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Kalshi Promo Code TSN15: Get $15 Bonus for MLB Predictions After $10 in Trades originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.
Use the Kalshi promo code TSN15 to get a $15 bonus after making just $10 in trades. Register here to activate this welcome offer and start making MLB predictions.
We're in this together, so I'm going to show you exactly how to use this introductory offer to make smart predictions on today's MLB matchups—including the Tampa Bay Rays facing the Toronto Blue Jays, the Arizona Diamondbacks taking on the St. Louis Cardinals, and the Kansas City Royals visiting the Detroit Tigers—as well as any other games on the board this week.
Kalshi Promo Code TSN15: Overview
Kalshi Promo Code | TSN15 |
|---|---|
New User Offer | $15 Bonus |
Terms and Conditions | 18+ and Present in the US |
Date Last Verified | July 23, 2026 |
Trade $10 on MLB for $15 Bonus
This exclusive promotion is strictly for new Kalshi customers who are ready to get in the trenches and start trading. To claim your $15 sign-up bonus, you just need to make a minimum first-time deposit of at least $1. Once you've got a little skin in the game, that $15 bonus will successfully unlock after you have made $10 in cumulative trades on Kalshi's prediction markets.
It is a straightforward strategy that lets us quickly capitalize on today's MLB slate, whether you are backing the Rays against the Blue Jays or playing the moneyline on the Diamondbacks and Cardinals.
Kalshi is uniquely accessible, as the platform is fully available in all 50 states (users must be at least 18 years of age to play). Once your account is set up and that initial deposit clears, we can immediately begin making predictions on exciting matchups like the Royals and Tigers, working our way toward that $10 trading requirement to secure our welcome bonus.
Probabilities for Thursday's Games
Matchup | Probability |
|---|---|
TB @ TOR | TB 50.4% / TOR 49.6% |
ARI @ STL | ARI 47.0% / STL 53.0% |
KC @ DET | KC 35.4% / DET 64.6% |
Let's break down the math. If you want to use your $10 in required trades on today's heaviest morning line favorite, the Detroit Tigers, a winning prediction would net you $4.83 in profit. Conversely, if we want to chase a bigger payout and back the biggest underdog, the Kansas City Royals, that same $10 trade would yield an impressive $17.10 profit.
When I am looking for the best bet, the matchup between Kansas City and Detroit presents a glaring contrast on the mound. While the Royals hold a slight offensive edge with a .248 team batting average and .715 OPS compared to the Tigers' .235 average and .712 OPS, Detroit's pitching is vastly superior. The Tigers boast a 3.64 team ERA and a 1.22 WHIP, whereas the Royals have struggled to the tune of a 4.93 ERA and 1.44 WHIP. This massive run prevention discrepancy makes Detroit a comfortable key for your daily trades.
Meanwhile, the Arizona and St. Louis matchup is a near coin-flip on paper. Both squads are hitting exactly .240 on the season, with the Diamondbacks holding a razor-thin advantage in OPS (.704 to .700). On the bump, the Cardinals edge out Arizona slightly with a 4.12 ERA compared to the Diamondbacks' 4.21 ERA. With such evenly matched statistics across the board, this game could easily go down to the wire, presenting some serious value if you are hunting for an underdog.
Signing Up with the Kalshi Promo Code
Claiming your welcome bonus is quick and easy. Follow my personal playbook to activate the offer and get into the action:
- Sign Up: Create and register a new account here by providing standard personal information.
- Verify Identity: Provide the required proof of identification to secure and verify your account.
- Enter Promo Code: Enter the Kalshi promo code TSN15 during the registration process.
- Make a Deposit: Fund your new account by making a first-time deposit of at least $1.
- Place Your Trades: Make a total of $10 worth of trades on Kalshi’s prediction markets.
Here is a pro tip for smart bankroll management: you do not need to make a single trade worth the full $10 to qualify. You can easily reach the required amount through a sum of smaller trades. For example, I'm placing a few dollars on Shane Bieber and the Toronto Blue Jays, and putting the rest on that tight matchup between the Arizona Diamondbacks and St. Louis Cardinals.
Once your total cumulative trades hit the $10 threshold, your $15 bonus will automatically be made available in your account, giving us even more ammunition to use on the diamond this week.
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