ALDX short interest
Aldeyra The · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 3,470,527 |
|---|---|
| Change vs prior report | -133,480 (-3.7%) |
| Change over six months | -36.8% |
| Days to cover | 3.02 (sector: 3.78) |
| Average daily volume | 1,149,748 |
| Rank in Healthcare | #629 of 922 by days to cover |
ALDX short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 3,470,527 | -3.7% | 3.02 | 1,149,748 |
| 2026-09-15 | 3,604,007 | +15.5% | 4.88 | 738,249 |
| 2026-08-31 | 3,121,454 | -6.1% | 4.75 | 656,849 |
| 2026-08-14 | 3,324,554 | -2.9% | 3.81 | 872,280 |
| 2026-07-31 | 3,424,453 | -4.7% | 3.07 | 1,115,055 |
| 2026-07-15 | 3,594,821 | -36.7% | 1.99 | 1,809,105 |
| 2026-06-30 | 5,675,750 | -17.3% | 2.50 | 2,267,762 |
| 2026-06-15 | 6,866,258 | -13.6% | 6.26 | 1,096,740 |
| 2026-05-29 | 7,950,344 | +4.8% | 8.58 | 926,177 |
| 2026-05-15 | 7,582,299 | +3.0% | 8.49 | 893,265 |
| 2026-04-30 | 7,364,319 | +32.9% | 6.27 | 1,173,864 |
| 2026-04-15 | 5,543,145 | +0.9% | 2.60 | 2,128,285 |
| 2026-03-31 | 5,491,622 | -14.6% | 1.00 | 10,152,747 |
| 2026-03-13 | 6,433,712 | +22.5% | 3.95 | 1,629,596 |
| 2026-02-27 | 5,253,462 | -4.0% | 7.63 | 688,630 |
| 2026-02-13 | 5,474,270 | +4.2% | 7.68 | 713,137 |
| 2026-01-30 | 5,251,061 | +2.9% | 5.64 | 931,645 |
| 2026-01-15 | 5,101,891 | +3.0% | 6.35 | 803,729 |
| 2025-12-31 | 4,951,552 | -20.1% | 3.01 | 1,646,417 |
| 2025-12-15 | 6,197,312 | +5.6% | 4.62 | 1,341,963 |
| 2025-11-28 | 5,868,803 | +5.4% | 7.79 | 753,810 |
| 2025-11-14 | 5,566,535 | +5.0% | 8.49 | 655,470 |
| 2025-10-31 | 5,301,485 | +13.2% | 8.35 | 634,937 |
| 2025-10-15 | 4,682,239 | -7.9% | 6.68 | 700,941 |
| 2025-09-30 | 5,085,596 | -5.5% | 7.13 | 713,066 |
import finzdata as yf
yf.Ticker("ALDX").short_interest # every report since 2017
yf.Client().short_interest(["ALDX"], start="2018-01-01")Healthcare short interest · ALDX price history · Who owns ALDX · All short interest