Polymarket issues early warning on Maduro incident? The surge in the “Yes” contract sparks insider trading controversy

The sudden news of Venezuelan President Nicolás Maduro’s arrest shook the global political arena, while the decentralized prediction market Polymarket released unusual signals hours before the news was made public, sparking widespread discussion about whether “prediction markets are reflecting sensitive information in advance.”

According to blockchain data analysis, before the event was officially disclosed, the price of the “Maduro to step down” related “Yes” contract on Polymarket surged rapidly. Three anonymous digital wallets placed large bets on Maduro’s removal in advance, ultimately earning a total profit of approximately $630,000. This trend was clearly at odds with the mainstream public opinion at the time, which held that the probability of Maduro stepping down in the short term was extremely low.

Blockchain analysis firm Lookonchain revealed that these wallets had received funds in advance before operating, then remained silent for a long period until just before the military action, when they concentrated their purchases of the “Yes” contracts. Notably, a core address marked as 0x31a5 invested only about $34,000 but earned over $410,000 within hours, with a return rate exceeding 1100%. Such precise timing led to the event being quickly labeled as “suspected insider trading.”

The incident soon caused political upheaval in Washington. Some U.S. lawmakers expressed concern that decentralized prediction markets could become “price discovery tools” for sensitive policy information or even be exploited by insiders. U.S. Representative Richie Torres proposed the “2026 Financial Prediction Market Public Integrity Act,” aiming to restrict federal officials and administrative employees from participating in prediction bets that could influence their decision-making, to prevent information abuse.

On the geopolitical front, the U.S. subsequently announced a large-scale military operation against Venezuela, confirming that Maduro and his wife had been detained and deported. The U.S. Department of Justice also launched multiple criminal charges, including drug trafficking, terrorism, cocaine smuggling, and weapons crimes.

Notably, despite the sudden rise in international political risks, the overall cryptocurrency market performed relatively steadily. Bitcoin’s price briefly dipped but quickly stabilized and rebounded, regaining the $90,000 level within 24 hours, demonstrating that the resilience of crypto assets is strengthening amid major geopolitical shocks.

This “pre-pricing” event on Polymarket has once again brought the complex relationship between prediction markets, blockchain transparency, and global political risks into the public eye.