Bitcoin's 90 day volatility drops to 38%, approaching Nvidia levels As of Thursday, Bitcoin has achieved a volatility of approximately 38% on the 90th day, close to Nvidia's volatility of around 37%. The volatility of Bitcoin remains higher than that of gold at 23.5%, the S&P 500 index at 11%, and the euro against the US dollar at 4.6%. The 90 day volatility of Bitcoin rose to 134% in June 2020, and its lowest point was around 27.5% in September 2025. (Source: CoinDesk)