Into XOM Sep 21 '13 $90 Calls @ $0.48...

A 5% move up from current prices would put me deeply into the money...

Current Price = 87.67

Implied Volatility = 14.97

Calls have been sold all month on this issue with the high at around $5.55...

Open Interest = 13820 

If some of the open interest comprises of Naked Call Sellers, they'll need to take profits...