AA
Alcoa Corporation
stockNYSE
At CloseOct 23, 2026 3:59:57 PM EDT
37.92USD-2.003%(-0.78)3,775,222
Pre-marketOct 23, 2026 9:29:30 AM EDT
38.29USD-1.059%(-0.41)
After-hoursOct 23, 2026 4:58:30 PM EDT
38.03USD+0.272%(+0.10)
As of 2026-09-30, there were 11,725,447 shares short with a short interest of 4.46%.
AA Short Interest - Official
AA Short Position Change - Official
AA Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 4.46 | 11,725,447 | 2.85 | -259,203 | -2.16 | 263,909,445 | 262,832,694 |
| 2026-09-15 | 4.56 | 11,984,650 | 3.52 | -203,478 | -1.67 | 263,909,445 | 262,832,694 |
| 2026-08-31 | 4.64 | 12,188,128 | 2.87 | +1,254,394 | +11.47 | 263,909,445 | 262,832,694 |
| 2026-08-14 | 4.16 | 10,933,734 | 1.94 | +1,599,705 | +17.14 | 263,909,445 | 262,832,694 |
| 2026-07-31 | 3.55 | 9,334,029 | 1.63 | +352,244 | +3.92 | 263,909,445 | 262,811,542 |
| 2026-07-15 | 3.42 | 8,981,785 | 1.29 | +556,016 | +6.60 | 263,891,991 | 262,807,927 |
| 2026-06-30 | 3.21 | 8,425,769 | 1.36 | +333,850 | +4.13 | 263,889,875 | 262,807,927 |
| 2026-06-15 | 3.08 | 8,091,919 | 1.47 | +1,573,405 | +24.14 | 263,889,875 | 262,807,927 |
| 2026-05-29 | 2.48 | 6,518,514 | 1.52 | +591,927 | +9.99 | 263,889,875 | 262,448,105 |
| 2026-05-15 | 2.26 | 5,926,587 | 1.39 | -234,269 | -3.80 | 263,889,875 | 262,618,314 |
| 2026-04-30 | 2.40 | 6,160,856 | 1.34 | +182,663 | +3.06 | 263,862,592 | 257,016,622 |
| 2026-04-15 | 2.33 | 5,978,193 | 1.15 | -957,463 | -13.80 | 263,862,592 | 257,016,622 |
| 2026-03-31 | 2.70 | 6,935,656 | 1.05 | -1,676,424 | -19.47 | 263,862,592 | 257,016,622 |
| 2026-03-13 | 3.35 | 8,612,080 | 1.13 | +1,408,742 | +19.56 | 263,839,742 | 257,016,622 |
| 2026-02-27 | 2.80 | 7,203,338 | 1.22 | -555,066 | -7.15 | 258,964,032 | 257,016,622 |
| 2026-02-13 | 3.02 | 7,758,404 | 1.00 | +2,277,855 | +41.56 | 258,964,032 | 257,016,622 |
| 2026-01-30 | 2.13 | 5,480,549 | 1.00 | -1,221,851 | -18.23 | 258,964,032 | 257,016,622 |
| 2026-01-15 | 2.61 | 6,702,400 | 1.00 | -889,254 | -11.71 | 258,964,032 | 257,016,622 |
| 2025-12-31 | 2.95 | 7,591,654 | 1.46 | +1,600,217 | +26.71 | 258,964,032 | 257,016,622 |
| 2025-12-15 | 2.33 | 5,991,437 | 1.00 | -945,177 | -13.63 | 258,964,032 | 257,016,622 |
| 2025-11-28 | 2.70 | 6,936,614 | 1.28 | +330,143 | +5.00 | 258,964,032 | 257,016,622 |
| 2025-11-14 | 2.57 | 6,606,471 | 1.12 | -5,738,249 | -46.48 | 258,964,032 | 256,990,726 |
| 2025-10-31 | 4.80 | 12,344,720 | 1.41 | +922,839 | +8.08 | 258,964,032 | 256,990,726 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.