New users can sign up with Polymarket promo code ACTION on Wednesday, June 10, 2026, to claim a $50 welcome bonus after making a $20 deposit. Once the bonus is active, users can start trading NBA Finals prediction markets for Spurs vs. Knicks Game 4.
Click the sign-up module below or enter Polymarket promo code ACTION during registration to unlock the offer. Spurs vs. Knicks Game 4 tips off at 8:30 p.m. ET on ABC, giving traders plenty of major NBA Finals prediction markets to target before the matchup begins.
Polymarket is one of the best prediction market apps available for Wednesday’s NBA Finals slate. Game 4 continues at Madison Square Garden, where New York can strengthen its position in the series while San Antonio tries to build off its Game 3 response. Action Network experts also have full NBA Finals predictions and analysis for bettors tracking the matchup.
Do not miss the chance to claim a $50 bonus with Polymarket referral code ACTION. Prediction markets are available 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 DC.
How to Use Polymarket Referral Code ACTION on Spurs vs. Knicks
Using the Polymarket promo code ACTION is simple. New users only need to make a $20 deposit to unlock a $50 trading bonus. That makes it one of the top NBA Finals prediction market promos for Spurs vs. Knicks Game 4.
Polymarket is a strong option for users who want to trade on the game winner, series markets, player-focused contracts, and live NBA Finals outcomes instead of locking into a traditional sportsbook bet.
- Spurs vs. Knicks Prediction: Knicks -2.5: New York is still the preferred side at Madison Square Garden. The Knicks have been the more composed team for most of the series, and Jalen Brunson gives them the cleaner late-game creation profile. San Antonio’s Game 3 win keeps the series alive, but the Spurs still need to prove they can consistently handle New York’s pressure, physicality, and home-court environment.
For example, a $50 trade on the Knicks to cover a short spread-style market can create a strong return if New York controls Game 4 at home. After placing your first trade, you can continue using Polymarket to explore prediction markets across the sports calendar, including more NBA Finals markets, World Cup markets, and other major events this week.
Use this opportunity to unlock a $50 trading bonus with the Polymarket referral code ACTION. Trade on Spurs vs. Knicks Game 4 prediction markets today.
Is Polymarket The Best Prediction Market App for NBA Finals?
Polymarket stands out for Spurs vs. Knicks Game 4 because it turns a high-pressure NBA Finals matchup into a live trading environment. New York has the home-court edge, but San Antonio has enough star power with Victor Wembanyama to create market movement throughout the night. Polymarket lets users trade those swings in real time rather than staying locked into one pregame position, which makes it a strong candidate for the best Spurs vs. Knicks prediction market app.
Compared to a traditional sportsbook, Polymarket gives users more flexibility once the game begins. If the Knicks start fast, users can sell positions early or ride the market. If the Spurs respond with a strong Wembanyama stretch, prices can move quickly in the other direction. That live trading flexibility is why Polymarket belongs in the conversation as the best Spurs vs. Knicks prediction market app for Game 4. Register with the Polymarket promo code ACTION today, and claim your $50 bonus for any trades on Game 4.
Polymarket Registration Steps on Wednesday, June 10
- Download the app: Download Polymarket on your iPhone or Android device through the official mobile app store.
- Select “I Have a Referral Code”: During registration, enter the Polymarket promo 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 $20: Make a qualifying first-time deposit of $20 or more to unlock the $50 bonus credits.
- Start trading: Once funded, you can use your balance on Spurs vs. Knicks Game 4 or any other available market on the platform.
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.
