Bowen Xiao

Zero-day options have exploded in popularity in recent years, accounting for approximately half of S&P 500's total options volume, a ten-fold increase from just 5% in 2016. Their flexibility, low premia and underlying leverage appeal to all market participants ranging from conservative investors hedging against intraday market volatility to aggressive traders speculating for quick profit generation. The rapid rise of zero-day options and the memory of a market stress episode known as 'Volmageddon' raises concerns that zero-day options could lead to a similar event. There are differing views among participants on the perceived risks of zero-day options. This post aims to provide a balanced overview.