The largest block option for ETH today: A boss sold a call option of 4000 at the end of the year and a put option of 2400, totaling 2000 ETH on one side, earning a premium of 1.464 million US dollars Short selling volatility, with a profit range locked between 1800-5500, and a currency based return of up to 28.2% (annualized about 34.3%). The current ETH price is fluctuating at 2500, and the ETH/BTC exchange rate has fallen to 0.0271.