Given the exponential growth in ETF trading over the past decade, we consider the proposition that trading in ETFs transmits volatility to their largest component stocks and thus to the stock market in general. We find empirical support for this proposition, since volatility spillovers from ETFs...

This article examines the presence of common factors in the evolution of stock option implied volatilities. We analyze the implied volatilities of ETF options and their largest component stocks, and the results strongly suggest the presence of both a market volatility factor and an industry...