FISN (Deep Fission Inc.) historical data
STOCKListed1-minute bars
| Symbol | FISN |
|---|---|
| Name | Deep Fission Inc. |
| Exchange | NASDAQ |
| Sector | Industrials |
| Industry | Industrial - Machinery |
| IPO date | 2026-06-18 |
| History | 2026-06-18 to 2026-10-09 (about 1 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
FISN last closed at $4.45 on 2026-10-09. Its deepest fall from a prior high in this history was -69.4%, reached on 2026-10-09.
| Last close | $4.45 (2026-10-09) |
|---|---|
| 52-week range | $4.45 – $14.56 |
| Deepest drawdown | -69.4% (2026-10-09) |
| Avg. daily dollar volume (3 months) | $2.1m |
| Daily bars in history | 78 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Short interest (2026-09-30)
| Shares short | 1,589,926 (+27.5% vs prior report) |
|---|---|
| Days to cover | 3.09 |
FISN short interest history · Industrials sector
Get it in Python
import finzdata as yf
df = yf.Ticker("FISN").history(start="2026-06-18", interval="1d")
df.tail()