On December 31, 1999, Microsoft (MSFT) had a market capitalization of $392.5B, based on 11.08B shares at a price of $35.44.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 1999 | $35.44 | 12,517,600 | 11,076,000,000 | $392,547,838,800.00 |
December 30 1999 | $35.71 | 22,360,000 | 11,076,000,000 | $395,489,624,400.00 |
December 29 1999 | $35.80 | 17,449,200 | 11,076,000,000 | $396,540,736,800.00 |
December 28 1999 | $35.67 | 24,591,000 | 11,076,000,000 | $395,069,844,000.00 |
December 27 1999 | $36.16 | 32,202,200 | 11,076,000,000 | $400,533,634,800.00 |
December 23 1999 | $35.65 | 31,028,400 | 11,076,000,000 | $394,859,400,000.00 |
December 22 1999 | $35.69 | 38,565,200 | 11,076,000,000 | $395,280,288,000.00 |
December 21 1999 | $35.18 | 57,446,000 | 11,076,000,000 | $389,606,053,200.00 |
December 20 1999 | $34.23 | 39,433,800 | 11,076,000,000 | $379,098,252,000.00 |
December 17 1999 | $34.99 | 105,898,800 | 11,076,000,000 | $387,503,828,400.00 |
December 16 1999 | $34.51 | 128,660,200 | 11,076,000,000 | $382,251,589,200.00 |
December 15 1999 | $32.92 | 155,571,600 | 11,076,000,000 | $364,598,660,400.00 |
December 14 1999 | $29.96 | 144,116,200 | 11,076,000,000 | $331,817,023,200.00 |
December 13 1999 | $29.33 | 52,691,600 | 11,076,000,000 | $324,881,232,000.00 |
December 10 1999 | $28.50 | 36,836,000 | 11,076,000,000 | $315,634,987,200.00 |
December 09 1999 | $28.16 | 46,258,200 | 11,076,000,000 | $311,852,533,200.00 |
December 08 1999 | $27.85 | 40,955,800 | 11,076,000,000 | $308,490,967,200.00 |
December 07 1999 | $28.23 | 56,859,200 | 11,076,000,000 | $312,693,201,600.00 |
December 06 1999 | $28.97 | 49,098,200 | 11,076,000,000 | $320,889,441,600.00 |
December 03 1999 | $29.18 | 64,100,600 | 11,076,000,000 | $323,201,002,800.00 |
December 02 1999 | $28.78 | 55,473,800 | 11,076,000,000 | $318,788,324,400.00 |
December 01 1999 | $28.29 | 48,864,200 | 11,076,000,000 | $313,324,533,600.00 |
November 30 1999 | $27.64 | 64,145,600 | 11,076,000,000 | $306,126,241,200.00 |
November 29 1999 | $27.38 | 51,460,200 | 11,076,000,000 | $303,237,620,400.00 |
November 26 1999 | $27.66 | 28,514,200 | 11,076,000,000 | $306,388,742,400.00 |