ALDX (Aldeyra The) historical data
STOCKListed1-minute bars
| Symbol | ALDX |
|---|---|
| Name | Aldeyra The |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Biotechnology |
| IPO date | 2014-05-02 |
| History | 2014-05-05 to 2026-10-09 (about 12 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
ALDX last closed at $0.92 on 2026-10-09, -83.8% over the past year and -89.1% over five years. Its deepest fall from a prior high in this history was -93.8%, reached on 2026-10-06.
| Last close | $0.92 (2026-10-09) |
|---|---|
| 1-year change | -83.8% |
| 5-year change | -89.1% |
| Annualized since 2014-05-05 | -14.8% |
| 52-week range | $0.92 – $5.67 |
| Deepest drawdown | -93.8% (2026-10-06) |
| Avg. daily dollar volume (3 months) | $1.6m |
| Daily bars in history | 3,124 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 108 |
|---|---|
| Shares held | 36,733,278 ($78.2m reported value) |
| Quarter flows | 19 new, 31 added, 44 trimmed, 39 exited; -604,576 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("ALDX") on the look-back bundles. Top holders of ALDX · All 13F managers
Short interest (2026-09-30)
| Shares short | 3,470,527 (-3.7% vs prior report) |
|---|---|
| Days to cover | 3.02 |
ALDX short interest history · Healthcare sector
Get it in Python
import finzdata as yf
df = yf.Ticker("ALDX").history(start="2014-05-05", interval="1d")
df.tail()