Quadruple witching arrives tomorrow as markets brace for potential bitcoin volatility

Bitcoin tended to show muted performance on quadruple witching days in 2025, followed by weakness in the days to weeks after. What to know : Trillions in equity and index derivatives will expire on Friday during the quarterly quadruple witching event. Bitcoin’s performance on 2025 quadruple witching days was generally muted on the day itself, but consistently followed by downside in the days to weeks after. Cole Kennelly, CEO of Volmex Finance, said Friday’s quadruple witching event is driving increased volatility in crypto markets.