Kalshi prediction markets are being added to the Sleeper sports app, extending access to around 10 million users in the US.

• Kalshi prediction markets are now accessible inside Sleeper, allowing users to trade event contracts without leaving the app. The feature sits alongside Sleeper’s fantasy leagues and Picks products. Sports-related contracts are live at launch, with more event categories expected later.

• Sleeper offers the product through its partnership with Kalshi, a CFTC-regulated exchange, with trades routed to Kalshi’s platform. Users must complete identity verification before accessing markets. The rollout aligns with periods of high interest around major US sporting events.

• Kalshi said the partnership supports its wider distribution strategy by embedding prediction markets into consumer platforms. “Partnering with Sleeper allows us to reach users where they already engage with sports,” the company said. The deal adds Sleeper to Kalshi’s growing list of third-party integrations.

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