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Large Bet on U.S. Invasion of Cuba in 2026 Draws Scrutiny on Prediction Market
An anonymous trader placed a $57,500 bet on Polymarket that the U.S. will invade Cuba in 2026. The size of the position, placed shortly after the account was created, prompted analysts to question whether the trader had nonpublic information. The trader later sold most of the position at a loss but remains the largest holder in the market.
May 7, 5:23 PM·3m read1 source
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An anonymous trader on the prediction platform Polymarket placed a $57,500 bet that the United States will invade Cuba in 2026. The trade, made under the username JeffHK, occurred weeks after the account was created in February and was large enough to move the market odds, according to a report by USA TODAY.
The position showed several unusual characteristics, including the absence of any prior smaller trades, lack of diversification into other markets, and no visible portfolio history. Betting Intelligence, a firm that analyzes such activity, described the bet as outside normal trading patterns for the platform.
"You’ve got someone who’s either very inexperienced, or unsophisticated with high confidence," Gary Morland, co-founder of Betting Intelligence, said. " The firm’s other co-founder, Dan Zimmermann, wrote in a report that the slippage experienced on the trade suggested either poor execution or urgency to complete the order at any price.
After the position was established, other traders entered the market on the opposing side, reducing the value of the original bet. By early May the trader showed a paper loss of $34,000. Early on May 7 the account sold much of the "yes" position, realizing a five-figure loss.
The trader remains the largest holder in the market and would still profit if an invasion occurs before the end of 2026.
" As of early May all three contracts traded with implied probabilities between 21 percent and 45 percent for the "yes" outcome. A separate market on another platform asks whether Cuban President Miguel Díaz-Canel will leave office by the end of the year.
