A Polymarket trader lost about $527,000 in a day after Strategy disclosed its first bitcoin sale since 2022, selling 32 BTC for $2.5 million.

Strategy sold 32 BTC for $2.5M at $77,135 to fund preferred dividends, a rare move for the firm holding 843,706 BTC.

Strategy's remaining holdings still account for more than 4% of the 21 million bitcoin supply cap — worth around $61 billion.