Kalshi Promo Code WSN: Get a $10 Bonus for Yankees vs Mariners

The Kalshi Promo Code WSN gives new traders a $10 bonus when they trade $100 on the platform. As the Yankees and Mariners prepare for their Monday night showdown at T-Mobile Park, market participants can now trade on the game's outcome legally across the U.S. Use code WSN to secure your bonus for tonight's cross-country clash.

Kalshi Promo Code WSN for Yankees vs Mariners

This offer provides an immediate boost to your capital as you navigate the high-stakes environment of Major League Baseball. By trading $100 in contracts, you trigger a $10 credit, effectively lowering your entry cost into the market.

The Yankees bring one of the most powerful offenses in the league to Seattle, while the Mariners counter with an elite pitching rotation that leads the league in several statistical categories. Using the WSN code allows you to take a position on whether New York’s power or Seattle’s home-field pitching dominance will prevail.

How to Claim the Kalshi Promo Code

Follow these steps to secure your welcome offer and start trading:

1. Click through our affiliate link to visit the Kalshi official registration page.

2. Create your account by providing your email and basic details.

3. During signup, ensure you enter the Kalshi promo code WSN.

4. Make a minimum deposit (as low as $5, though $100 is needed for the full offer).

5. Place $100 worth of trades on the Yankees vs Mariners market or any other event.

6. Your $10 bonus credit will be applied once the trade volume requirement is met.

Need more info? Read our Kalshi Review to learn more.

Expert Prediction for Yankees vs Mariners

The Yankees enter this matchup boasting a top-three ranking in collective OPS and home run production. Their ability to generate runs via the long ball makes them a threat in any stadium, even the pitcher-friendly confines of Seattle.

However, the Mariners' defense and starting rotation remain incredibly disciplined. Seattle ranks near the top of the league in WHIP (Walks + Hits per Innings Pitched) and has shown a remarkable ability to limit extra-base hits at home. Given the atmospheric conditions in Seattle for a night game, the pitching advantage often tilts toward the home side.

• The Pick: Prediction: Mariners to win (Yes).

Use Kalshi Promo Code WSN and Get a $10 Bonus

How to Watch Yankees vs Mariners

• Date & Time: Monday, March 30, 2026, at 9:40 PM ET

• Location: T-Mobile Park, Seattle, WA

• TV Channel & Streaming Services: YES Network, ROOT SPORTS Northwest, MLB.TV

Is Kalshi Legal?

Kalshi is a fully legal and regulated exchange, overseen by the Commodity Futures Trading Commission (CFTC). Unlike traditional offshore sportsbooks, Kalshi operates as a designated contract market.

This means you are trading "Yes/No" contracts on real-world outcomes in a transparent, regulated environment. Because of its federal regulatory status, Kalshi is available to users in all 50 U.S. states, offering a secure way to trade on everything from sports to economic indicators.

Kalshi Promo Code Terms and Conditions

• New users only; must be 18+ years of age (21+ in some jurisdictions).

• Available in all 50 U.S. states.

• Must trade at least $100 in total contract volume to trigger the $10 bonus.

• Must use Kalshi promo code WSN during the account creation process.

• Bonus credits may be subject to expiration if not utilized within the specified promotional period.