Kalshi Promo Code WSN: Trade $25 and Get $25 on Storm vs. Aces (September 20)

Kalshi Promo Code WSN for Sunday, September 20, 2026

The table below outlines the core parameters for claiming the welcome bonus ahead of Sunday's action.

Is Kalshi Legal in Your State?

Kalshi is fully operational and legal in 47 US states along with Washington, D.C. It is currently unavailable in only three states: Michigan, Nevada, and Washington, where state regulators have actively challenged its sports event contract offerings.

Because Kalshi operates as a Commodity Futures Trading Commission (CFTC) regulated exchange rather than a standard sportsbook platform, it lists event contracts nationwide by default. Access closes strictly in jurisdictions where state regulators force a withdrawal. This unique regulatory structure allows availability to shift faster than traditional state-licensed gambling platforms, so traders should verify their local jurisdiction status before depositing funds.

Disclaimer: State availability remains subject to ongoing regulatory developments and litigation. Always verify Kalshi's active state status directly on their platform prior to creating an account.

How to Claim the Kalshi Promo Code $25 Bonus

Getting started on Kalshi requires completing a standard financial exchange verification process. Follow these simple steps to claim the welcome incentive:

1. Navigate to the official Kalshi website or download the mobile app on iOS or Android.

2. Click the registration button and enter your name, email address, and date of birth.

3. When prompted during the setup process, input the Kalshi promo code WSN in the designated field.

4. Provide your address and identity verification details required by CFTC exchange regulations.

5. Deposit a minimum of $20 (or $25+ to fully qualify for the promotion) using a connected bank account or wire transfer.

6. Execute $25 in cumulative trades on any available event contract, including WNBA markets to trigger the $25 bonus credit to your account.

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

Featured Matchup: Storm vs. Aces

This late-season WNBA matchup pits the Las Vegas Aces (28-13) against the Seattle Storm (8-34) in Las Vegas. The Aces enter as heavy favorites following a decisive 114-77 victory over Seattle on September 17, 2026.

Las Vegas features a star-studded lineup anchored by four-time league MVP A'ja Wilson, alongside core producers Jackie Young, Chelsea Gray, and Jewell Loyd. The Aces have won four consecutive games and look to maintain their high-powered offensive rhythm.

The Seattle Storm, led by Natisha Hiedeman, Flau'jae Johnson, and Dominique Malonga, are seeking an improved performance after struggling defensively in recent outings. Market prices reflect significant confidence in Las Vegas's depth and home-court advantage at Michelob ULTRA Arena.

Today's Markets for Storm vs. Aces (September 20, 2026)

Event contracts on Kalshi trade between $0.01 and $0.99 per share based on implied probability. If a contract settles "Yes," each winning share pays out $1.00. Below are current contract prices for Sunday's matchup:

Note: Market prices change continuously based on trading activity.

Use Kalshi Promo Code WSN and Get $25

How to Watch Seattle Storm vs. Las Vegas Aces

• Date: Sunday, September 20, 2026

• Time: 9:00 PM ET / 6:00 PM PT

• Venue: Michelob ULTRA Arena, Las Vegas, NV

• TV Broadcast: USA Network, CNBC

• Local Networks: CW Seattle, The Spot-Vegas 34

• Live Streaming: Amazon Prime Video, Fubo, WNBA League Pass