Nasdaq · Common stock
Deep Fission (FISN)
$2.16 −$0.14 (−6.09%)
- Day’s range
- $2.10–$2.31
- Volume
- 406,936
FISN price history
FISN closed at $2.16 on Oct. 26, 2026. Over the past year, its daily close ranged from $2.16 on Oct. 26, 2026 to $14.56 on June 18, 2026.
Data table: FISN daily closes, the past year
| Date | Close |
|---|---|
| Oct. 26, 2026 | $2.16 |
| Oct. 23, 2026 | $2.30 |
| Oct. 22, 2026 | $2.41 |
| Oct. 21, 2026 | $2.63 |
| Oct. 20, 2026 | $2.81 |
| Oct. 19, 2026 | $3.66 |
| Oct. 16, 2026 | $3.45 |
| Oct. 15, 2026 | $3.65 |
| Oct. 14, 2026 | $3.85 |
| Oct. 13, 2026 | $4.01 |
| Oct. 12, 2026 | $4.18 |
| Oct. 9, 2026 | $4.45 |
| Oct. 8, 2026 | $4.66 |
| Oct. 7, 2026 | $5.08 |
| Oct. 6, 2026 | $5.47 |
| Oct. 5, 2026 | $5.38 |
| Oct. 2, 2026 | $5.57 |
| Oct. 1, 2026 | $5.18 |
| Sept. 30, 2026 | $5.13 |
| Sept. 29, 2026 | $5.25 |
| Sept. 28, 2026 | $5.42 |
| Sept. 25, 2026 | $6.25 |
| Sept. 24, 2026 | $6.95 |
| Sept. 23, 2026 | $7.80 |
| Sept. 22, 2026 | $8.12 |
| Sept. 21, 2026 | $7.82 |
| Sept. 18, 2026 | $8.47 |
| Sept. 17, 2026 | $8.12 |
| Sept. 16, 2026 | $7.10 |
| Sept. 15, 2026 | $7.11 |
| Sept. 14, 2026 | $7.16 |
| Sept. 11, 2026 | $7.16 |
| Sept. 10, 2026 | $6.75 |
| Sept. 9, 2026 | $7.11 |
| Sept. 8, 2026 | $6.98 |
| Sept. 4, 2026 | $7.15 |
| Sept. 3, 2026 | $7.14 |
| Sept. 2, 2026 | $6.97 |
| Sept. 1, 2026 | $6.39 |
| Aug. 31, 2026 | $6.71 |
| Aug. 28, 2026 | $6.56 |
| Aug. 27, 2026 | $6.93 |
| Aug. 26, 2026 | $6.89 |
| Aug. 25, 2026 | $6.93 |
| Aug. 24, 2026 | $7.13 |
| Aug. 21, 2026 | $8.25 |
| Aug. 20, 2026 | $7.77 |
| Aug. 19, 2026 | $8.00 |
| Aug. 18, 2026 | $7.82 |
| Aug. 17, 2026 | $8.12 |
| Aug. 14, 2026 | $8.64 |
| Aug. 13, 2026 | $8.25 |
| Aug. 12, 2026 | $8.34 |
| Aug. 11, 2026 | $8.25 |
| Aug. 10, 2026 | $7.95 |
| Aug. 7, 2026 | $8.99 |
| Aug. 6, 2026 | $9.22 |
| Aug. 5, 2026 | $8.70 |
| Aug. 4, 2026 | $9.10 |
| Aug. 3, 2026 | $9.92 |
| July 31, 2026 | $9.41 |
| July 30, 2026 | $9.62 |
| July 29, 2026 | $9.72 |
| July 28, 2026 | $9.89 |
| July 27, 2026 | $9.79 |
| July 24, 2026 | $10.26 |
| July 23, 2026 | $10.67 |
| July 22, 2026 | $11.57 |
| July 21, 2026 | $10.98 |
| July 20, 2026 | $10.31 |
| July 17, 2026 | $10.65 |
| July 16, 2026 | $10.51 |
| July 15, 2026 | $12.16 |
| July 14, 2026 | $10.65 |
| July 13, 2026 | $10.37 |
| July 10, 2026 | $11.11 |
| July 9, 2026 | $11.14 |
| July 8, 2026 | $10.99 |
| July 7, 2026 | $10.37 |
| July 6, 2026 | $9.88 |
| July 2, 2026 | $10.29 |
| July 1, 2026 | $10.49 |
| June 30, 2026 | $11.04 |
| June 29, 2026 | $11.05 |
| June 26, 2026 | $10.75 |
| June 25, 2026 | $10.03 |
| June 24, 2026 | $9.76 |
| June 23, 2026 | $12.44 |
| June 22, 2026 | $12.42 |
| June 18, 2026 | $14.56 |
Key figures
- Average daily volume
- 369,541Past 3 months
- Market value
- $127.2M
- Dividend yield
- —
Price change
- 1 month
- −65.44%
- 3 months
- −78.95%
What Wall Street says about FISN
In the past 90 days, Wall Street firms published 3 rating or price-target actions on FISN: 2 new ratings and 1 lowered price target.
| Action | Rating | |||
|---|---|---|---|---|
| Maxim Group | Cuts target | Buy | $17 to $12 | |
| Roth Capital | Initiates coverage | Buy | $18 | |
| Maxim Group | Initiates coverage | Buy | $17 |
Ratings and price targets are the firms’ own opinions, reported as published.
Not investment advice.
About Deep Fission, Inc. Common Stock
Deep Fission Inc is a nuclear energy technology company developing a small modular reactor based on established pressurized water reactor technology, with novel emplacement in deep boreholes approximately one mile below the Earth's surface. Its reactor, which is referred to as the Gravity Reactor, will leverage subsurface conditions to support key containment and operating functions, including the use of hydrostatic pressure from a water column within the borehole to support reactor operating pressure and cooling, and the surrounding geological formation to provide structural confinement and shielding. The group's focus is within the United States, where electricity demand growth, expanding digital infrastructure, and evolving energy policy.
- Headquarters
- Berkeley, Calif.
- Listed
- June 18, 2026
- Sector
- Utilities
- Industry
- Electric services
In WallStreetDigest editions
No WallStreetDigest article about FISN is on the site yet.