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Kalshi Promo Code BROAD: Get $25 Bonus for Lions vs. Bills on Thursday Night Football
By Matt Modi
Published:
Last Updated: September 17, 2026
Ahead of the Thursday Night Football matchup between the Lions and the Bills, new users can redeem a $25 bonus by activating the Kalshi promo code BROAD.
Key Takeaways
- Use promo code BROAD to trade $25 and get a $25 bonus on Kalshi’s NFL prediction markets.
- Minimum first deposit is just $1; the bonus is available in all 50 states to users 18+.
- Tonight’s featured game: Detroit Lions @ Buffalo Bills, Sept. 17, 2026, 8:15 PM ET, Highmark Stadium, airing on Amazon Prime Video.
- The Bills are trading at a 1.54x multiplier (65.0% implied win probability); the Lions are at 2.86x (35.0%).
- The spread is Bills -4.5, with a 53.5-point over/under total.
What Is Kalshi?
Kalshi is a federally regulated prediction market platform, not a traditional sportsbook. Instead of placing a bet against a bookmaker, users trade contracts on the outcome of real-world events — including NFL games — at prices that reflect the market’s implied probability of that outcome occurring.
Kalshi Promo Code BROAD for $25 NFL Bonus
Quick Answer: Use Kalshi promo code BROAD to trade $25 and get a $25 bonus on any NFL prediction market, including tonight’s Lions vs. Bills matchup.
| Category | Details |
|---|---|
| Promo Code | BROAD |
| Bonus Offer | Trade $25, Get a $25 Bonus |
| Minimum First Deposit | $1 |
| Eligibility | 18+ and physically present in the US |
| State Availability | All states except AZ, IL, MA, MD, MI, MT, NV, OH and WA |
| Featured Game Tonight | Detroit Lions @ Buffalo Bills, Sept. 17, 2026, 8:15 PM ET, Highmark Stadium |
| Broadcast | Amazon Prime Video |
| Date Last Verified | September 17th, 2026 at 9:45 a.m. EST |
To qualify for this promotion, you must be a new customer and make a first-time deposit of at least $1 into your account. The $25 bonus is officially unlocked and credited after your total trading volume reaches $25 on their prediction markets. Kalshi operates across all 50 states, and individuals must be at least 18 years of age to participate.
Use Kalshi NFL Promo Tonight on Lions vs. Bills
Quick Answer: The Buffalo Bills are trading at a 1.54x multiplier (65.0% implied win probability) at home over the Detroit Lions (2.86x multiplier, 35.0%), with a -4.5 point spread and a 53.5-point over/under total.
On Kalshi, implied probability is the market’s estimated likelihood of an outcome, expressed as a percentage. The multiplier reflects the payout per $1 traded, calculated as 1 ÷ implied probability. A lower multiplier means a higher implied probability of winning (a safer, lower-payout trade), while a higher multiplier means a lower implied probability (a riskier, higher-payout trade).
| Team | Kalshi Multiplier | Spread | Win Probability |
|---|---|---|---|
| Buffalo Bills (Home) | 1.54x | -4.5 (-106) | 65.0% |
| Detroit Lions (Away) | 2.86x | +4.5 (-113) | 35.0% |
| Game Total (O/U) | 53.5 | O -112 / U -108 | — |
When deciding how to allocate your initial $25 trade to unlock the bonus, evaluating the implied probabilities and seasonal metrics provides a clearer picture. A $25 position on the home favorite, the Buffalo Bills (1.54x), yields a potential profit of $13.46. A $25 trade on the underdog Detroit Lions (2.86x) instead projects a larger $46.43 profit.
Per each team’s 2026 season statistics through Week 2, Buffalo’s offense leads the metrics with 36.0 points and 409 total yards per game. Detroit trails only slightly, posting 31.0 points and 369 total yards per contest. (Stats sourced from official NFL game data through Week 2 of the 2026 season.)
