Spotify has reduced the official stream total for a hit song after detecting suspicious activity linked to wagers placed on Kalshi, the prediction market where users can bet on music chart outcomes. The move signals growing concern among streaming platforms that betting markets tied to real-time chart data could incentivize stream manipulation.
Kalshi disclosed in April that trading volume on its music-related contracts had already surpassed $400 million so far in 2026, underscoring how quickly wagering on song and artist performance has scaled. The platform lets users bet on outcomes such as whether a track will hit certain streaming or chart milestones.
Spotify’s action raises questions about how streaming services will police data integrity as prediction markets increasingly tie financial stakes to metrics the platforms themselves report.
Read the full story at Music Business Worldwide.