You cannot predict when volatility will spike but volatility is mean reverting so after a spike sell uvxy short. Uvxy is a double long etp so has to pay the vix futures contango twice. It is designed to decline. Seth Golden has made $12m doing this. All the links to the strategy are on this thread https://www.elitetrader.com/et/thre...gauge-proliferates.312670/page-2#post-4511802


