Reality of ROK Bull Call Spread

Let's put the previous post into a reality check.

Date	Type	Qty	Ticker	Cost basis	Amount
9/19/2011	Buy To Open	1	ROK Apr12 35 Call	$24.06	($2,413.50)
9/19/2011	Sell To Open	1	ROK Oct11 65 Call	$1.06	$98.50
9/27/2011	Buy To Close	1	ROK Oct11 65 Call	$0.93	($94.52)
9/27/2011	Sell To Open	1	ROK Nov11 65 Call	$1.98	$196.48
10/6/2011	Buy To Close	1	ROK Nov11 65 Call	$2.39	($240.89)
10/6/2011	Sell To Open	1	ROK Jan12 65 Call	$4.49	$447.10
11/17/2011	Buy To Close	1	ROK Jan12 65 Call	$9.96	($997.52)
11/17/2011	Sell To Open	1	ROK Apr12 70 Call	$9.46	$944.46
4/20/2012	Sell To Close	1	ROK Apr12 35 Call	$0	$0.00
4/20/2012	Buy To Cover	100	ROK - Option Exercise	$35	$3,500.00
				Profit:	$1,440.11

This would be $1440.11 profit from the initial investment of $2413.50, which is a gain of 59.67% over a period of 7 months, which is 102.29% pa. This has already taken into consideration the trade commission and registration fees.

So, is Call Bull Spread the best strategy? I would say I had a good entry point and the market were on my side.
Make your own CALL, though.