Kalshi Promo Code TSN15: Get Up to $500 Bonus for MLB Predictions This Weekend

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As a handicapper, there's nothing better than finding a real chance at a nice pay day, and today's slate of games is primed for action. New customers can use the Kalshi promo code TSN15 to unlock a massive welcome offer ahead of the first pitch. By signing up here and making $25 in trades, you can score up to a $500 trading bonus.

We're in this together, so whether you're eyeing today's marquee matchup featuring the Atlanta Braves visiting the New York Yankees, or looking ahead to any other MLB game this weekend, this is the perfect way to build your bankroll.

Claim $500 Bonus Using the Kalshi Promo Code TSN15

Kalshi Promo CodeTSN15
New User OfferTrade $25, Get Up to $500 Bonus
Terms and Conditions18+ and Present in the US
Date Last VerifiedAugust 7, 2026

Start with $25 in Trades

We all love a good welcome offer, and this one is built for serious action. New Kalshi customers who sign up today can take advantage of an exciting promotion: trade $25 on prediction markets and earn up to a $500 sign-up bonus. This isn't a flat bonus; instead, it offers tiered payouts based on a random draw. Here is exactly how the bonus tiers break down:

  • 70% of participants receive a $15 trading bonus
  • 24% of participants receive a $35 trading bonus
  • 5% of participants receive a $75 trading bonus
  • 0.65% of participants receive a $100 trading bonus
  • 0.35% of participants receive a $500 trading bonus

To get started and claim your bonus, you must first make a minimum deposit of at least $1 into your new account. Once funded, execute your $25 in trades on their prediction markets to unlock your bonus tier. Remember, this is exclusively for new Kalshi customers, making it a fantastic opportunity to step up to the plate and trade on today's MLB slate.

Ways to Use Your Bonus on Friday

MatchupProbability
TOR @ PHI34.2% / 65.8%
ATL @ NYY41.8% / 58.2%
HOU @ SD46.9% / 53.1%
LAD @ ARI61.9% / 38.1%

Let's look at how we might go about applying the Kalshi promo code Friday.

When I'm handicapping a Friday slate, I love looking at the raw win probabilities to find market value. Today, the Philadelphia Phillies sit as our heaviest favorite with a massive 65.8% implied chance to win, while the Toronto Blue Jays are the biggest underdogs at just 34.2%.

Looking at today's premier matchups, the Braves visiting the Yankees offers an intriguing statistical battle that I'll definitely be trading on. Atlanta might have a lower win probability (41.8%), but they enter the game hitting .250 with a .737 OPS, compared to New York's .231 average and .722 OPS. The Yankees counter with an elite pitching staff sporting a 3.334 ERA, making it a true clash of strengths.

Out west, the Dodgers (61.9% probability) are heavy road favorites against the Diamondbacks. Los Angeles brings a stout .262 team batting average and a 3.744 pitching ERA, which outpaces Arizona's .243 average and 4.207 ERA across the board. These are the kinds of spots where a well-placed trade gives us a real chance to beat the market.

Applying the Kalshi Promo Code

Getting started with Kalshi and securing your welcome bonus is a straightforward process. I always tell my readers that getting set up properly is step one to a winning strategy. Follow these simple steps to activate the offer before today's MLB action begins:

  1. Create an Account: Register for a new account here by providing standard personal information (such as your name, address, and date of birth).
  2. Verify Your Identity: Provide proof of identification to securely verify your new account.
  3. Enter the Promo Code: When prompted during the registration process, be sure to enter the Kalshi promo code TSN15 to opt into the welcome offer.
  4. Make a Deposit: Link a payment method and make a first-time deposit of at least $1 into your account.
  5. Start Trading: Execute trades on Kalshi's prediction markets.

To fully activate the offer and receive your bonus, you must make a total of $25 worth of trades. You do not have to place a single "key" trade worth $25. Any combination of smaller trades that sum up to $25 will satisfy the requirement, unlock your tiered bonus funds, and get us ready for a great weekend of baseball.

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