Glassnode: Bitcoin DVOL Index hits historic low, market volatility risk increases According to @ glassnode, Deribit data shows that the Bitcoin Volatility Index (DVOL) has fallen to a historical low, with only 2.6% of trading days experiencing lower values. Analysis indicates that the current market demand for downside risk protection is at an extremely low level, and this extremely optimistic market sentiment may increase the risk of sudden fluctuations.