Sign up with the Kalshi referral code ACTION ahead of the March Madness Final Four to start trading on one of the best prediction markets available. Complete $10 or more in total trades to unlock a $10 bonus, which you can then use to make predictions on Final Four matchups and other NCAA Tournament markets.
Kalshi offers a unique alternative to best online sportsbooks by operating as a trading platform. It works similarly to a stock market, where users buy and sell contracts whose prices shift based on demand. Instead of fixed odds, prices reflect implied probabilities driven by market sentiment. With a wide range of sports outcomes available, it’s an engaging way to get involved in Final Four college basketball action. Use the Kalshi promo code ACTION to get started today.
Why the Kalshi Referral Code ACTION Is Ideal for the Final Four
This new-user offer remains one of the easiest to claim thanks to its simple structure. Sign up with the Kalshi promo code ACTION and complete $10 in total trades to unlock a $10 bonus, which you can use on additional prediction markets, including Final Four matchups.
The Kalshi referral code ACTION is especially appealing because it only requires a $10 commitment to earn the full bonus. It’s a low-risk, straightforward way to get involved during one of the biggest stages of March Madness.
March Madness Final Four Schedule for April 2026
- Illinois vs. UConn at 6:09 p.m. ET on TBS this Saturday, April 4, 2026
- Michigan vs. Arizona at 8:49 p.m. ET on TBS this Saturday, April 4, 2026
How Kalshi Works for March Madness Final Four Games
Make predictions on the outcome of Final Four matchups using the Kalshi referral code ACTION. One of the featured games on this stage is Illinois vs. UConn, a high-stakes showdown with a trip to the national championship on the line.
Here’s how the Kalshi referral bonus works using this matchup as an example. In this game, Illinois holds a 55% implied probability to win, while UConn sits at 45%. If you place a $10 trade on UConn to win to meet the requirement for the Kalshi promo code ACTION, you’d be working with roughly a 2.23x payout multiplier based on current market pricing.
- If the prediction is correct, you receive a $23 total payout ($13 profit) and a $10 bonus.
- If the prediction is incorrect, you just receive the $10 bonus.
Kalshi Promo Code ACTION Chart
Check out the chart below for additional information about the Kalshi promo code ACTION.
| Kalshi Referral Bonus | Legal Sports Betting States | Kalshi Promo Code |
|---|---|---|
| Trade $10, Get $10 | AL, AK, AR, CA, CO, CT, DE, FL, GA, HI, ID, IN, IA, KS, KY, LA, ME, MN, MS, MO, NE, NH, NM, NY, NC, NV, ND, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, DC | ACTION |
How to Claim the Kalshi Promo Code ACTION: Friday, March 27, 2026
Getting started with the Kalshi promo code ACTION in just a few minutes:
- Create your new Kalshi account with this link.
- Make sure the Kalshi referral code ACTION during registration.
- Complete your first $10 trade on sports, economics, politics, and more.
- Receive a $10 bonus to use on additional predictions for March Madness Sweet 16 games.
Terms and Conditions
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, NJ, and OH.
