amazon market cap in 2017

On December 29, 2017, Amazon (AMZN) had a market capitalization of $580.1B, based on 9.92B shares at a price of $58.47.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 29 2017
$58.47
53,767,819
9,920,000,000
$580,057,120,000.00
December 28 2017
$59.31
36,833,519
9,920,000,000
$588,305,600,000.00
December 27 2017
$59.11
37,344,159
9,920,000,000
$586,400,960,000.00
December 26 2017
$58.84
40,103,739
9,920,000,000
$583,672,960,000.00
December 22 2017
$58.42
31,701,080
9,920,000,000
$579,506,560,000.00
December 21 2017
$58.74
42,462,339
9,920,000,000
$582,680,960,000.00
December 20 2017
$58.88
47,423,319
9,920,000,000
$584,099,520,000.00
December 19 2017
$59.37
51,755,839
9,920,000,000
$588,940,480,000.00
December 18 2017
$59.53
58,952,499
9,920,000,000
$590,527,680,000.00
December 15 2017
$58.96
95,572,419
9,920,000,000
$584,853,440,000.00
December 14 2017
$58.71
64,286,739
9,920,000,000
$582,432,960,000.00
December 13 2017
$58.21
52,335,199
9,920,000,000
$577,408,480,000.00
December 12 2017
$58.25
44,717,839
9,920,000,000
$577,879,680,000.00
December 11 2017
$58.45
47,269,459
9,920,000,000
$579,784,320,000.00
December 08 2017
$58.10
61,001,479
9,920,000,000
$576,352,000,000.00
December 07 2017
$57.99
50,231,379
9,920,000,000
$575,255,840,000.00
December 06 2017
$57.62
57,066,319
9,920,000,000
$571,565,600,000.00
December 05 2017
$57.08
81,595,479
9,920,000,000
$566,218,720,000.00
December 04 2017
$56.70
118,638,298
9,920,000,000
$562,439,200,000.00
December 01 2017
$58.12
82,141,879
9,920,000,000
$576,525,600,000.00
November 30 2017
$58.84
90,184,159
9,920,000,000
$583,668,000,000.00
November 29 2017
$58.06
185,150,237
9,920,000,000
$575,989,920,000.00
November 28 2017
$59.68
91,188,979
9,920,000,000
$592,025,600,000.00
November 27 2017
$59.79
134,880,898
9,920,000,000
$593,131,680,000.00
November 24 2017
$59.30
70,560,219
9,920,000,000
$588,256,000,000.00