Department of Justice News & Prediction Market Coverage
Track the latest Department of Justice news across prediction markets. Prediction News is following 20 active Department of Justice stories across regulation, legal action, market moves, and platform developments, each clustered from original reporting and summarized for operators, traders, and regulators.
Latest News
DOJ probing former Rep. Santos for alleged insider trading on Kalshi
LegalCFTC sues Kentucky to block state crackdown on prediction markets
LegalSenators demand CFTC investigate Polymarket over fake bets report
LegalNew Mexico AG Torrez sues Kalshi over alleged illegal sports betting
LegalCFTC sues New Mexico to block state gaming restrictions on prediction markets
LegalDOJ and CFTC charge Google engineer in second coordinated prediction markets insider trading case
LegalGoogle engineer Spagnuolo charged with $1.2M Polymarket insider trading using search data
LegalDOJ and CFTC coordinate insider-trading enforcement against prediction markets
LegalKalshi refers George Santos to DOJ and CFTC over State of the Union bets
LegalDOJ and CFTC charge Google engineer with $1.2M Polymarket insider trades using search data
LegalKalshi sues Minnesota to block nation's first felony prediction market ban
LegalCFTC and DOJ intervene in Rhode Island lawsuit to defend Kalshi and Polymarket
LegalSidley Austin analyzes first insider trading case on Polymarket event contracts
LegalWisconsin sues Kalshi, Polymarket, Coinbase, and others over alleged illegal sports betting
LegalRhode Island and Kalshi file dueling lawsuits over sports event contracts
LegalDOJ and CFTC file first prediction-market insider-trading case over Maduro contracts
DataNYT investigation flags insider-trading patterns across Polymarket's war, crypto markets
LegalAGA CEO Miller calls federal prediction market regulator 'a joke,' vows industry fightback
LegalDOJ and CFTC charge Army soldier in first-ever prediction market insider trading cases
LegalDOJ: U.S. soldier scored $400K-plus on Polymarket using classified intel
Frequently Asked Questions
Has the DOJ charged anyone for insider trading on Polymarket?
Yes, on May 27, 2026 the DOJ and CFTC filed parallel criminal and civil charges against Google engineer Michele Spagnuolo for allegedly earning $1.2 million using non-public search data.
What is the DOJ's role in prediction market enforcement?
The DOJ coordinates with the CFTC to apply traditional insider trading and fraud laws, including the misappropriation theory, to event-contract trading on platforms like Polymarket and Kalshi.
Has the DOJ investigated prediction market platforms themselves?
Coverage focuses on actions against individual traders rather than platforms, though platforms face pressure to improve surveillance to avoid co-defendant exposure in future cases.
Are there other DOJ cases involving prediction markets besides the Google engineer?
Yes, the DOJ and CFTC have pursued additional coordinated actions, including against a U.S. soldier using classified information and probes into oil-futures trades ahead of news events.
Does the DOJ work with the CFTC on prediction market cases?
Yes, the agencies have conducted multiple parallel criminal-civil enforcement actions in 2026 targeting manipulation and insider trading on event-contract platforms.