Michele Spagnuolo, a Google security engineer, was arrested and charged with insider trading on Polymarket by allegedly using the company's internal search data to place bets on what users were most frequently searching, according to federal prosecutors.
Market Context
The charges mark the second major arrest involving alleged insider trading on prediction markets. The first involved a U.S. Army soldier who reportedly bet on an Nicolas Maduro raid he participated in. Polymarket, a decentralized prediction market platform, began offering contracts on Google's most-searched individuals for 2025 last fall, creating a novel avenue for potential information asymmetry.
Analysis
Federal prosecutors allege Spagnuolo exploited his access to Google's internal marketing tools to identify trending search terms before they became publicly available. The complaint states he transferred approximately $3.8 million in USDC to a Polymarket address and used the username "AlphaRaccoon" to place wagers on contracts such as whether rapper D4vd—charged with murdering a 14-year-old girl—would rank among Google's most-searched individuals. According to the FBI complaint signed by Special Agent Brandon Racz, Spagnuolo accessed Google's internal tool showing D4vd trending hours before placing the bet.
"Unlike the counterparties to his trades, Spagnuolo knew the outcome of these wagers before the trading public did because he had accessed Google's confidential, commercially valuable internal data," prosecutors stated in the complaint. The user AlphaRaccoon allegedly moved 5 million USDC from their Polymarket account through a swapping service and privacy tool before transferring funds to an Italian payment processor account opened using Spagnuolo's government identification.
Key Numbers
- Approximately $3.8 million transferred in USDC to Polymarket address by Spagnuolo
- More than $1,200,000 in illegal profits allegedly generated from trades based on nonpublic information
- 5 million USDC moved through swapping service and privacy tool for concealment
- Charges include commodities fraud, wire fraud, and money laundering
What to Watch
The case will be prosecuted by the U.S. Attorney's Office for the Southern District of New York. A Google spokesperson stated that Spagnuolo accessed "marketing material using a tool available to all employees" but that using such confidential information for betting represents a serious policy breach. The company has placed him on leave pending disciplinary action. The case highlights regulatory scrutiny of prediction markets and potential gaps in oversight as decentralized finance platforms grow.
The arrest underscores growing federal attention on insider trading within cryptocurrency and DeFi ecosystems, where traditional securities law frameworks face novel challenges in tracking anonymous wallets and cross-border fund movements.