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ACDC Flags 152 Polymarket Wallets in Military Bets

Washington, US

Martin LELIEVRE / AFP via Getty Images/Getty

Martin LELIEVRE / AFP via Getty Images/Getty

What Happened

The Anti‑Corruption Data Collective identified 152 Polymarket 'Orca' wallets as likely trading on inside U.S. military information, saying they won about $8 million at a 97.2% win rate. It found those bets drew large copycat wagers and bots, potentially amplifying signals exploitable by foreign adversaries.

What Happened

The Anti‑Corruption Data Collective identified 152 Polymarket 'Orca' wallets as likely trading on inside U.S. military information, saying they won about $8 million at a 97.2% win rate. It found those bets drew large copycat wagers and bots, potentially amplifying signals exploitable by foreign adversaries.

Where Sources Disagree

  • arrows_outputPlea Status Reporting: Reports vary slightly in their coverage of Van Dyke's legal status; some outlets note he has pleaded not guilty, while others omit this detail.
  • arrows_outputInsider Classification Clarification: Reports vary slightly in their characterization of potential insiders, as some sources clarify that not all are identified as 'Orcas,' while others omit this specific distinction.
  • arrows_outputRegulatory Scrutiny Context: Reports vary slightly in their framing of the broader industry climate; while some sources explicitly mention rising policymaker scrutiny of prediction markets, other accounts omit this specific regulatory context.

Timeline

August 20, 2026

ACDC policy recommendations urged: ACDC urged stronger reforms — requiring trader identity verification, withholding suspicious payouts pending investigation, and even banning markets where non‑public information is highly actionable — arguing law‑enforcement reliance alone is insufficient.

August 20, 2026

Platform and regulator responses: Polymarket said it monitors for suspicious activity and has referred dozens of wallets to authorities, while the CFTC (pushing for jurisdiction over prediction markets) declined to comment but has said it will police misconduct and has brought charges in multiple cases; the Department of Defense declined to comment.

August 20, 2026

ACDC research released: On August 20, 2026, the Anti‑Corruption Data Collective published analysis alleging more than 150 Polymarket International wallets traded on inside U.S. military information and warned the market could broadcast signals exploitable by foreign adversaries.

Summary by Ground AI

Sources

See All 41

A varied selection of sources chosen by Ground to reflect the diversity of this story’s coverage.

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