Deep Fission, Inc. Overview
FISN market data
Business OverviewA provider-written description of this company or fund, with its source and observation date.
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.
- Source
- massive
- Observed
- Cadence
- Reference data reviewed periodically
- Status
- fresh
Price HistoryDaily closing prices from recorded market data. The latest point represents the most recent completed daily period; prices can move before the next point appears.
- O
- 2.14
- H
- 2.28
- L
- 2.02
- C
- 2.07
- Vol
- 19,574.00
Daily history from Jun 18, 2026
- Source
- US equities market feed
- Observed
- Cadence
- Five-minute page cache; daily and stored hourly bars
- Status
- fresh
Key Stats & PerformanceOpen, range, return and notional-volume facts calculated from daily market bars.
- Open
- $2.14
- Previous Close
- $2.11
- Day High
- $2.28
- Day Low
- $2.02
- 52 Week High
- $18.90
- 52 Week Low
- $1.45
- 7 Day Return
- -5.92%
- 30 Day Return
- -50.72%
- 90 Day Return
- -74.89%
- 1 Year Return
- —
- Daily Notional Volume
- $40.4K Latest daily bar volume multiplied by its closing price.
Valuation & ProfitabilityProvider-backed valuation, profitability, and range metrics for the selected company. Display-only; never feeds scores or decisions.
- P/E (TTM)
- — Trailing twelve-month price-to-earnings ratio. Higher means the market is pricing in more growth. Negative or missing when earnings are negative.
- Forward P/E
- — P/E based on consensus forward EPS estimates. Lower versus trailing implies expected earnings growth.
- EPS (TTM)
- -$2.02 Diluted earnings per share over the trailing twelve months.
- Beta
- 2.34 Volatility relative to the index. 1.00 equals market, above 1 amplifies the broad-market move, below 1 dampens it.
- Dividend Yield
- — Annual dividend per share divided by current price. Zero or blank when the company does not pay a dividend.
- Profit Margin
- — Net income divided by revenue. Comparable within a sector, less so across sectors.
- 52w range
- $1.44 – $19.00 Lowest and highest closing prices over the past 52 weeks.
- Analyst Target
- — Mean of sell-side analyst 12-month price targets. Use as a sentiment gauge; targets are biased upward in aggregate.
Display-only. Refreshed once per symbol per 24 hours · market cap $166.7M.