In a significant insider trading case, U.S. prosecutors have charged a Google employee, Michele Spagnuolo, with using confidential data to profit over $1.2 million through bets on the prediction market platform Polymarket. The complaint, unsealed in New York, claims that Spagnuolo, a 36-year-old software engineer from Italy residing in Switzerland and working at Google since 2014, made these trades under the online alias "AlphaRaccoon." It is alleged that he utilized Google's 2025 "Year in Search" data before its public release to place wagers on trending searches.
The charges underscore a longstanding message from U.S. authorities regarding the prohibition of insider trading in financial markets. Jay Clayton, the U.S. Attorney for the Southern District of New York, emphasized that corporate insiders are barred from exploiting confidential business information for personal gain, as it undermines market integrity. The complaint outlines that Spagnuolo placed trades on Polymarket based on real-time updates of Google’s internal search trends from October to December of the previous year.
Specific allegations highlight instances where Spagnuolo initially bet on Kendrick Lamar, who was expected to lead the search trends following his 2025 Super Bowl halftime performance. However, as internal data indicated a surge in searches for alt-pop singer D4vd, Spagnuolo adapted his bets accordingly. D4vd is notable for being charged in connection with the murder of 14-year-old Celeste Rivas Hernandez just last month.
Moreover, the complaint indicates that Spagnuolo utilized Polymarket's "yes" or "no" contracts to wager on the search ranking of various individuals featured in Google's 2025 trends. Following the official release of the data on December 4, the account belonging to AlphaRaccoon reportedly reaped significant profits, prompting an FBI investigation that traced its cryptocurrency transactions.
Spagnuolo’s legal representation has not been disclosed as of yet. Google confirmed to the Associated Press that the employee has been placed on leave while the investigation unfolds. A spokesperson for the company noted that while Spagnuolo accessed marketing materials through approved employee tools, using proprietary information for personal betting was a severe violation of company policies. Google is cooperating with law enforcement and is contemplating further action in response to the situation.
In a broader context, Polymarket asserted its commitment to cooperation with authorities, highlighting that it is the only prediction platform in the U.S. whose assistance led to insider trading charges. They maintained that their blockchain technology is transparent and traceable, suggesting that perpetrators leave identifiable digital footprints. This incident is not isolated; last month, a special forces soldier faced charges for making over $400,000 from trades on Polymarket linked to classified information regarding the fall of Venezuelan President Nicolás Maduro.
These events shed light on the evolving and often controversial landscape of prediction markets, which facilitate speculative trades and are regulated differently from traditional gambling. The increasing scrutiny of these emerging platforms has raised concerns about consumer protection amid ongoing legal disputes about regulatory oversight in the industry. In response to scrutiny, platforms like Polymarket have updated their operational guidelines to clarify that users cannot trade on events where they possess confidential information.
Currently, Spagnuolo is facing charges for violating the U.S. Commodity Exchange Act, as well as counts of wire fraud and money laundering. If convicted, he could potentially face several years in prison, representing a serious legal challenge arising from this high-profile case of insider trading.











