A Google engineer made $1.2 million by insider trading on Polymarket under the name 'AlphaRaccoon': DOJ

Tech Insider : Business, Politics, Sports
A Polymarket advertisement in a subway station in New York, US, on Thursday, Feb. 5, 2026.
A Google engineer made $1.2 million from trades based on confidential information, the DOJ said.

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Prediction markets face a ban in one state, but the fight's not over

Tech Insider : Business, Politics, Sports
A Polymarket advertisement in a subway station in New York, US, on Thursday, Feb. 5, 2026. Kalshi and Polymarket, which have been assailed by critics for encouraging financial risk taking by making betting more accessible, are now using the promise of free groceries to win over New Yorkers.
Minnesota is trying to ban prediction markets, but the CFTC is putting up a fight.

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Why banning lawmakers from Kalshi is easier than getting them off the stock market

Tech Insider : Politics, Business, Crypto
Sen. Bernie Moreno
A resolution to ban senators from prediction markets, sponsored by Sen. Bernie Moreno of Ohio, easily passed the Senate at the end of April.

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Insider traders are getting caught. It's still not enough for prediction market critics.

Tech Insider : Politics, Business, Crypto
Rep. Greg Casar
"I mean, we just shouldn't have gambling around issues of war and peace," Democratic Rep. Greg Casar of Texas said.

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Senators just banned themselves — and their staff — from trading on prediction markets

Tech Insider : Politics, Business, Crypto
Sens. Katie Britt, Bernie Moreno, and Steve Daines
The resolution, sponsored by Sen. Bernie Moreno (center), passed the Senate via unanimous consent.

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US soldier charged in Polymarket trades was blocked from rival platform Kalshi

Tech Insider : Business
A Kalshi advertisement on a bus shelter
Kalshi says its vetting process blocked Gannon Van Dyke from opening an account.

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Trump on prediction markets: 'The whole world, unfortunately, has become somewhat of a casino'

Tech Insider : Politics, Economy, Business
Donald Trump
"I don't like it, conceptually, but it is what it is," Trump said.

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US soldier accused of using military secrets to win over $400,000 on Polymarket

Tech Insider : Business
polymarket bar

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$119 Polymarket bet on Paris' weather turns into $21K after unusual temperature spike, sparking official probe

Tech Insider : Economy, Business, Crypto
The Eiffel Tower in Paris
An anonymous Polymarket trader made a long shot bet on the highest temperature in Paris shortly before an unexplained spike — and reaped a more than $21,000 profit.

Annice Lyn/Getty Images

State employees are the latest targets of prediction market insider trading bans

Tech Insider : Business, Crypto
Govs. Gavin Newsom, Kathy Hochul, and JB Pritzker
Three governors have signed executive orders aimed at banning state employees from insider trading on prediction markets.

Tayfun Coskun/Anadolu via Getty Images; Lev Radin/Pacific Press/LightRocket via Getty Images; Victor J. Blue/Bloomberg via Getty Images

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