Polymarket’s Coplan allegedly picked growth over $10m card fraud
Shayne Coplan allegedly said Polymarket could just pay a fine as fraudulent deposits allegedly hit over 80% of volume.
The hit
Polymarket CEO Shayne Coplan allegedly told staff to keep chasing growth as a stolen debit card scheme drained the platform, reportedly saying the firm could just pay a fine. The scheme allegedly targeted at least $10m on Polymarket’s US platform. Fraudulent deposits are reported to have pushed above 80% of total volume. Polymarket’s payment processor flagged the issue in February 2026, according to the report.
Why it matters
A fraud rate this high signals broken know-your-customer & payment checks, not a one-off lapse, according to the report. Polymarket already operates under CFTC oversight, so any confirmed failure could invite regulatory scrutiny again.
The record
| Fraud flagged | February 2026, by Polymarket’s payment processor |
|---|---|
| Industry norm | Roughly 1% fraud rate is typical, per industry reports |
| 2022 CFTC settlement | $1.4m penalty for unregistered event markets; US users barred |
| US relaunch | Late 2025 — CFTC-regulated platform launched |
| Fallout | Multiple executives departed; internal investigation opened |
What happens next
Watch for any CFTC response, given its 2022 track record.
Sources: Polymarket CEO reportedly told staff to prioritize growth over compliance amid massive fraud probe
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