Register with the Polymarket promo code ACTION to unlock one of the easiest-to-use NBA Finals prediction market offers available today. New users can create an account, deposit $20, and receive a $50 trading bonus to use on Spurs vs. Knicks Game 3 markets before tipoff at 8:30 p.m. ET on ABC on Monday, June 8, 2026.
Polymarket is available in more than 40 states and gives users access to NBA Finals prediction markets, including Game 3 winner contracts, player-based markets involving Jalen Brunson and Victor Wembanyama, and other event-based trading opportunities. Use the module above to claim your $50 new-player bonus with Polymarket promo code ACTION, or keep reading to learn how the offer works.
Why Sign Up With Polymarket Promo Code ACTION?
Register using the Polymarket promo code ACTION to find favorable positions trading on the NBA Finals and buy contracts with $50 in bonus funds. Sign up and complete a $20 deposit to get a leg up building your portfolio by using your trading bonus rather than your hard-earned cash.
| 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 | June 8, 2026 |
Lock-in your Polymarket bonus on one of the best prediction market apps by capitalizing on our certified code. Keep in mind that market market prices aren't stagnant and are always subject to change. Implied probabilities fluctuate often on this peer-to-peer competing platform where you play against fellow traders rather than the house itself.
Make the most of your time on Polymarket by keeping up with lineup changes and injury updates. Refresh Polymarket regularly to keep an eye out for the best chances to buy and sell to maximize your portfolio account balance tonight.
How Do You Sign Up With Polymarket Referral Code ACTION?
Use the verified steps below from Action Network to register with the Polymarket referral code ACTION and trade on NBA prediction markets:
- Download Polymarket on your iOS or Android mobile device with this link.
- Make your account by signing up with your Apple or Google account information. Or enter an email address, birthday, and phone number to proceed.
- Type in the Polymarket promo codeACTION when prompted for one.
- Enter your personal identifying information to finalize your account.
- Make a $20+ deposit to get $50 in trading bonuses for the NBA Finals this evening.
Example Spurs vs. Knicks Prediction to Trade at Polymarket
Use Polymarket promo codeACTION to trade on Game 3 in the NBA Finals. Browse the trending topics list to find the market you most want to trade on. Or follow Action Network NBA expert Matt Moore in trading on these Spurs vs. Knicks predictions tonight:
- Under 215.5 total points
- Mikal Bridges over 13.5 points
- Head-t0-Head points: Dylan Harper over OG Anunoby
- Head-t0-Head Assists: Josh Hart over Stephon Castle
Note the rest of the 2026 NBA Finals schedule below to ensure you don't miss any opportunities to trade on the Spurs vs. Knicks:
- Game 4: Wednesday, June 10, at 8:30 p.m. ET on NBC
- Game 5: Saturday, June 13, at 8:30 p.m. ET on NBC
- Game 6: Tuesday, June 16, at 8:30 p.m. ET on NBC
- Game 7: Friday, June 19, at 8:30 p.m. ET on NBC
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.
