- Polymarket removed a controversial market allowing users to bet on whether a nuclear weapon would be detonated in 2024, which had shown a 22% probability and attracted over $838,000 in trading volume.
- Analyst Dustin Gouker criticized war-related betting as “grotesque,” arguing it allows for insider trading and threatens the legitimacy of the entire prediction market sector.
- The CFTC has advanced formal prediction market rulemaking as the platforms face scrutiny from U.S. lawmakers and international bans over markets tied to real-world conflict.
Polymarket has removed a controversial betting market from its platform that asked traders to wager on whether a nuclear weapon would be detonated before the end of 2024, following swift public backlash. The event, titled “Nuclear weapon detonation by…?” had been live for hours and posted a 22% probability of the event occurring on X, drawing more than $838,000 in trader volume. Prediction market analyst Dustin Gouker told Decrypt that such markets are “grotesque,” as they can be exploited by insiders and damage the industry’s credibility.
Consequently, this incident highlights wider regulatory challenges and accusations of insider trading facing platforms like Polymarket and Kalshi. In the hours before recent U.S. and Israeli strikes on Iran, a surge of bets correctly predicting the action resulted in one trader, “Magamyman,” winning over $553,000, while analytics firm Bubblemaps identified six suspected insiders who netted $1.2 million. Lawmakers have taken note, with U.S. Senator Chris Murphy criticizing the practice, and more than a dozen jurisdictions implementing bans.
Meanwhile, the U.S. Commodity Futures Trading Commission (CFTC) has moved forward with formal rulemaking to establish a federal framework for prediction markets. Chairman Michael Selig has made this regulation an early priority, seeking a single standard across all 50 states. Gouker warned that without oversight, particularly for international sites, the sector risks being seen as a vehicle for profiting from tragedy rather than a legitimate information-gathering tool.
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