $50 bonus, then trade the derby swing by swing, lock in their Home Run Derby predictions, and back the slugger they trust most to launch balls into the upper deck.
Polymarket ranks among the best prediction market apps available today, and tonight's event shows exactly why prediction markets have caught fire with sports fans. Instead of locking in a fixed sportsbook price, you buy and sell shares that track real outcomes, like which player wins the whole thing. The price moves in real time as the crowd reacts to every home run, so you stay in control from the first swing to the final round.
How to Claim Polymarket Promo Code ACTION
Signing up takes only a few minutes, and you can beat the first-round buzzer if you start now:
- Visit Polymarket and create your account.
- Enter Polymarket promo code ACTION when prompted.
- Deposit $20 to unlock your $50 bonus, then start trading the derby before the lights come on.
Want your friends in on the action too? Share the Polymarket referral code ACTION with your group chat before 8 p.m. ET, and everyone can trade the same market together as the sluggers step up to the plate.
2026 Home Run Derby Odds and Predictions
Eight sluggers headline this year's field: hometown hero Bryce Harper and Kyle Schwarber lead the Phillies charge in front of the Citizens Bank Park crowd, joined by Junior Caminero, Munetaka Murakami, Jac Caglianone, Jordan Walker, Ben Rice, and Willson Contreras. That mix of pure power and unpredictable dark horses makes for a wide-open bracket.
The 2026 Home Run Derby odds shift right up until the players walk out, so watch the market closely tonight. Power hitters who consistently clear the fences usually draw the heaviest action, and the price on the favorite tightens fast as more traders pile in. Sharp Home Run Derby predictions often come down to spotting value on a dark horse before the rest of the field catches on. Because Polymarket prices move with real supply and demand, you can trade your read on momentum, fatigue, and the bracket itself, not just a single locked-in number.
Polymarket regularly earns a spot on lists of the best prediction market promos, and promo code ACTION gives new traders one of the simplest ways to jump in. Whether you follow every at-bat or just want a stake in the biggest night of the summer, the derby delivers a fast, fun market to learn the ropes.
More to Trade this Week
The action doesn't stop after the last home run drops tonight. The World Cup semifinals arrive right behind the derby, and they promise two blockbuster matchups. France meets Spain on Tuesday at 3 p.m. ET on FOX at AT&T Stadium in Arlington, Texas. England then faces Argentina on Wednesday at 3 p.m. ET on FOX at Mercedes-Benz Stadium in Atlanta, Georgia. Traders who claim Polymarket promo code ACTION tonight can ride that same account straight into two of the biggest soccer matches of the year.
Prediction markets thrive on events exactly like this — a packed week with a national audience and outcomes nobody can call for certain. From the derby to the World Cup, Polymarket puts the full slate at your fingertips.
Sign Up Before First Pitch
Don't wait until the first swing. Enter Polymarket promo code ACTION now, deposit $20 to grab your $50 bonus, share the Polymarket referral code ACTION with your crew, and get set to trade the MLB Home Run Derby the moment coverage begins at 8 p.m. ET on Netflix. Trade responsibly, only stake what you can afford, and enjoy the show.
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.


