XVIX: raise, hold, or fold?
Update: XVIX was terminated by UBS. It joins the list of market strategies that backtested great but did horribly once if went live. UBS’ E-TRACS XVIX ETN was designed to take advantage of the volatility futures contango that torments Barclays’ popular VXX ETN. VXXB provides a way to go long on volatility—which in theory provides a good hedge against sudden market drops. However, since …