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Deep Fission, Inc. Share Price

Deep Fission, Inc. Share Price

NASDAQ: FISN
$3.45
-$0.14 (-3.9%) Last updated on 17 Oct, 2026 | 01:29 IST
  • Performance
  • Chart
  • Fundamentals
  • Quarterly P&L
  • Annual P&L
  • About
  • Price history
  • FAQs

Deep Fission, Inc. Stock Performance

Open
$3.65
Prev. Close
$3.59
Circuit Range
N/A
Day Range
$3.42 - $3.65
Year Range
$3.42 - $18.89
Volume
17,438
Average Traded
$3.50

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

$3.42$3.65
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Show Current Price
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Deep Fission, Inc. Stock Fundamentals & Key Indicators

Market Cap
N/A
PE Ratio (TTM)
N/A
Dividend Yield
0.00%
EPS (TTM)
$-1.80
Revenue (TTM)
N/A
Return On Equity (TTM)
-107.56%
Profit Margin
N/A
Debt to Equity
0.00
Quarterly Earnings Growth YoY
N/A

Deep Fission, Inc. Quarterly Profit & Loss

All figures in USD

ParticularsJun 2026
Revenue$0.00
Net Profit-$31.01
Net Profit MarginN/A
Income ChangeN/A

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

MonthOpenCloseChange %
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

FISN Share Price FAQs

What is Deep Fission, Inc. share price today?

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Deep Fission, Inc. share price today is $3.45 as on October 17, 2026 at 1:29 am IST.

What is the 52 week high and 52 week low of Deep Fission, Inc. stock?

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The 52 week high of Deep Fission, Inc. stock is $18.89, while the 52 week low is $3.42 as of 17 Oct '26.

What is FISN's net income for the last quarter?

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FISN's net income for the last quarter is -31.01B USD.

What is the 5 year returns of FISN?

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The 5 year returns of FISN is -68.35% as on 17 Oct '26.

What is the high & low stock price of FISN today?

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FISN stock price hit a high of $3.65 and low of $3.42 as of 17 Oct '26.

Can I buy FISN shares in India?

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Yes. You can buy FISN in India by opening an international trading account.