When oil price was 33 last Friday, it was for Jan. contract, but HOU and USO didn't follow it, mostly followed Feb. contract which is around 42.
-t1200(石头疙瘩);
2008-12-23(#65335@43)
try to use USO as reference for HOU, will be helpful
-gzscott(笨鸟);
2008-12-23(#65337@43)
leveraged ETF is not for buy and holdhttp://www.fundmymutualfund.com/2008/12/proshares-ultra-and-ultrashorts-declare.html
-ubs(ubs);
2008-12-23{84}(#65339@43)