tesla market cap in to 2015

On December 31, 2015, Tesla (TSLA) had a market capitalization of $31.5B, based on 1.97B shares at a price of $16.00.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 31 2015
$16.00
40,725,568
1,966,500,000
$31,465,376,550.00
December 30 2015
$15.87
55,468,813
1,966,500,000
$31,213,664,550.00
December 29 2015
$15.81
36,094,348
1,966,500,000
$31,095,674,550.00
December 28 2015
$15.26
28,519,559
1,966,500,000
$30,015,279,450.00
December 24 2015
$15.37
10,654,155
1,966,500,000
$30,227,661,450.00
December 23 2015
$15.31
23,324,684
1,966,500,000
$30,113,604,450.00
December 22 2015
$15.33
29,422,424
1,966,500,000
$30,146,445,000.00
December 21 2015
$15.50
29,297,609
1,966,500,000
$30,488,616,000.00
December 18 2015
$15.36
45,212,548
1,966,500,000
$30,213,306,000.00
December 17 2015
$15.56
49,479,568
1,966,500,000
$30,597,363,450.00
December 16 2015
$15.63
76,565,112
1,966,500,000
$30,744,261,000.00
December 15 2015
$14.74
33,666,359
1,966,500,000
$28,984,833,450.00
December 14 2015
$14.57
42,472,768
1,966,500,000
$28,655,838,000.00
December 11 2015
$14.47
49,030,888
1,966,500,000
$28,451,322,000.00
December 10 2015
$15.14
31,075,379
1,966,500,000
$29,768,877,000.00
December 09 2015
$14.97
45,866,293
1,966,500,000
$29,434,572,000.00
December 08 2015
$15.11
40,314,538
1,966,500,000
$29,723,057,550.00
December 07 2015
$15.41
47,163,343
1,966,500,000
$30,301,208,550.00
December 04 2015
$15.36
38,604,043
1,966,500,000
$30,202,883,550.00
December 03 2015
$15.51
44,093,458
1,966,500,000
$30,508,281,000.00
December 02 2015
$15.47
44,722,018
1,966,500,000
$30,413,889,000.00
December 01 2015
$15.81
56,009,323
1,966,500,000
$31,095,674,550.00
November 30 2015
$15.35
39,897,193
1,966,500,000
$30,187,151,550.00
November 27 2015
$15.44
29,240,294
1,966,500,000
$30,364,136,550.00
November 25 2015
$15.31
59,861,682
1,966,500,000
$30,105,738,450.00