USD10
FISN Shares
About Deep FissionDeep 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.

USD10
FISN Shares
About Deep FissionDeep 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.

Stats

TRADING WINDOW

Closed

OPENS AT

Sep 30 at 1:30 PM UTC

MARKET CAP

$326.34M

OPEN PRICE

Not enough data

LOW (1Y)

$5.40

HIGH (1Y)

$19.00

LOW (24H)

$5.20

HIGH (24H)

$6.00

VOLUME (24H)

$240.2K

29.83%

Price history

Time
Price
Change
Today
Not enough data
Not enough data
1 Day
$5.43
2.03%
1 Week
$8.21
32.52%
1 Month
$6.72
17.50%
1 Year
$14.56
61.95%
Past performance is not a reliable indicator of future results.

Discover more

Legal
Information is provided for informational purposes only, and is not investment advice. This is not an invitation, inducement or recommendation to buy any particular asset, or to employ any particular investment strategy. Coinbase makes no representation as to the accuracy, suitability or validity of any information provided.All ticker names are trademarks of their respective holders. Any ticker reference does not imply affiliate with or endorsement by a third-party. Real-time prices are sourced from third parties, but not from all markets. Source: Nasdaq Last Sale. Morningstar data ©2026.