Kalshi demands Netflix take down trailer for ‘Prediction Games’ documentary

Prediction marketplace Kalshi sent Netflix a cease-and-desist missive connected Friday demanding that the streaming work instrumentality down the trailer for an upcoming documentary. In the letter, Kalshi claimed the trailer is “defamatory” and contains “both fabricated documents and mendacious and misleading statements.”

“Instadocs: The Prediction Games” is simply a documentary astir the emergence of prediction markets. According to Netflix, the movie — portion of the streamer’s “Instadoc” bid of fast-turnaround documentaries  — features interviews with some Polymarket CEO Shayne Coplan and Kalshi CEO Tarek Mansour.

The trailer, however, focuses connected a caller enactment successful Las Vegas, wherever men who person “made millions of dollars connected prediction markets, astir apt 8 figures, conscionable implicit the people of the World Cup” person gathered to ticker the World Cup final. One of the guests declares, “I similar betting connected Kalshi,” portion different shows disconnected an evident $5,000 stake connected their phone.

However, Kalshi is presently banned from operating successful Nevada owed to a tribunal order. In its cease-and-desist letter, Kalshi said the stake shown connected the telephone is really a screenshot of a stake made connected May 16, 2025 — agelong earlier the ban. But the institution argued that successful the trailer, Netflix “misled its millions of customers into believing this idiosyncratic was capable to successfully commercialized athletics lawsuit contracts successful Nevada connected July 19, 2026.”

In its letter, Kalshi besides said that it precocious spoke to a Netflix worker who “agreed not to diagnostic the receipt successful the documentary erstwhile it is released” connected Sunday, July 26.

“However — contempt Kalshi demonstrating to this worker that the claims successful the video were demonstrably mendacious — Netflix inexplicably refused to region the receipt from the trailer presently circulating connected the homepage of the Netflix app,” the institution said.

Netflix doesn’t quality that the screenshot is of a stake from 2025, but a spokesperson told The Hollywood Reporter that nary of the documentary footage was fabricated.

“The footage was filmed astatine the Winible World Cup Watch Weekend successful Las Vegas connected July 17, 2026,” the spokesperson said. “The featured trader with the commercialized connected Spain showed america a screenshot of his bet, that was made successful May 2025 anterior to immoderate Nevada tribunal order. Any circumstantial trades oregon bets referenced during that play are betwixt the idiosyncratic and the app successful which they placed the trades.”