Detroit holds an edge in situational metrics, though. The Lions convert 38.5% of third downs, versus Buffalo’s 33.3%. Detroit also converts 80.0% of red-zone trips, while Buffalo has converted just 33.3% there. Both teams share a matching +2 turnover differential.
While Buffalo’s baseline production supports their 65.0% implied probability of winning, Detroit’s sharper red-zone and third-down efficiency presents a logical case for trading the underdog.
How to Activate the Kalshi Promo Code BROAD
Getting started and securing your welcome bonus follows a clear, step-by-step process. To ensure your $25 bonus is ready for NFL action, follow these instructions to activate the offer:
- Download the App: Navigate to the App Store or Google Play Store and download the Kalshi application to your mobile device.
- Create an Account: Register for a new account by submitting standard personal information. You will also need to provide valid proof of identification to verify your identity.
- Enter the Promo Code: During registration, input the Kalshi promo code BROAD to link the welcome offer to your profile.
- Make a Deposit: Fund your prediction account with a first-time deposit of at least $1.
- Start Trading: Execute $25 worth of trades on the platform to activate the offer and unlock your $25 bonus.
Note: You do not need to execute a single, lump-sum trade of $25 to qualify. The requirement is satisfied once your cumulative sum of trades reaches $25. Once that threshold is achieved, the $25 bonus instantly becomes available in your account.
FAQ
What is the Kalshi promo code for tonight’s Lions vs. Bills game?
New users can enter promo code BROAD during sign-up to unlock a “Trade $25, Get a $25 Bonus” offer. The bonus applies to any NFL prediction market on Kalshi, including tonight’s Lions vs. Bills matchup.
When do the Lions play the Bills?
The Detroit Lions face the Buffalo Bills tonight, Thursday, September 17, 2026, at 8:15 PM ET at Highmark Stadium in Orchard Park, NY. The game airs exclusively on Amazon Prime Video.
What are the current odds for Lions vs. Bills?
The Buffalo Bills are favorites (65.0% implied win probability, 1.54x Kalshi multiplier) with a -4.5 spread, while the Detroit Lions are underdogs (35.0% implied probability, 2.86x multiplier) at +4.5. The game’s over/under total is set at 53.5 points.
How much do I need to deposit to claim the Kalshi bonus?
Just $1. A minimum first deposit of $1 is required to activate your account, and the $25 bonus is credited once your cumulative trading volume reaches $25.
Is the Kalshi promo code BROAD available in my state?
Yes. This offer is available in all 50 states to users who are at least 18 years old and physically present in the US.
Do I have to trade on Lions vs. Bills specifically to get the bonus?
No. You can place $25 worth of trades on any NFL prediction market on Kalshi — not just Lions vs. Bills — to unlock the $25 bonus.
What does the “multiplier” mean on Kalshi?
The multiplier is the payout per $1 traded on a winning contract, calculated as 1 ÷ implied probability. For example, a 1.54x multiplier means a $25 winning trade returns $38.50 (a $13.46 profit), while a 2.86x multiplier means a $25 winning trade returns $71.43 (a $46.43 profit).
Matt Modi works as a Sports Betting Writer, covering anything and everything sports betting related. His main focus is NFL, NBA and MLB, but anything going on in the sports betting landscape Matt can cover. Previously, he worked for Newsweek, OddsJam, SportsBettingDime and BettingPros, and brings a lot more experience than just writing. He used to host a Podcast called Sweat the Bet, and currently posts YouTube videos to the Crossing Broad Sports Betting channel where he uploads daily videos. Matt is a self-proclaimed tormented Philadelphia sports fan, with the greatest moment of his life being when he attended the Eagles Super Bowl victory over the Patriots with his mom. In his personal life, Matt lives outside of Charlottesville, VA with his wife and two dogs. They spend most of their time hiking and enjoying the outdoors, or at home watching movies.