microsoft market cap in 1986

On December 31, 1986, Microsoft (MSFT) had a market capitalization of $755.5M, based on 7.34B shares at a price of $0.10.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 31 1986
$0.10
23,356,800
7,342,400,000
$755,532,960.00
December 30 1986
$0.10
25,401,600
7,342,400,000
$747,456,320.00
December 29 1986
$0.10
41,702,400
7,342,400,000
$740,113,920.00
December 26 1986
$0.11
3,715,200
7,342,400,000
$770,952,000.00
December 24 1986
$0.11
7,027,200
7,342,400,000
$773,154,720.00
December 23 1986
$0.11
23,788,800
7,342,400,000
$775,357,440.00
December 22 1986
$0.10
18,316,800
7,342,400,000
$767,280,800.00
December 19 1986
$0.10
56,592,000
7,342,400,000
$759,204,160.00
December 18 1986
$0.10
12,672,000
7,342,400,000
$741,582,400.00
December 17 1986
$0.10
23,356,800
7,342,400,000
$735,708,480.00
December 16 1986
$0.10
77,299,200
7,342,400,000
$728,366,080.00
December 15 1986
$0.10
50,774,400
7,342,400,000
$720,289,440.00
December 12 1986
$0.10
25,286,400
7,342,400,000
$740,113,920.00
December 11 1986
$0.10
11,635,200
7,342,400,000
$767,280,800.00
December 10 1986
$0.10
27,590,400
7,342,400,000
$761,406,880.00
December 09 1986
$0.10
16,099,200
7,342,400,000
$755,532,960.00
December 08 1986
$0.10
22,665,600
7,342,400,000
$759,204,160.00
December 05 1986
$0.10
107,510,400
7,342,400,000
$767,280,800.00
December 04 1986
$0.11
42,508,800
7,342,400,000
$770,952,000.00
December 03 1986
$0.10
35,164,800
7,342,400,000
$761,406,880.00
December 02 1986
$0.10
28,771,200
7,342,400,000
$767,280,800.00
December 01 1986
$0.10
40,291,200
7,342,400,000
$763,609,600.00
November 28 1986
$0.11
41,328,000
7,342,400,000
$779,028,640.00
November 26 1986
$0.11
38,793,600
7,342,400,000
$790,776,480.00
November 25 1986
$0.11
95,788,800
7,342,400,000
$798,853,120.00