The two November 300-310-320 butterfly spreads we hold for a 0.20 debit apiece have the potential to widen out to 10.00, yielding a maximum theoretical gain of $980 per spread if the stock is trading at 310 at expiration.  So that you can track and estimate the value of the spread yourself, I’ve included an option calculator that gives theoretical values, as of November 2 and with the stock trading anywhere between $290 and $325, for each call series in our position.