Sports Gambling

Kalshi Promo Code BROAD: Get $10 Bonus for Celtics-Sixers, NBA Playoffs Trades

By Matt Modi

Published: Apr 30th, 2026 · 5:39 PM EDT

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All new users can secure a $10 bonus after signing up and making $10 in trades ahead of this highly anticipated NBA Postseason showdown between the 76ers and the Celtics tonight. By activating the Kalshi promo code BROAD, new customers can claim a $10 sign-up bonus that is unlocked after making $10 in trades. You can take advantage of this welcome offer ahead of today’s pivotal matchup scheduled for 8:00 PM EDT. Whether you plan to trade on tonight’s Eastern Conference clash or want to explore other percentages, this flexible promotion applies to today’s game as well as any NBA prediction market this week or throughout the current round of the playoffs.

Kalshi Promo Code BROAD for NBA, Celtics-Sixers Bonus

Kalshi Promo Code	BROAD
New Kalshi User Offer	$10 sign-up bonus
Terms and Conditions	18+ and Present in the US
Date Last Verified	April 30th, 2026

It does stand to reason that to capitalize on market inefficiencies, you need the right tools. By taking advantage of the Kalshi promo code, new Kalshi customers can jumpstart their prediction market experience with an exciting welcome offer during the NBA 2025 Postseason. When you sign up and make a first-time deposit of at least $1, you will be well on your way to earning a $10 sign-up bonus. This provides the perfect opportunity to secure your positions before the Philadelphia 76ers and Boston Celtics tip off tonight.

To fully unlock the $10 bonus, you simply need to make $10 in trades on Kalshi’s prediction markets. Kalshi is accessible nationwide—as it is available in all 50 states—and users must be at least 18 to play. Whether you are backing the Celtics on the road or counting on a 76ers home defense, you can confidently place your trades before the action unfolds at 8:00 PM EDT.

Use Kalshi Bonus on Celtics vs. Sixers Tonight

Team	Probability
Boston Celtics	67.4%
Philadelphia 76ers	32.6%

When looking at the 2025 Postseason statistics to uncover an analytical edge, Boston holds a clear advantage over Philadelphia in key categories. The Celtics boast a positive 7.2 Net Rate (estimated points scored minus points allowed per 100 possessions), while dominating the boards, securing 54.8% of available rebounds. These contrasting percentages heavily favor the Celtics controlling the flow of the game, reinforcing their status as the mathematical favorite.

How to Activate the Kalshi Promo Code BROAD

Getting started with your prediction market journey is a simple process. Follow these straightforward steps to claim your welcome offer before the Boston Celtics take on the Philadelphia 76ers:

1. Download the App: Start by downloading the official Kalshi app to your mobile device.
2. Create an Account: Register a new account by entering standard personal information. As part of the standard security process, you will also need to provide proof of identification.
3. Apply the Promo Code: During registration, make sure to enter the promo code BROAD to attach the sign-up bonus to your profile.
4. Make a Deposit: Link a payment method and make a first-time deposit of at least $1 into your new account.
5. Execute Your Trades: To fully activate the offer and unlock the reward, you must make $10 worth of trades. It is important to note that you do not have to make a single trade worth $10. You simply need to reach a cumulative sum of $10 in trades. You can spread these trades across various predictions, such as tonight’s 8:00 PM EDT Postseason clash.

Once your total trade volume reaches the $10 threshold, your $10 sign-up bonus will be available to use!