$ETH $ETH One of the biggest options expiries of the year occurred on May 16 on the cryptocurrency market, when contracts were worth over $3.04 billion in Bitcoin and Ethereum settled at the same time. This could be a turning point for volatility on both assets. The notional value of Bitcoin was $2.76 billion, and a startling 27,000 options expired. The Put/Call ratio, which was at 1.03, indicated that traders were feeling somewhat bearish but generally balanced.