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- French Police Probing Suspected Weather Device Tampering After Odd Polymarket Bet
- Trump Vows to Review Federal Workers’ Prediction Market Bets
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Prediction Markets
Trump Vows to Review Federal Workers’ Prediction Market Bets
Thursday April 23, 2026 (11:29 pm EDT)
President Donald Trump said he would investigate federal employees placing bets on event-betting platforms, indicating concerns with prediction markets amid worries that individuals are using confidential government information to profit.
Trump was asked Thursday about federal authorities arresting a soldier involved in the operation to capture Venezuelan strongman Nicolas Maduro over a successful $400,000 bet that the leader would be ousted from office.
“I’ll look into it,” Trump told reporters, adding that he long had issues with the concept of event-betting platforms.
“Well, you know, the whole world, unfortunately, has become somewhat of a casino,” Trump said. “And you look at what’s going on all over the world, in Europe and every place they’re doing these betting things. I was never much in favor of it. I don’t like it conceptually.”
A series of recent well-timed and profitable bets have raised questions about potential insider trading around the president’s military actions against Iran and Venezuela. The White House last month sent an internal staff-wide email that warned employees against using confidential information to place bets in financial or prediction markets. (source: Bloomberg)
Prediction Markets
AG Kaul Suing Prediction Market Titans Kalshi, Coinbase and Others
Thursday April 23, 2026 (11:29 pm EDT)
Wisconsin Attorney General Josh Kaul is suing prediction market companies, alleging they are operating illegal gambling schemes.
The lawsuits claim the companies are disguising sports bets as "event contracts" to bypass state law.
Kaul is seeking to ban the practice in Wisconsin but is not requesting monetary damages.
The legal action follows a new state law that paves the way for online sports betting exclusively through Wisconsin's tribal nations.
Prediction Markets
French Police Probe Suspected Weather Device Tampering After Odd Polymarket Bet
April 23, 2026 (11:18 pm EDT)
Authorities in France are investigating possible tampering with a weather monitoring device at Charles de Gaulle Airport in Paris after an unusual temperature spike was recorded around the same time a Polymarket trader cashed in.
An anonymous trader with the username "xX25Xx" has drawn scrutiny from analysts and fellow traders on Polymarket, where people can bet on things like a city's top temperature and other real-world events.
The trader bet $119 that the weather in Paris on April 15 would jump past the equivalent of 64 degrees Fahrenheit, and weather enthusiasts online noticed a sudden spike in temperature on that day. Thanks to the sudden rise in temperature, the trader netted $21,398 in profit. (source: NPR)
- Chris Costigan, Gambling911.com Publisher
