With a 1.3x crop factor, however, the Mark IV isn't a full-frame rig.
From the time.com
When entering a straddle, we want to use options that are showing low IV because IV is a major factor in the cost of an option and IV tends to revert back to its mean.
From the forbes.com
Indeed, unexpected spikes in commodity prices were a significant factor behind revisions to our 2011 inflation and growth forecasts since the 2010 Article IV consultation.