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Kalshi March Madness Promo Code SDS: Get $10 Bonus as NCAA Tournament Tips Off

Matt Modi

By Matt Modi

Published:


All new users can sign up with the Kalshi March Madness promo code SDS to receive a bonus in time for the start of March Madness. The NCAA Tournament starts soon, and this promo code offer is a great way to get in on the action to receive a $10 bonus.

Create a new account and start with $10 worth of trades on any topic of your choice, it does not have to be on March Madness at all if you are interested in another topic. All you need to do is trade at least $10 to redeem this $10 sign-up bonus today.

Kalshi Promo Code SDS for $10 Bonus

If you’re looking to get involved in the prediction markets, this welcome offer is as straightforward as it gets. By hitting the trading requirement on any March Madness game this week, new users can secure bonus funds to expand their portfolio.

Here is the breakdown of the current promotion:

Kalshi Promo CodeSDS
New Kalshi User Offer$10 sign-up bonus
Terms and Conditions18+ and Present in the US
Date Last VerifiedMarch 18, 2026

Kalshi Promo Code Offer Details

New Kalshi customers eyeing any March Madness game Thursday can lock in a $10 sign-up bonus through this exclusive welcome offer. Whether you’re backing the Blue Devils to win big or Siena to cover the spread, this promotion gives you extra capital to attack the market. To unlock the bonus, users simply need to complete a cumulative total of $10 in trades on Kalshi’s prediction markets.

You’ll need to make a first-time deposit of at least $1 to access the offer. One of the things we appreciate about the Kalshi platform is its reach; it is available to residents in all 50 states, meaning traders across the country can take a position on the action. Users must be at least 18 years old to create an account. Once that trading requirement is met, the bonus funds hit your account, ready to be deployed on future college basketball events or other market opportunities.

Use Kalshi for March Madness Predictions

MatchupSpreadProbability
Siena Saints vs. Duke Blue DevilsSiena +28.5 / Duke -28.52% / 99%
High Point Panthers vs. Wisconsin BadgersHigh Point +8.5 / Wisconsin -8.520% / 81%

As a 1 seed in the tournament, the top-ranked Duke Blue Devils are massive 28.5-point spread favorites over the Siena Saints in their 2:50 p.m. ET clash, with the total set at 136.5. Meanwhile, the Wisconsin Badgers enter their 1:50 p.m. ET matchup as 10.5-point favorites against the High Point Panthers, carrying a much higher total of 164.5 points.

When looking at the statistical breakdown to find market value, Duke enters Thursday’s contest as the No. 1 overall seed with a dominant 32-2 record. Even with starting guard Caleb Foster unlikely to play, the Blue Devils’ sheer talent depth contrasts sharply with Siena. The Saints (23-11) rely heavily on defensive intensity inside the arc, but they have yet to face a top-50 opponent this season. Obviously, Duke is the heavy, heavy favorite to win, with the intrigue here being how close can Siena keep the spread.

In the second matchup, a battle-tested Wisconsin squad (24-10) faces a dangerous 30-4 High Point team that averages a blistering 90.0 points per game. While the Panthers lack top-tier schedule experience, their high-octane tempo makes them a fascinating study in potential 5-vs-12 prediction markets, and not a bad underdog selection at 20%

How to Activate the Kalshi March Madness Promo Code SDS

Ready to dive into today’s college basketball action? Activating your new user promotion is a quick and straightforward process. Follow these simple steps to set up your profile and claim your bonus:

  1. Download the App: Start by downloading the Kalshi app to your preferred mobile device.
  2. Create an Account: Register for a new account by providing standard personal information and submitting proof of identification to verify your identity.
  3. Enter the Promo Code: Make sure to enter the promo code SDS during the registration process to opt into this exclusive welcome offer.
  4. Make a Deposit: Fund your account by making a first-time deposit of at least $1.
  5. Place Your Trades: To activate the offer, you must make a total of $10 worth of trades on the platform. You do not have to make any single trade worth $10; a cumulative sum of $10 in trades is all it takes to satisfy the requirement.

Once you have successfully executed $10 in total trades, your $10 sign-up bonus will be unlocked and available in your account. You can immediately use this extra capital to continue building your portfolio and predicting the outcomes of tonight’s thrilling matchups.

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