costco market cap in 1988

On December 30, 1988, Costco Wholesale (COST) had a market capitalization of $1.3B, based on 210.65M shares at a price of $6.06.

DATECLOSEVOLUMEOUTSTANDINGMARKET CAP
December 30 1988
$6.06
272,400
210,652,000
$1,276,656,446.00
December 29 1988
$6.22
353,200
210,652,000
$1,310,697,809.20
December 28 1988
$6.14
286,800
210,652,000
$1,293,677,127.60
December 27 1988
$6.18
701,600
210,652,000
$1,302,187,468.40
December 23 1988
$6.22
237,200
210,652,000
$1,310,697,809.20
December 22 1988
$6.28
1,215,200
210,652,000
$1,323,484,385.60
December 21 1988
$6.18
984,800
210,652,000
$1,302,187,468.40
December 20 1988
$6.30
1,414,800
210,652,000
$1,327,718,490.80
December 19 1988
$6.46
465,200
210,652,000
$1,361,759,854.00
December 16 1988
$6.50
972,400
210,652,000
$1,370,270,194.80
December 15 1988
$6.48
1,519,200
210,652,000
$1,366,036,089.60
December 14 1988
$6.42
304,000
210,652,000
$1,353,249,513.20
December 13 1988
$6.34
587,600
210,652,000
$1,336,228,831.60
December 12 1988
$6.26
635,200
210,652,000
$1,319,208,150.00
December 09 1988
$6.38
974,000
210,652,000
$1,344,739,172.40
December 08 1988
$6.44
510,800
210,652,000
$1,357,525,748.80
December 07 1988
$6.42
764,800
210,652,000
$1,353,249,513.20
December 06 1988
$6.40
380,800
210,652,000
$1,349,015,408.00
December 05 1988
$6.38
359,200
210,652,000
$1,344,739,172.40
December 02 1988
$6.34
536,800
210,652,000
$1,336,228,831.60
December 01 1988
$6.32
399,600
210,652,000
$1,331,994,726.40
November 30 1988
$6.34
382,000
210,652,000
$1,336,228,831.60
November 29 1988
$6.30
568,000
210,652,000
$1,327,718,490.80
November 28 1988
$6.14
368,400
210,652,000
$1,293,677,127.60
November 25 1988
$6.04
136,000
210,652,000
$1,272,401,275.60