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Google engineer charged over alleged insider Polymarket bets using search data

Published
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11

Why it matters

A Google information security engineer has been charged in federal court with commodities fraud, wire fraud, and money laundering after allegedly using confidential search data to place bets on Polymarket, a prediction market platform, and profit more than $1 million. Michele Spagnuolo, 36, a Italian national employed by Alphabet, allegedly leveraged nonpublic information about Google user search trends to wager on outcomes tied to Google-related popularity rankings. The criminal complaint was unsealed in New York federal court, where Spagnuolo was taken into custody on Wednesday and did not enter a plea at his initial appearance before a magistrate judge.

According to prosecutors, Spagnuolo used the alias "AlphaRaccoon" and placed multiple bets between October and at least December, including a wager that singer D4vd would be the most-searched person of 2025. The complaint alleges he had access to internal data tracking user searches and exploited that informational advantage over the public market. The specific terms of the charges and additional details of the government's evidence remain under seal.

The case signals federal enforcement focus on insider-trading-style conduct in prediction markets, a largely unregulated sector that has grown substantially. Attorneys should monitor how prosecutors define the legal boundaries around nonpublic corporate information in this context—the theory here resembles traditional securities fraud but applies to an emerging asset class where enforcement precedent remains thin. The outcome will likely influence how tech companies and other data-rich employers police employee trading activity on prediction platforms.

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