Sports Gambling

Kalshi Promo Code BROAD: Get $10 Bonus for Spurs-Thunder, Sabres-Canadiens, MLB Trades

By Alex Payton

Published: May 18th, 2026 · 4:15 PM EDT

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There is nothing better than a high-stakes playoff game to test our handicapping skills, and today’s NBA postseason matchup between the San Antonio Spurs and the Oklahoma City Thunder gives us a real chance at a nice pay day. If you want to move beyond simple bets and start exploring event contracts, new customers can take advantage of an exclusive welcome offer by using the Kalshi promo code BROAD.

I’m placing my own trades on this platform, and I want to show you exactly how to get a $10 sign-up bonus, which unlocks immediately after you make $10 in trades. Whether you are zeroing in on tonight’s Spurs-Thunder game or looking to find an edge on the Eastern Conference Finals, this introductory offer is the perfect way for us to start trading and chasing bigger payouts together.

Kalshi Promo Code BROAD for the NBA Conference Finals

Kalshi Promo Code	BROAD
New User Offer	$10 Bonus
Terms and Conditions	18+ and Present in the US
Date Last Verified	May 18, 2026

Offer Overview

If you are a new customer looking to trade on this upcoming NBA postseason clash between San Antonio and Oklahoma City, this promotional offer is exactly what we need to help build our bankroll. By signing up, eligible users can secure a $10 sign-up bonus to use on prediction markets for tonight’s game at Paycom Center, or any other event on the board.

Here is the inside scoop on how it works: to claim the promotion, new customers just need to create an account and make a first-time deposit of at least $1. From there, your $10 bonus is fully unlocked after you make $10 in trades on their prediction markets. Kalshi is currently available to users in all 50 states, and you must be at least 18 years old to register and take advantage of this welcome offer.

Markets for Game 1: Spurs vs. Thunder

Team	Probability
Oklahoma City Thunder	67.17%
San Antonio Spurs	32.83%

When I’m handicapping a game, I always look at the potential return on investment. If you plan to use your required $10 in trades on tonight’s game, your payout depends on which side you take. A $10 trade on the favored Oklahoma City Thunder would yield a profit of roughly $4.27, returning a total payout of $14.27. On the flip side, if we back the underdog San Antonio Spurs with a $10 trade, we are looking at $19.20 in profit, generating a total return of $29.20 if they pull off the outright win.

So, who is the better play here? A quick look at their 2025 postseason statistics shows us an incredibly tight matchup. The Thunder hold a slim advantage in overall efficiency, posting a Net Rating of 17.6 compared to the Spurs’ 16.6. However, San Antonio has been doing the dirty work on the glass this postseason.

The Spurs boast a Total Rebound Percentage of 52.9%, just edging out Oklahoma City’s 51.8% mark. With both teams executing at a highly efficient level, these razor-thin margins tell us exactly how competitive this playoff clash is going to be.

Steps for Using the Kalshi Promo Code

Are you ready to jump into the action and trade on tonight’s Spurs-Thunder matchup? I’ve gone through this myself, and claiming the welcome offer is incredibly straightforward. Just follow my step-by-step guide below to set up your account and lock in that sign-up bonus:

1. Create an Account: Register as a new user here by entering your standard personal information. You will also need to provide a quick proof of identification to verify your account.
2. Enter the Promo Code: When prompted during the signup process, make sure to type in the Kalshi promo code BROAD.
3. Make a Deposit: Fund your new account by making a first-time deposit of at least $1.
4. Start Trading: Make $10 worth of trades on the platform to activate the offer. Here is a pro tip: you do not need to make a single trade of $10. You can spread it out across multiple smaller trades. As long as the total sum of your action reaches $10, you qualify for the promotion.

Once we have successfully placed an aggregate of $10 in trades, that $10 sign-up bonus will hit your account, fully available to use on any prediction market you want.