The NASCAR Cup Series rolls into Indianapolis Motor Speedway for the Brickyard 400 today, July 26, and the Kalshi NASCAR promo code ACTION delivers the biggest head start of the summer.
New traders who sign up using the Action Network Kalshi promo code ACTION and trade $25 unlock up to $500 in bonus funds to use on one of racing's crown-jewel events.
The Kalshi NASCAR Promo Code ACTION Offer at a Glance
- Kalshi NASCAR Promo Code: ACTION
- Welcome Offer: Trade $25, Get Up to $500 in Bonuses
- Platform: Kalshi, a CFTC-Regulated Prediction Market
- Event in Focus:NASCAR Brickyard 400, Indianapolis Motor Speedway
- Green flag: Sunday, July 26, 2 p.m. ET on TNT Sports
The Kalshi promo code ACTION ranks among the strongest welcome offers in the prediction-market space right now. Instead of a small flat credit, this deal scales your bonus up to $500, giving Brickyard 400 traders plenty of room to explore today's markets.
How to Claim the Kalshi NASCAR Promo Code ACTION
Getting started with one of the most generous prediction market promos takes just a few minutes on your phone:
- Tap the sign-up link and download the Kalshi app.
- Enter your details, then add the Kalshi promo code ACTION during registration.
- Complete Kalshi's quick identity verification.
- Deposit funds and trade $25 in event contracts.
- Collect up to $500 in bonuses and trade Sunday's Brickyard 400 prediction markets.
Note that in addition to NASCAR, now is a prime time to start trading Kalshi Super Bowl odds as the NFL preseason nears.
Trade the Brickyard 400 With Your Kalshi Sign-Up Bonus
The Brickyard 400 sends the NASCAR Cup Series field 160 laps around the historic 2.5-mile oval at Indianapolis. Bubba Wallace arrives as the defending champion after his emotional 2025 victory, and the race doubles as the finale of NASCAR's In-Season Challenge, where Ryan Blaney and Todd Gilliland chase a $1 million prize.
Kalshi turns every angle of the race into tradable prediction markets. You back a race winner, a top-10 finish, or a head-to-head driver matchup, and each pick becomes a contract that settles the moment the checkered flag falls at the Brickyard.
Contenders line the grid at Indianapolis. Kyle Larson, Denny Hamlin, and William Byron are names to watch entering this crown jewel, while Wallace looks to defend his ground and stack another statement win.
- My Brickyard 400 Pick: Ryan Blaney top five finish YES (36% chance)
How Kalshi Works
Kalshi operates as a federally regulated prediction market, not a traditional sportsbook. Each contract prices between $0 and $1, and that price reflects the market's read on how likely an outcome is. You buy Yes or No on a clear question, say, whether a driver wins the Brickyard 400, and the payout arrives the moment the event settles on one of the best prediction market apps.
This structure gives NASCAR fans a fresh way to put their race knowledge to work. A strong read on the field translates directly into value, and the Kalshi NASCAR promo code ACTION stretches that first $25 much further with up to $500 in bonuses on the line.
Why the Kalshi Promo Code ACTION Wins the Weekend
Most prediction market promos top out at $10 or $15. The Kalshi promo code ACTION clears that bar by a wide margin thanks to its up-to-$500 ceiling, and the modest $25 trading requirement keeps the offer within reach for newcomers.
The timing also lands perfectly. Indianapolis hosts one of the most prestigious races on the NASCAR season calendar, the playoff picture tightens with every lap, and the In-Season Challenge finale adds a $1 million storyline on top. Fresh traders step into Kalshi predictions with a bonus stack rather than a bare account.
Lock in the Action Network certified Kalshi NASCAR promo code ACTION before the green flag drops Sunday at Indianapolis. Sign up now, trade your first $25, and chase up to $500 in bonuses across the Brickyard 400 and Kalshi's full slate of NASCAR markets.
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.


