Deep Fission, Inc (FISN) Stock Analysis
Verdict: AVOID
Pre-revenue SMR pioneer faces severe cash burn and post-IPO dilution despite DOE backing, making equity value highly speculative.
Investment score: 24/100
Analysis as of
Is Deep Fission, Inc stock worth reviewing? The TradeMates thesis
The TradeMates model classifies FISN as AVOID due to zero current revenue, accelerating quarterly cash burn (-$28.4M FCF in Q2 2026), and severe post-IPO price momentum (-87.2% from 52-week high).
7-factor investment score
- Valuation: 20/100 (weight 20%)
- Financial Health: 35/100 (weight 15%)
- Technical Momentum: 10/100 (weight 15%)
- Earnings Quality: 15/100 (weight 15%)
- Insider Sentiment: 30/100 (weight 10%)
- Analyst Consensus: 55/100 (weight 10%)
- Risk-Adjusted Return: 15/100 (weight 15%)
Deep Fission, Inc opportunities and risks
What speaks for FISN
- DOE Authorization and Pilot Validation
What speaks against FISN
- Pre-Revenue Cash Burn and Impending Dilution
Peers and competitors
| Ticker | P/E | P/S | EV/EBITDA | Gross margin | Net margin | FCF yield |
|---|---|---|---|---|---|---|
| FISN | n/a | 0.0x | n/a | 0.0% | 0.0% | -34.5% |
| VST | 23.3x | 2.4x | 10.1x | 38.0% | 11.6% | 2.9% |
| TLN | n/a | 4.4x | 34.5x | 44.6% | -5.2% | 3.3% |
| AES | 5.7x | 0.8x | 10.4x | 20.3% | 14.6% | -16.1% |
| HNRG | 322.5x | 1.2x | 9.0x | -7.1% | -0.2% | -9.6% |
| MTEI | n/a | 0.0x | 0.1x | 0.0% | 0.0% | -1822.9% |
| Peer median | 5.7x | 1.2x | 10.1x | 20.3% | 0.0% | -9.6% |
Frequently asked questions about Deep Fission, Inc (FISN)
Is FISN stock a good investment?
The TradeMates model rates Deep Fission, Inc as AVOID with an investment score of 24/100. The TradeMates model classifies FISN as AVOID due to zero current revenue, accelerating quarterly cash burn (-$28.4M FCF in Q2 2026), and severe post-IPO price momentum (-87.2% from 52-week high). This is algorithmic model output, not personal investment advice.
Is FISN stock a buy?
The TradeMates model verdict for FISN is AVOID with an investment score of 24/100. Treat this as a model signal to review, not a personal buy recommendation.