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Kalshi promo code SL500: Earn up to a $500 trading bonus for Mariners-Rangers, Cubs-Cardinals, MLB on Tuesday

Kalshi offers new users up to a $500 bonus in trading credits after trading $25 with the Kalshi promo code SL500

ByPublished: Jul 28, 2026 3:56PM UTC . 4 min read
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Tuesday's baseball schedule features 16 games in action and the latest Kalshi promo code SL500 allows new users to get up to a $500 bonus in trading credits when they make $25+ in trades. The Atlanta Braves and Milwaukee Brewers will try to bounce back on Tuesday after dropping their series-openers to the New York Mets and the San Francisco Giants. The Texas Rangers and Tampa Bay Rays also begin a three-game series in a matchup that features two divisional leaders with high postseason expectations. Claim up to $500 in bonus trading credits after $25 in trades here with the Kalshi promo code SL500:

For more information, check out our Kalshi promo code review page, including for the offer's full terms and conditions.

The bonus trading credit an eligible user receives ranges from $15 to $500. Here is what percentage of new users will receive each credit value: 

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

Tuesday MLB trading preview

The Tampa Bay Rays face the challenge of another friendly foe, hosting the Texas Rangers in a three-game series beginning this afternoon. Tampa Bay is tough to beat at home this season, posting a 38-15 home record and riding a three-game home winning streak. The Texas Rangers' 7-3 win yesterday helped extend their lead over the Mariners in the American League West to 2 ½ games. Both teams are hot right now in this clash of AL divisional leaders, with Rangers' Joc Pederson, who has five home runs in his last 10 games, including two last night. However, Kalshi has Junior Caminero priced at $0.78 to have at least one combined hit, run, and RBI. The Rays are trading at $0.63 per share to win, and the Rangers are priced at $0.38 per share to win on Kalshi.  

The Cubs earned their 60th win of the season last night when they defeated the Cardinals in St. Louis, 7-3. Chicago and St Louis are locked in a National League Central battle that will be featured in primetime tonight and broadcast nationwide. Alex Bregman is trading for $0.75 on Kalshi to have at least one hit after homering yesterday to break out of his recent slump. Kalshi has tonight's game shaping up as a tightly contested battle, with the Cubs narrowly favored at $0.52 per share to win over the Cardinals, who are priced at $0.50.

The Brewers dropped a game to the Giants on the road 3-0 in last night's action, but they still have the second-largest lead in their division in the entire MLB, currently at six games. The Brewers need to win this series as they are chasing down the Dodgers to grab the number one seed in the National League for a second- straight year. The race for the top seed in the NL is separated by less than a game with just two months left in the regular season. Although San Francisco is without key players Matt Chapman and Jung Hoo, they are trading at $0.44 per share to have at least four runs against Milwaukee at $0.46 to have over five runs on Kalshi. Trade on the MLB and more at Kalshi with the promo code SL500:

Responsible Risk Management

It's a top priority for Kalshi to keep its users safe. Kalshi offers several risk management tools for traders that can be used at any time, including trading breaks, voluntary opt-out, and a personalized funding limit. 

Prediction Markets are regulated by the Commodity Futures Trading Commission (CFTC) - an independent agency of the U.S. federal government.

Event contracts trading involves a risk of substantial loss and is not suitable for all investors. Participation in prediction markets is subject to applicable eligibility requirements. Participation may be restricted or prohibited in certain jurisdictions and participants are responsible for ensuring their participation complies with applicable laws and regulations in their jurisdiction.

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Janine Brown
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