Bitcoin and Ethereum implied volatility drops as over 50% of options expire Dec. 23

Implied volatility for Bitcoin and Ethereum has fallen since last week, with Bitcoin IV down over 5% in the past month and over 10% in short- and mid-term tenors, Greeks.live data show. Ethereum IV declined by a larger margin. Over 50% of options positions are set to expire on Dec. 23 during Christmas week, pointing to two weeks of low volatility.