Deep Fission, Inc. Share Price
NASDAQ: FISNDeep Fission, Inc. Stock Performance
Deep Fission, Inc. Share Price Today
As of 18 October 2026, Deep Fission, Inc.'s share price is $3.45. The stock opened at $3.65, compared to its previous close of $3.59. During today's trading session, Deep Fission, Inc.'s share price traded between $3.42 and $3.65, with an average price of $3.53. Over the past 52 weeks, the stock has recorded a high of $18.89 and a low of $3.42. In terms of performance, Deep Fission, Inc.'s share price has declined by 68.35% over the last six months and is down 68.35% on a year-on-year basis.
Deep Fission, Inc. Share Price Chart
Deep Fission, Inc. Quarterly Profit & Loss
All figures in USD
About Deep Fission, Inc.
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.
Deep Fission, Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Oct 2026 | $5.20 | $3.44 | -34.35% |
Sep 2026 | $6.80 | $5.24 | -24.22% |
Aug 2026 | $9.95 | $6.92 | -27.78% |
Jul 2026 | $10.34 | $9.57 | -12.16% |
Jun 2026 | $16.00 | $10.90 | N/A |