According to the Daily Planet, the BitVol (Bitcoin volatility) index jointly launched by financial index company T3 Index and Bitcoin options trading platform LedgerX fell to 48.88 yesterday, a new low in nearly three months. The BitVol index measures the 30-day expected implied volatility derived from the price of tradable Bitcoin options. Implied volatility refers to the volatility implied by the actual option price. It is the volatility inferred by substituting the actual option price and other parameters except volatility σ into the B-S option pricing formula.

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