Markets A Quarter of Polymarket Volume May Be Wash Trading, Columbia Study Finds November 7, 2025 By The Coin Weekly This post was originally published on this siteResearchers say a quarter of trades on the prediction platform show signs of artificial activity. Share FacebookTwitterPinterestWhatsApp Latest stories AI EU’s regulated blockchain securities market adds first bank participant The Coin Weekly - March 9, 2026 Markets Strategy Drops $1.28 Billion on Bitcoin, Issues $377 Million in Preferred Shares The Coin Weekly - March 9, 2026 Markets Bitcoin ETF Flows Cool to $619 Million as Oil Prices Spike The Coin Weekly - March 9, 2026 Markets Morning Minute: Bitcoin Rebounds to $69K as Oil Skyrockets, Then Cools The Coin Weekly - March 9, 2026 AI How United Nations Development Programme is using blockchains for public infrastructure The Coin Weekly - March 9, 2026 - Advertisement - You might also like... Markets Strategy Drops $1.28 Billion on Bitcoin, Issues $377 Million in Preferred Shares The Coin Weekly - March 9, 2026 Markets Bitcoin ETF Flows Cool to $619 Million as Oil Prices Spike The Coin Weekly - March 9, 2026 Markets Morning Minute: Bitcoin Rebounds to $69K as Oil Skyrockets, Then Cools The Coin Weekly - March 9, 2026