According to BlockBeats, on July 22, the BitVol Index launched by financial index company T3 Index and options trading platform LedgerX rose to 66.04 yesterday, a single-day increase of 3.58%.
The BitVol Index measures the 30-day expected implied volatility derived from the prices of tradable Bitcoin options. Implied volatility is the volatility implied by actual option prices.
The actual price of an option is formed by competition among many option traders. The implied volatility represents the views and expectations of market participants about the future and is considered to be the closest to the actual volatility at the time.