We examine the predictability of stock returns using implied volatility spreads (VS) from individual (non-index) options. Volatility spreads can occur under simple no-arbitrage conditions for American options when volatility is time-varying, suggesting that the VS-return predictability could be...

This paper presents a joint analysis of the term structure of credit default swap (CDS) spreads and the implied volatility surface for European countries during 2007-2012, a sample period covering both the Global Financial Crisis and the European debt crisis. We analyze to which extent...

We examine the link between retail trading in options and the volatility of the underlying assets. Using Robinhood's introduction of options as a shock to retail trading, we confirm that option volume increased around this event and show that volatility similarly increased for: interlisted US...

We present a method for the arbitrage-free interpolation of plain-vanilla option prices and implied volatilities, which is based on a system of integral equations that relates terminal density and option prices. Using a discretization of the terminal density, we write these integral equations as...