On September 28, 2012, Apple (AAPL) had a market capitalization of $533.5B, based on 26.55B shares at a price of $20.09.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
September 28 2012 | $20.09 | 535,110,800 | 26,549,208,000 | $533,450,581,423.20 |
September 27 2012 | $20.52 | 594,090,000 | 26,549,208,000 | $544,824,262,130.40 |
September 26 2012 | $20.04 | 576,503,200 | 26,549,208,000 | $531,916,037,200.80 |
September 25 2012 | $20.29 | 518,789,600 | 26,549,208,000 | $538,601,127,775.20 |
September 24 2012 | $20.81 | 639,766,400 | 26,549,208,000 | $552,396,096,252.00 |
September 21 2012 | $21.09 | 571,589,200 | 26,549,208,000 | $559,832,529,412.80 |
September 20 2012 | $21.04 | 336,568,400 | 26,549,208,000 | $558,720,117,597.60 |
September 19 2012 | $21.15 | 326,874,800 | 26,549,208,000 | $561,438,756,496.80 |
September 18 2012 | $21.14 | 373,503,200 | 26,549,208,000 | $561,287,426,011.20 |
September 17 2012 | $21.08 | 398,031,200 | 26,549,208,000 | $559,582,966,857.60 |
September 14 2012 | $20.82 | 600,474,000 | 26,549,208,000 | $552,786,369,609.60 |
September 13 2012 | $20.57 | 598,360,000 | 26,549,208,000 | $546,149,067,609.60 |
September 12 2012 | $20.17 | 712,233,200 | 26,549,208,000 | $535,603,722,192.00 |
September 11 2012 | $19.90 | 503,983,200 | 26,549,208,000 | $528,244,281,734.40 |
September 10 2012 | $19.96 | 487,998,000 | 26,549,208,000 | $529,964,670,412.80 |
September 07 2012 | $20.49 | 329,666,400 | 26,549,208,000 | $544,118,053,197.60 |
September 06 2012 | $20.37 | 391,196,400 | 26,549,208,000 | $540,783,472,672.80 |
September 05 2012 | $20.19 | 336,375,200 | 26,549,208,000 | $535,954,171,737.60 |
September 04 2012 | $20.33 | 367,892,000 | 26,549,208,000 | $539,745,398,640.00 |
