Serena Williams returns to Wimbledon on Tuesday, and it's the perfect occasion to claim the Kalshi promo code CBSSPORTS for a $15 bonus after $15 worth of trades. Williams faces Maya Joint at noon ET in her first grand slam match since 2022. Kalshi has Williams trading at $0.44 per share, while Joint is $0.56. Claim your $15 bonus after $15 in trades here with the Kalshi promo code CBSSPORTS:
For the full terms and conditions and how to claim the promo, read our Kalshi promo code review.
How to claim the Kalshi promo code
New users can get the Kalshi promo code to receive this offer. For those who haven't used Kalshi and want a $15 cash bonus, use the steps below. Here is how to sign up.
- Select "CLAIM BONUS" on this page or click here.
- Sign up for a Kalshi account and make a deposit.
- Trade at least $15 in event contracts.
- Receive your $15 bonus regardless of the trade outcomes. The credit expires in 30 days and cannot be withdrawn.
After making the first $15 in trades with the Kalshi referral code CBSSPORTS, new users will be given a $15 bonus after $15 in trades here:
Serena Williams vs. Maya Joint Wimbledon preview
Serena Williams returns to grand slam singles tennis for the first time since the 2022 US Open, despite being 44 years old. Williams is a 23-time grand slam champion who spent 319 weeks atop the WTA rankings. She has won Wimbledon seven times, but she is facing an uphill battle due to her age.
Maya Joint is a former top-30 player who has dropped outside the top 50 following a 3-15 start to the season. The Australian went 5-2 in grass-court matches last year though, including a win over Emma Raducanu. She is 2-7 in grand slam tournaments in her career, reaching the second round of the US Open in 2024 and 2025.
Kalshi has Joint priced at $0.56 per share in this match, while Williams is $0.44. Kalshi users can also trade on Williams' exact round of elimination, which includes the first round ($0.56), second round ($0.21) and third round ($0.15). Trade Serena Williams at 2026 Wimbledon here with the Kalshi promo code CBSSPORTS and get a $15 bonus after $15 in trades:
Responsible Risk Management
It's a top priority for Kalshi to keep its users safe. Kalshi offers various 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.
