Sorry, available market cap data for Nike (NKE) starts on July 1, 1985. Nike (NKE) has a market capitalization of $98B, based on 1.48B shares at a price of $66.32 (down 2.7% today).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1980	$0.003	$0.003	$0.003	$0.003	2,918,400
December 30 1980	$0.003	$0.003	$0.003	$0.003	4,364,800
December 29 1980	$0.003	$0.003	$0.003	$0.003	1,740,800
December 26 1980	$0.003	$0.003	$0.003	$0.003	1,459,200
December 24 1980	$0.003	$0.003	$0.003	$0.003	2,444,800
December 23 1980	$0.003	$0.003	$0.003	$0.003	5,696,000
December 22 1980	$0.003	$0.003	$0.003	$0.003	1,856,000
December 19 1980	$0.003	$0.003	$0.003	$0.003	10,035,200
December 18 1980	$0.003	$0.003	$0.003	$0.003	11,251,200
December 17 1980	$0.003	$0.003	$0.003	$0.003	4,672,000
December 16 1980	$0.003	$0.003	$0.003	$0.003	6,630,400
December 15 1980	$0.003	$0.003	$0.003	$0.003	6,643,200
December 12 1980	$0.003	$0.003	$0.003	$0.003	8,153,600
December 11 1980	$0.003	$0.003	$0.003	$0.003	5,440,000
December 10 1980	$0.003	$0.003	$0.003	$0.003	5,875,200
December 09 1980	$0.003	$0.003	$0.003	$0.003	5,824,000
December 08 1980	$0.003	$0.003	$0.003	$0.003	5,414,400
December 05 1980	$0.004	$0.004	$0.003	$0.003	7,590,400
December 04 1980	$0.004	$0.004	$0.004	$0.004	22,694,400
December 03 1980	$0.004	$0.004	$0.004	$0.004	25,177,600
December 02 1980	$0.004	$0.004	$0.004	$0.004	100,710,400