On September 28, 2012, Apple (AAPL) had a market capitalization of $532B, based on 26.55B shares at a price of $20.04.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
September 28 2012 | $20.04 | 535,110,800 | 26,549,208,000 | $532,003,649,587.20 |
September 27 2012 | $20.47 | 594,090,000 | 26,549,208,000 | $543,345,471,244.80 |
September 26 2012 | $19.98 | 576,503,200 | 26,549,208,000 | $530,471,760,285.60 |
September 25 2012 | $20.23 | 518,789,600 | 26,549,208,000 | $537,138,266,414.40 |
September 24 2012 | $20.75 | 639,766,400 | 26,549,208,000 | $550,896,066,000.00 |
September 21 2012 | $21.03 | 571,589,200 | 26,549,208,000 | $558,311,259,794.40 |
September 20 2012 | $20.99 | 336,568,400 | 26,549,208,000 | $557,204,157,820.80 |
September 19 2012 | $21.09 | 326,874,800 | 26,549,208,000 | $559,914,831,957.60 |
September 18 2012 | $21.08 | 373,503,200 | 26,549,208,000 | $559,763,501,472.00 |
September 17 2012 | $21.02 | 398,031,200 | 26,549,208,000 | $558,064,352,160.00 |
September 14 2012 | $20.76 | 600,474,000 | 26,549,208,000 | $551,286,339,357.60 |
September 13 2012 | $20.52 | 598,360,000 | 26,549,208,000 | $544,667,621,803.20 |
September 12 2012 | $20.12 | 712,233,200 | 26,549,208,000 | $534,148,825,593.60 |
September 11 2012 | $19.84 | 503,983,200 | 26,549,208,000 | $526,810,624,502.40 |
September 10 2012 | $19.91 | 487,998,000 | 26,549,208,000 | $528,525,703,339.20 |
September 07 2012 | $20.44 | 329,666,400 | 26,549,208,000 | $542,641,917,232.80 |
September 06 2012 | $20.31 | 391,196,400 | 26,549,208,000 | $539,315,301,470.40 |
September 05 2012 | $20.13 | 336,375,200 | 26,549,208,000 | $534,499,275,139.20 |
September 04 2012 | $20.27 | 367,892,000 | 26,549,208,000 | $538,279,882,358.40 |