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Deep Fission, Inc. (FISN)

Industrials | Specialty Industrial Machinery | Berkeley, United States | NasdaqGM
4.18 USD -0.27 (-6.067%) ⇩ (Oct. 12, 2026, 4 p.m. EDT)

Short-term:⯪☆☆☆☆Long-term:⯪☆☆☆☆Dividends:☆☆☆☆☆
Hot Take ↕ | Oct. 10, 2026, 6:45 a.m. EDT

The immediate outlook is severely bearish as the stock trades significantly below its moving averages, indicating heavy selling pressure, while the statistical forecast model leans negative despite low confidence. Fundamentally, the business is in distress with negative earnings, negative free cash flow, and negative returns on both assets and equity, suggesting the company is burning capital without generating value. Although analysts project a higher target price, this appears to be based on potential future milestones rather than current operational reality, as the company recently had to conduct another public offering to raise capital. There is no dividend to provide income, and the combination of deteriorating financials and a lack of proven revenue makes this a high-risk speculative vehicle rather than an investment.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.264245
AutoETS0.285662
MSTL0.298358
AutoARIMA0.350593

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 35%
H-stat 4.57
Ljung-Box p 0.000
Jarque-Bera p 0.761
Excess Kurtosis -0.46
Attribute Value
Sector Industrials
Debt to Equity Ratio 0.057
Market Cap 246,226,800
Forward P/E -3.10
Website https://deepfission.com

Info Dump

Attribute Value
52 Week Change -0.7129121
Address1 2,001 Addison Street
Address2 Suite 300
All Time High 19.0
All Time Low 4.12
Ask 10.0
Ask Size 1
Average Daily Volume10 Day 355,610
Average Daily Volume3 Month 280,701
Average Volume 280,701
Average Volume10Days 355,610
Bid 8.66
Bid Size 1
Book Value 1.653
City Berkeley
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 4.18
Current Ratio 11.469
Custom Price Alert Confidence HIGH
Date Short Interest 1,790,726,400
Day High 4.5571
Day Low 4.12
Debt To Equity 0.057
Display Name Deep Fission
Dividend Yield 0.0
Ebitda -70,969,840
Ebitda Margins 0.0
Enterprise To Ebitda -2.16
Enterprise Value 153,266,816
Eps Current Year -1.67
Eps Forward -1.35
Eps Trailing Twelve Months -2.0
Esg Populated 0
Exchange NGM
Exchange Data Delayed By 15
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 7.0958
Fifty Day Average Change -2.9158
Fifty Day Average Change Percent -0.41091916
Fifty Two Week Change Percent -71.29121
Fifty Two Week High 19.0
Fifty Two Week High Change -14.82
Fifty Two Week High Change Percent -0.78
Fifty Two Week Low 4.12
Fifty Two Week Low Change 0.059999943
Fifty Two Week Low Change Percent 0.014563093
Fifty Two Week Range 4.12 - 19.0
Financial Currency USD
First Trade Date Milliseconds 1,781,789,400,000
Float Shares 31,862,811
Forward Eps -1.35
Forward P E -3.096296
Free Cashflow -14,751,606
Full Exchange Name NasdaqGM
Full Time Employees 51
Fullday Change -0.26999998
Fullday Change Percent -6.0674157
Fullday Price 4.18
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.0
Has Pre Post Market Data 1
Held Percent Insiders 0.37664002
Held Percent Institutions 0.12792
Implied Shares Outstanding 58,905,938
Industry Specialty Industrial Machinery
Industry Disp Specialty Industrial Machinery
Industry Key specialty-industrial-machinery
Ipo Expected Date 2,026-06-18
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Deep Fission, Inc. develops and deploys small modular nuclear reactors placed deep underground to generate electricity. The company provides small modular nuclear reactors designed for underground installation at a depth of one mile, offering carbon-free energy and capacity solutions. It delivers scalable reactor configurations for onsite power needs or flexible offtake agreements in wholesale power markets, manages the licensing process with regulatory authorities, and supports strategic development for decarbonization and reliability goals. The company also provides advisory and partnership services for deployment and operation of its reactor technology, using artificial intelligence to streamline operations. Deep Fission serves utilities, data centers, heavy industry, the military, government, and large cities. The company was founded in 2023 and is based in Berkeley, California.
Long Name Deep Fission, Inc.
Market us_market
Market Cap 246,226,800
Market State PRE
Max Age 86,400
Message Board Id finmb_1892180269
Most Recent Quarter 1,782,777,600
Net Income To Common -106,419,952
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 478,316,216
Number Of Analyst Opinions 5
Open 4.5
Operating Cashflow -51,881,196
Operating Margins 0.0
Phone (707) 400-0778
Previous Close 4.45
Price Eps Current Year -2.502994
Price Hint 4
Price To Book 2.5287356
Profit Margins 0.0
Quick Ratio 10.911
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -0.27
Regular Market Change Percent -6.06742
Regular Market Day High 4.5571
Regular Market Day Low 4.12
Regular Market Day Range 4.12 - 4.5571
Regular Market Open 4.5
Regular Market Previous Close 4.45
Regular Market Price 4.18
Regular Market Time 1,791,835,201
Regular Market Volume 416,907
Return On Assets -0.79064006
Return On Equity -2.56074
Sand P52 Week Change 0.17318833
Sector Industrials
Sector Disp Industrials
Sector Key industrials
Shares Outstanding 58,905,938
Shares Percent Shares Out 0.027
Shares Short 1,589,926
Shares Short Previous Month Date 1,788,134,400
Shares Short Prior Month 946,241
Short Name Deep Fission, Inc.
Short Percent Of Float 0.0372
Short Ratio 4.2
Source Interval 15
State CA
Symbol FISN
Target High Price 25.0
Target Low Price 17.0
Target Mean Price 19.6
Target Median Price 18.0
Total Cash 93,016,000
Total Cash Per Share 1.579
Total Debt 56,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.0
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 8.470875
Two Hundred Day Average Change -4.290875
Two Hundred Day Average Change Percent -0.5065445
Type Disp Equity
Volume 416,907
Website https://deepfission.com
Zip 94,704