Option Skews – Relatively Heavy Call Activity on Trina Solar Limited, E*Trade …Schaeffers ResearchSatellite radio firm Sirius XM Radio Inc. (SIRI) was also popular among ISE call buyers, with roughly 18.5 of these bullish bets purchased for every one put on Friday. Technically, SIRI is hovering above potential support in the $1.80 region, …and more »
