Polymarket’s Trading Volume May Be 25% Fake, Columbia Study Finds
Affected assets and topics
WALLET
Why it matters
A Columbia study has revealed that approximately 25% of Polymarket's trading volume may be artificially inflated due to wash trading, with nearly 60% of trades in December 2024 flagged as suspicious. This revelation raises concerns about the integrity of the platform and could lead to decreased investor confidence.
Article tone
Neutral
How the article is written, as reported by the source.
Expected market reaction
Market impact analysis based on bearish sentiment with 85% confidence.
Evidence trail
Evidence
Source
CoinDesk
Claim
Polymarket’s Trading Volume May Be 25% Fake, Columbia Study Finds
AI inference
Bearish · 85%
Generated
2025-11-07 18:05
AI provenance
Technical identifiers
- Provider tag
- openai-gpt-4o-mini
- Analysis version
- openai-gpt-4o-mini
- Article id
- 8164
Original source
Nearly 60% of weekly trades in December 2024 were flagged as likely wash trading, with coordinated networks of 43,000 wallets detected.
Read the full article on CoinDesk
Original article published by CoinDesk on November 7, 2025. Analysis and insights provided by AnalystMarkets AI.