Ok guys, last time I asked for some help on Condors I got a heap of help. ( thanks everyone who contributed). Im back again, this time asking for some insights on Calendar spreads. I understand the basic theory of them, but am yet to have much real practical experience trading them. As a drop in Volatility will hurt the spread (for a long calendar) I should be looking for underlyings that have relatively low volatility (compared to historical) or at least not trending down as well as a relatively stable price range. On top of that I want a positive IV skew to the front month. Are there any rules of thumb as to 'the right amount' of skew? Obviously too much would indicate something going on that may cause the price to jump and hurt the spread. Are there any other points to consider when searching for Calendar spread candidates? Thanks.