I've noticed that for a given strike price, the shorter expiration dates of options have more pronounced volatilities why is that?
Given markets usually fall fast and rise slowly, are there trading mechanisms to take advantage of this?
Per a previous question on this topic -- markets generally fall fast and rise slowly: what options strategies or other strategies can one use to take advantage of this common occurrence?
It's not clear to me how to realize skewness. In other words, how do you implement skew arbitrage? There seems to be no well-known recipe like in volatility arbitrage. Volatility arbitrage (or ...