One reason might be that you generally have to short one of names for a pairs trade, and often shorting leveraged or inverse ETF's is impossible or prohibitively expesive.Quote from bwolinsky:
God this journal's really lost value... Why don't you guys look at leveraged long and leveraged inverse ETFS?
How is your Covestor account going? Also, I notice you are not on the leader board for the Robbins contest. How come?
