MMM -- New CC-List Position

I expect MMM to go ex-dividend near 2018-08-17, for $1.36:

Date	Description	Amount	ROI	aROI	Profit
2018-07-30	Buy MMM @ $206.70	-$206.70
2018-07-31	Sell MMM 8/3 2018 $205.00 Call @ $2.60	$2.60
2018-08-03	If assigned at expiration	$205.00	0.44%	31.79%	$0.90
2018-07-31	Current value	$205.00	0.44%	79.46%	$0.90
2018-07-31	Buy and Hold	$212.32	2.72%	--	$5.62