Energy Recovery, Inc. (ERII) vs Deep Fission, Inc. (FISN)
A side-by-side comparison of Energy Recovery, Inc. and Deep Fission, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
ERII
Energy Recovery, Inc.
$7.02IndustrialsDelayed quote: Oct 6, 2026, 10:15 AM EDT
FISN
Deep Fission, Inc.
$5.57IndustrialsDelayed quote: Oct 6, 2026, 10:14 AM EDT
Total return — ERII vs FISN
growth of $100 · dividends reinvested · last 1yERII -22.0% (-22.0%/yr)FISN -63.0% (-63.0%/yr)ERII compounded faster over this window
ERII FISN
ERII vs FISN: by the numbers
- •ERII is the larger company ($362M vs $336M market cap).
- •ERII is profitable (12.75% net margin) while FISN runs a net loss (0.00%).
Metrics side by side
Valuation
| Metric | ERII | FISN |
|---|---|---|
| P/E ratio | 24.84 | N/A |
| P/S ratio | 3.01 | N/A |
| P/B ratio | 2.10 | 3.40 |
| EV / EBITDA | 9.98 | N/A |
| FCF yield | 10.67% | N/A |
Profitability
| Metric | ERII | FISN |
|---|---|---|
| Gross margin | 65.39% | 0.00% |
| Operating margin | 16.40% | 0.00% |
| Net margin | 12.75% | 0.00% |
| ROE | 8.89% | -107.56% |
| ROIC | 9.61% | -72.19% |
Growth (annualized)
| Metric | ERII | FISN |
|---|---|---|
| Revenue CAGR (5Y) | 3.08% | N/A |
| EPS CAGR (5Y) | -1.76% | N/A |
| FCF CAGR (5Y) | 10.08% | N/A |
| Total return CAGR (5Y) | -18.87% | N/A |
Frequently asked
- Is ERII or FISN more profitable?
- ERII runs the higher net margin — ERII at 12.75% versus FISN at 0.00%.
Go deeper
Dig into the metrics
Energy Recovery P/E ratioEnergy Recovery ROEDeep Fission ROEEnergy Recovery operating marginDeep Fission operating marginEnergy Recovery revenue growthDeep Fission revenue growthEnergy Recovery free cash flowDeep Fission free cash flow
Energy Recovery & Deep Fission appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.