Deep Fission Inc. Common Stock (FISN)
Stock · NASDAQ · Utilities
$3.45as of 10/16/2026
Price chart
Active signals
No technical signal is currently active for this symbol.
About FISN
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…
- Sector
- Utilities
- Industry
- Electric Utilities: Central
- Employees
- 51
- Website
- www.deepfission.com
Fundamentals
- 1-day range
- $3.55$3.85
- Market cap
- $543.11M
- P/E (trailing)
- —
- P/E (forward)
- -2.70
- EPS (trailing)
- $-1.76
- Dividend yield
- —
- Beta
- 0.21
- Avg. volume
- 288.2K
Forecasts
5 analyst ratings
Deep Fission Inc. Common Stock Competitors
Chosen by industry and closest market cap.
- FISNDeep Fission Inc. Common Stock$3.45▼ 5.48%Market cap $543.11MP/E —$3.63$19
- GFUZGeneral Fusion Group Ltd. Common Shares$6.67▼ 5.26%Market cap $580.16MP/E —$6.08$14.85
- HNRGHallador Energy Company Common Stock$11.71▼ 7.87%Market cap $698.47MP/E 32.35$11.71$24.7
- WAVEEco Wave Power Global AB (publ) American Depositary Shares$5.2▼ 2.89%Market cap $325.08MP/E —$4.52$10.87
- ELLOEllomay Capital Ltd Ordinary Shares (Israel)$21.06▼ 3.39%Market cap $279.80MP/E 4.51$17$30.34
- NNENano Nuclear Energy Inc. Common Stock$12.88▼ 5.22%Market cap $945.62MP/E —$12.73$60.87
- HDRNHadron Energy Inc. Common Stock$0.665▼ 1.04%Market cap $119.40MP/E 17.52$0.7$5.4
| Symbol | Market cap | P/E ratio | Price | 1D | 52-week range |
|---|---|---|---|---|---|
| FISN Deep Fission Inc. Common Stock | $543.11M | — | $3.45 | ▼ 5.48% | $3.63$19 |
| GFUZ General Fusion Group Ltd. Common Shares | $580.16M | — | $6.67 | ▼ 5.26% | $6.08$14.85 |
| HNRG Hallador Energy Company Common Stock | $698.47M | 32.35 | $11.71 | ▼ 7.87% | $11.71$24.7 |
| WAVE Eco Wave Power Global AB (publ) American Depositary Shares | $325.08M | — | $5.2 | ▼ 2.89% | $4.52$10.87 |
| ELLO Ellomay Capital Ltd Ordinary Shares (Israel) | $279.80M | 4.51 | $21.06 | ▼ 3.39% | $17$30.34 |
| NNE Nano Nuclear Energy Inc. Common Stock | $945.62M | — | $12.88 | ▼ 5.22% | $12.73$60.87 |
| HDRN Hadron Energy Inc. Common Stock | $119.40M | 17.52 | $0.665 | ▼ 1.04% | $0.7$5.4 |
P/E shows — for peers not currently carrying a live signal of their own.
Latest news
- Deep Fission Rejects Distortions in Short-Seller ReportYahoo · 9/26/2026
- Roth Capital Initiates Coverage On Deep Fission with Buy Rating, Announces Price Target of $18Benzinga · 9/22/2026
- Deep Fission and Youngquist Brothers Announce Collaboration on Deep, Large-Diameter Borehole Drilling for Underground Nuclear Reactor DeploymentYahoo · 9/21/2026
- Deep Fission Publishes DOE-Approved Nuclear Safety Design Agreement for Gravity™ Pilot Reactor, Demonstrating Commitment to TransparencyYahoo · 9/15/2026
Insider Activity
Insider Actions →- JANOVER BLAKE · July 23, 2026 · Grant19.0K
- Goldman Tepper Leslie · July 23, 2026 · Grant19.2K
- Angell Jonathon · July 23, 2026 · Grant17.0K
- GLANVILLE THOMAS S · July 23, 2026 · Grant19.2K
See the full, filterable feed with live charts on the MarketWall dashboard.
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
Deep Fission Announces Drilling Partnership and New Analyst Coverage
Deep Fission announced a collaboration with Youngquist Brothers on deep borehole drilling for underground nuclear reactors. Additionally, Roth Capital initiated coverage with a price target of $18. The stock is currently trading near its support level, with an average analyst target of $19.60.
Deep Fission Announces Drilling Partnership and New Analyst Coverage. Deep Fission announced a collaboration with Youngquist Brothers on deep borehole drilling for underground nuclear reactors. Additionally, Roth Capital initiated coverage with a price target of $18. The stock is currently trading near its support level, with an average analyst target of $19.60.