By using the Kalshi promo code MILE15, new customers can unlock a sweet $15 bonus after making just $10 in trades on the platform. Register here to start making sports predictions with this welcome offer.
This promotion is the perfect way to build your bankroll for today’s MLB matchups—like the Baltimore Orioles taking on the Los Angeles Dodgers—as well as any other MLB game this week. And here is the kicker: we can even use this bonus to forecast upcoming World Cup matches.
Get $15 Upgraded Bonus with the Kalshi Promo Code MILE15
| Kalshi Promo Code | MILE15 |
|---|---|
| New User Offer | $15 Bonus |
| Terms and Conditions | 18+ and Present in the US |
| Date Last Verified | June 21, 2026 |
As new customers, grabbing this welcome offer gives us a real chance to maximize our entries into today’s prediction markets. Once you punch in that promo code, you’ll be set up to get your $15 sign-up bonus, which unlocks as soon as you’ve made $10 in trades. Kalshi is uniquely available to players in all 50 states (you just need to be 18 or older to get in the game).
To get started, simply make a first-time deposit of at least $1. Then, once you’ve made $10 in trades, that extra $15 hits your account. Whether you want to put your money on high-profile divisional matchups—like probable starters David Peterson and the New York Mets facing Zack Wheeler and the Philadelphia Phillies—or look out West to back the Orioles against Emmet Sheehan and the Dodgers, we’ve got plenty of angles to attack. You can even save some of that bonus for the World Cup!
MLB Games and Probabilities on Sunday
I always look at the true win probability when I’m scanning the morning line to find our best spots. Let’s break down tonight’s chances:
| Matchup | Probability |
|---|---|
| PIT @ COL | PIT 56.8% / COL 43.2% |
| BAL @ LAD | BAL 34.7% / LAD 65.3% |
| BOS @ SEA | BOS 43.8% / SEA 56.2% |
| NYM @ PHI | NYM 37.3% / PHI 62.7% |
Here is how the math shakes out. If you trade $10 on the slate’s heaviest favorite, the Los Angeles Dodgers (65.3%), you would lock in a steady profit of $4.67. But if you’re like me and love hunting for a bigger payout, placing that same $10 on the heaviest underdog, the Baltimore Orioles (34.7%), would net you a cool $17.60 profit if they pull off the road upset.
When we dig into the stats, we see exactly why LA is so heavily favored in this clash. The Dodgers are rolling with a robust 3.348 team ERA and a .262 batting average, significantly outpacing the Orioles’ 4.546 ERA and .240 average.
However, I’ve got my eye on the Mets against the Phillies for a tighter statistical profile. The Mets bring a slightly better pitching staff (3.918 ERA vs. Philly’s 4.100 ERA) and a lineup that marginally edges out the Phillies’ hitters (.233 average vs. .229 average). In my book, New York offers some seriously intriguing value as a road underdog.
How to Sign Up with the Kalshi Promo Code
If you want to jump into the trenches with me, follow these simple steps to claim your $15 sign-up bonus before the first pitch:
- Register an Account: Create your new profile here by providing your standard personal information. Since Kalshi is a regulated financial exchange, you will also be required to provide proof of identification to verify your account.
- Enter the Promo Code: Don’t forget this part—enter Kalshi promo code MILE15 during registration to attach the welcome offer to your account.
- Make a Deposit: Fund your account with a first-time deposit of at least $1.
- Place Your Trades: To fully activate the offer and unlock those bonus funds, make $10 worth of trades on the platform.
The best part? You do not have to place a single trade worth $10 to qualify. I personally like to spread my risk, and you can accumulate a sum of $10 in trades across multiple markets. Once your cumulative trades hit that $10 threshold, your $15 bonus will immediately become available, ready for you to use on the diamond or the upcoming World Cup.