Sorry, available market cap data for PepsiCo (PEP) starts on July 1, 1985. PepsiCo (PEP) has a market capitalization of $196.5B, based on 1.37B shares at a price of $143.54 (up 2.1% today).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1973	$0.31	$0.31	$0.31	$0.31	318,600
December 28 1973	$0.31	$0.31	$0.31	$0.31	680,400
December 27 1973	$0.31	$0.31	$0.31	$0.31	761,400
December 26 1973	$0.30	$0.31	$0.30	$0.31	912,600
December 24 1973	$0.30	$0.30	$0.30	$0.30	210,600
December 21 1973	$0.30	$0.30	$0.29	$0.30	2,532,600
December 20 1973	$0.30	$0.30	$0.29	$0.30	621,000
December 19 1973	$0.30	$0.30	$0.30	$0.30	3,542,400
December 18 1973	$0.30	$0.30	$0.29	$0.30	939,600
December 17 1973	$0.30	$0.30	$0.30	$0.30	383,400
December 14 1973	$0.30	$0.30	$0.29	$0.30	1,155,600
December 13 1973	$0.31	$0.31	$0.30	$0.30	939,600
December 12 1973	$0.31	$0.31	$0.31	$0.31	637,200
December 11 1973	$0.32	$0.32	$0.31	$0.31	961,200
December 10 1973	$0.32	$0.32	$0.32	$0.32	588,600
December 07 1973	$0.31	$0.32	$0.31	$0.32	750,600
December 06 1973	$0.30	$0.31	$0.30	$0.31	723,600
December 05 1973	$0.30	$0.30	$0.30	$0.30	540,000
December 04 1973	$0.30	$0.30	$0.29	$0.30	1,506,600
December 03 1973	$0.30	$0.30	$0.29	$0.30	804,600
November 30 1973	$0.30	$0.30	$0.30	$0.30	858,600
November 29 1973	$0.31	$0.31	$0.29	$0.31	2,084,400
November 28 1973	$0.32	$0.32	$0.31	$0.31	1,031,400
November 27 1973	$0.33	$0.33	$0.32	$0.32	1,317,600
November 26 1973	$0.34	$0.34	$0.33	$0.33	1,458,000