Unraveling the story about George Santos' insider trading on Kalshi

This week, the popular prediction market known as Kalshi banned former Congressman George Santos for life and fined him more than 70-thousand dollars — after he engaged in insider trading on the site.

That came as no shock to NPR technology correspondent Bobby Allyn. Earlier this year, Allyn broke the story that Santos was under investigation by the Justice Department for manipulating the market about whether he would or would not attend this year’s State of the Union address.

For Reporter’s Notebook, Allyn talks about how he broke the story and the fallout from it.

This episode was produced by Gabriel Sanchez.

Our director is Alejandra Marquez Janse.

It was edited by Adam Raney.

Our interim executive producer is Courtney Dorning.

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