ALGN
Align Technology Inc
stockNASDAQ
At CloseNov 3, 2026 3:59:50 PM EST
151.59USD-1.648%(-2.54)614,422
As of 2026-10-15, there were 4,147,627 shares short with a short interest of 6.20%.
ALGN Short Interest - Official
ALGN Short Position Change - Official
ALGN Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 6.20 | 4,147,627 | 4.33 | -55,021 | -1.31 | 71,039,852 | 66,844,238 |
| 2026-09-30 | 6.28 | 4,202,648 | 4.30 | +301,611 | +7.73 | 71,039,852 | 66,907,881 |
| 2026-09-15 | 5.83 | 3,901,037 | 4.89 | +44,624 | +1.16 | 71,039,852 | 66,907,881 |
| 2026-08-31 | 5.76 | 3,856,413 | 4.40 | +429,710 | +12.54 | 71,039,852 | 66,907,881 |
| 2026-08-14 | 5.12 | 3,426,703 | 4.32 | -775,584 | -18.46 | 71,039,852 | 66,907,881 |
| 2026-07-31 | 6.28 | 4,202,287 | 3.97 | -623,003 | -12.91 | 71,618,127 | 66,907,881 |
| 2026-07-15 | 7.20 | 4,825,290 | 5.35 | +143,112 | +3.06 | 71,618,127 | 67,023,108 |
| 2026-06-30 | 6.99 | 4,682,178 | 3.88 | -28,421 | -0.60 | 71,618,127 | 67,023,824 |
| 2026-06-15 | 7.03 | 4,710,599 | 5.14 | +81,437 | +1.76 | 71,618,127 | 67,023,824 |
| 2026-05-29 | 6.91 | 4,629,162 | 3.80 | -289,816 | -5.89 | 71,618,127 | 67,023,824 |
| 2026-05-15 | 7.34 | 4,918,978 | 6.36 | +654,747 | +15.35 | 71,618,127 | 67,041,013 |
| 2026-04-30 | 6.34 | 4,264,231 | 3.47 | +446,984 | +11.71 | 71,617,275 | 67,215,395 |
| 2026-04-15 | 5.68 | 3,817,247 | 4.39 | -535,271 | -12.30 | 71,617,275 | 67,215,395 |
| 2026-03-31 | 6.48 | 4,352,518 | 3.30 | +1,388,165 | +46.83 | 71,282,132 | 67,215,395 |
| 2026-03-13 | 4.41 | 2,964,353 | 2.08 | +602,476 | +25.51 | 71,282,132 | 67,215,395 |
| 2026-02-27 | 3.51 | 2,361,877 | 2.26 | -945 | -0.04 | 71,749,995 | 67,215,395 |
| 2026-02-13 | 3.52 | 2,362,822 | 1.30 | +433,098 | +22.44 | 71,749,995 | 67,215,395 |
| 2026-01-30 | 2.87 | 1,929,724 | 2.34 | +26,356 | +1.38 | 71,749,995 | 67,215,395 |
| 2026-01-15 | 2.83 | 1,903,368 | 2.09 | -464,459 | -19.62 | 71,749,995 | 67,215,395 |
| 2025-12-31 | 3.52 | 2,367,827 | 2.37 | -563,094 | -19.21 | 71,749,995 | 67,215,395 |
| 2025-12-15 | 4.36 | 2,930,921 | 2.04 | +389,426 | +15.32 | 71,749,995 | 67,215,395 |
| 2025-11-28 | 3.78 | 2,541,495 | 1.33 | -457,584 | -15.26 | 71,749,995 | 67,226,158 |
| 2025-11-14 | 4.46 | 2,999,079 | 2.81 | +418,459 | +16.22 | 71,749,995 | 67,224,723 |
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.