Register with the Kalshi promo code ACTION to claim a $10 welcome bonus for Tuesday, May 26, 2026. New users can qualify by placing $10 in total trades on eligible prediction markets, then receive a $10 bonus after meeting the trade requirement, regardless of whether the first position wins or loses.
The offer from the Kalshi promo code ACTION can be used around Spurs vs. Thunder Game 5 in the Western Conference Finals, which tips off at 8:30 p.m. ET on NBC. With a major NBA Playoffs matchup on the board, this gives users a simple way to target one of the night’s top markets with the best prediction market promo available today.
Tuesday’s NBA Playoffs slate centers on Game 5 between the Spurs and Thunder, with the series moving into a pivotal spot. Kalshi lets users trade yes-or-no style markets tied to game outcomes, totals, player-related prediction markets and other NBA Playoffs angles while also unlocking extra bonus value after a qualifying trade.
Use the Kalshi referral code ACTION if you are in an eligible location. The offer is 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.
Use Kalshi Promo Code ACTION on Spurs vs. Thunder Game 5
The Kalshi promo code ACTION gives new users a straightforward way to trade around Spurs vs. Thunder Game 5. Place $10 in eligible trades on your Spurs vs. Thunder prediction, and Kalshi adds a $10 bonus through one of the best prediction market apps.
This Western Conference Finals matchup features two clear trading angles. San Antonio’s case starts with Victor Wembanyama’s size, rebounding, and rim protection, while Oklahoma City’s path is built around Shai Gilgeous-Alexander’s shot creation, late-game scoring, and deeper perimeter attack. Check out my prediction for the matchup below.
Spurs vs. Thunder Prediction
Spurs vs. Thunder Prediction: Thunder to win (60%): Oklahoma City has the cleaner late-game offensive profile if Shai Gilgeous-Alexander can control the pace and create efficient looks in the half court. The Spurs have a major interior equalizer with Wembanyama, but the Thunder’s depth, shooting and ability to generate offense from multiple spots make OKC the preferred prediction-market side for Game 5.
If you place a $10 trade on this market and your prediction wins, your payout depends on the contract price at entry. Even if your first trade loses, you still receive the $10 bonus to use on another NBA Playoffs market on Tuesday, May 26.
Take advantage of the Kalshi referral code ACTION and trade on the Spurs vs. Thunder Game 5 in the Western Conference Finals. For users comparing platforms before tip-off, this Kalshi sign-up bonus is a strong contender for the best prediction market promo, as it provides immediate bonus value after a small qualifying trade.
How to Sign Up for Kalshi on Tuesday, May 26
Getting started on Kalshi is different from using a traditional sportsbook because the platform operates as a federally regulated financial exchange. Here’s how to set up your account before Spurs vs. Thunder Game 5:
- Create Your Account & Enter the Promo Code: Sign up and enter the Kalshi promo code ACTION during registration to unlock the Trade $10, Get $10 bonus.
- Complete Identity Verification: Because Kalshi operates under CFTC oversight, users must complete standard KYC verification before funding an account.
- Deposit Funds: Add money to your account using an available payment method, such as debit card, ACH transfer, wire transfer or USDC.
- Place Your First Trade: Navigate to the Spurs vs. Thunder market and submit your first trade. You can use a Quick Order to buy instantly at the current market price or set a Limit Order to choose the exact price you are willing to pay.
- Use a Quick Order to buy instantly at the current market price, or
- Set a Limit Order to choose the exact price you’re willing to pay.
With the Kalshi referral code ACTION, users do not need to make one single $10 trade to unlock the $10 bonus. You can complete smaller trades across different eligible markets tied to Spurs vs. Thunder Game 5 or other available events. Tune into the matchup 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.
