Prediction platform Kalshi is facing fury from traders after it refused to pay out around $54 million to users who bet that Ayatollah Ali Khamenei would be out as Iran's supreme leader last weekend, despite his death being confirmed in airstrikes on Tehran.
The row over the Ayatollah Ali Khamenei market has raised awkward questions about how these platforms define their own rules, and whether users ever really know what they are betting on.
