ALGN short interest
Align Technology Inc. · Healthcare · Medical - Devices · settlement date 2026-09-30
| Shares short | 4,202,648 |
|---|---|
| Change vs prior report | 301,611 (+7.7%) |
| Change over six months | -3.4% |
| Days to cover | 4.30 (sector: 3.78) |
| Average daily volume | 976,621 |
| Rank in Healthcare | #490 of 922 by days to cover |
ALGN short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 4,202,648 | +7.7% | 4.30 | 976,621 |
| 2026-09-15 | 3,901,037 | +1.2% | 4.89 | 797,474 |
| 2026-08-31 | 3,856,413 | +12.5% | 4.40 | 877,219 |
| 2026-08-14 | 3,426,703 | -18.5% | 4.32 | 792,695 |
| 2026-07-31 | 4,202,287 | -12.9% | 3.97 | 1,058,022 |
| 2026-07-15 | 4,825,290 | +3.1% | 5.35 | 902,373 |
| 2026-06-30 | 4,682,178 | -0.6% | 3.88 | 1,206,993 |
| 2026-06-15 | 4,710,599 | +1.8% | 5.14 | 916,937 |
| 2026-05-29 | 4,629,162 | -5.9% | 3.80 | 1,218,081 |
| 2026-05-15 | 4,918,978 | +15.3% | 6.36 | 773,872 |
| 2026-04-30 | 4,264,231 | +11.7% | 3.47 | 1,228,809 |
| 2026-04-15 | 3,817,247 | -12.3% | 4.39 | 869,284 |
| 2026-03-31 | 4,352,518 | +46.8% | 3.30 | 1,320,228 |
| 2026-03-13 | 2,964,353 | +25.5% | 2.08 | 1,425,404 |
| 2026-02-27 | 2,361,877 | -0.0% | 2.26 | 1,043,385 |
| 2026-02-13 | 2,362,822 | +22.4% | 1.30 | 1,816,510 |
| 2026-01-30 | 1,929,724 | +1.4% | 2.34 | 824,703 |
| 2026-01-15 | 1,903,368 | -19.6% | 2.09 | 908,792 |
| 2025-12-31 | 2,367,827 | -19.2% | 2.37 | 997,595 |
| 2025-12-15 | 2,930,921 | +15.3% | 2.04 | 1,438,482 |
| 2025-11-28 | 2,541,495 | -15.3% | 1.33 | 1,914,110 |
| 2025-11-14 | 2,999,079 | +16.2% | 2.81 | 1,066,631 |
| 2025-10-31 | 2,580,620 | +6.3% | 1.82 | 1,416,236 |
| 2025-10-15 | 2,428,502 | +13.6% | 1.93 | 1,258,594 |
| 2025-09-30 | 2,138,506 | -4.2% | 1.78 | 1,200,910 |
import finzdata as yf
yf.Ticker("ALGN").short_interest # every report since 2017
yf.Client().short_interest(["ALGN"], start="2018-01-01")Healthcare short interest · ALGN price history · Who owns ALGN · All short interest