I am a bit surprised that there doesn't exist an ETF that allows one to trade EPREM or the other PREMs.
if you mean the equity risk premium, close but not exactly: http://www.indexuniverse.com/sections/news/8869-factorshares-launches-5-spread-etfs.html
Thanks for the response. Those are interesting too, but that is not what I mean. I mean this: http://indexarb.com/