Sign up today with the Action Network Kalshi promo code ACTION and get in on the March Madness action for Thursday, March 19, 2026. New users can complete $10 in trades on any Round of 64 market to receive $10 in bonus cash. If you’re looking for an alternative to traditional betting, Kalshi stands out as one of the best prediction market apps for college basketball fans who want to bet on the First Round in March Madness. Click the module below to start trading event contracts on the college basketball slate today.
Kalshi is available in most U.S. states, excluding AZ, IL, MA, MD, MI, MT, NJ, and OH, giving users widespread access to trade on March Madness markets. The early window slate features key matchups such as TCU vs. Ohio State (12:15 p.m. ET on CBS), Troy vs. Nebraska (12:40 p.m. ET on truTV), South Florida vs. Louisville (1:30 p.m. ET on TNT), and High Point vs. Wisconsin (1:50 p.m. ET on TBS). Sign up today using the Kalshi referral code ACTION to start trading on these matchups and take advantage of live market opportunities as the tournament action unfolds.
Kalshi Promo Code ACTION Details for Early Window March Madness Games
The early window of March Madness action features a quality slate of games, so now is the perfect time to take advantage of the Kalshi promo code ACTION. First Round matchups like TCU vs. Ohio State, Troy vs. Nebraska, South Florida vs. Louisville, and High Point vs. Wisconsin provide plenty of trading opportunities as the tournament gets underway. Click the module below to access the registration page and take the first step toward unlocking $10 in bonus cash.
Keep in mind that Kalshi operates differently from traditional sportsbooks. As a prediction market platform, prices and implied probabilities are driven by user activity rather than fixed odds. You’re trading yes-or-no contracts on outcomes like game winners or tournament advancement, giving you a unique, market-based way to engage with the NCAA Tournament. If you're looking for expert March Madness predictions to use your Kalshi promo code ACTION bonus on, check out my picks for the early Round of 64 games below.
March Madness Predictions for Early Window Games
The early window of the NCAA Tournament is all about setting the tone for the day, with teams looking to survive and advance while bettors search for early edges. With a mix of big-time teams along with underdogs with upset potential, this slate offers strong opportunities to build momentum right out of the gate. Sign up with the Kalshi promo code ACTION now, and make your March Madness picks. If you're unsure of the markets you want to trade, check out the options below for inspiration, or follow them directly.
- TCU vs. Ohio State prediction: Ohio State to win (58%)
- Ohio State has the edge in shot creation and overall talent, which should help them close out a competitive matchup late.
- Troy vs. Nebraska prediction: Nebraska -13.5 (48%)
- Nebraska’s size and offensive efficiency should overwhelm Troy, especially if they control the glass and pace.
- South Florida vs. Louisville prediction: Louisville to win (67%)
- Louisville’s athleticism and ability to score in transition give them the advantage against South Florida’s defense.
- High Point vs. Wisconsin prediction: Wisconsin -8.5 (55%)
- Wisconsin’s disciplined half-court style and experience should limit mistakes and wear down High Point over 40 minutes.
Overall, this early window presents a strong mix of reliable favorites and potential value spots to start your March Madness betting day. Focusing on teams that can control tempo, limit mistakes, and execute in half-court settings is key in these tournament matchups.
How to Sign Up for Kalshi: Thursday, March 19
Follow the steps below to create your Kalshi account and unlock the $10 new-user bonus in just a few minutes:
- Register for a new Kalshi account using the official sign-up link.
- Complete the required identity verification to activate trading access.
- Enter the Kalshi promo code ACTION during signup in the promo field.
- Make your first $10 trade on any available prediction market.
- Receive $10 in bonus funds to use on additional trades.
Final Thoughts
The Kalshi promo code ACTION is a strong option for getting involved in the early window of March Madness, especially if you’re looking for a flexible, low-commitment way to engage with multiple matchups at once. With just a $10 trade requirement, you can unlock bonus funds while exploring different market angles across the slate.
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.
