Energy Recovery, Inc. (ERII) vs Richtech Robotics Inc. Class B Common Stock (RR)
A side-by-side comparison of Energy Recovery, Inc. and Richtech Robotics Inc. Class B Common Stock 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.
$7.06IndustrialsDelayed quote: Oct 6, 2026, 3:35 PM EDT
RR
Richtech Robotics Inc. Class B Common Stock
$1.68IndustrialsDelayed quote: Oct 6, 2026, 3:30 PM EDT
Total return — ERII vs RR
growth of $100 · dividends reinvested · last 3yERII -64.9% (-29.4%/yr)RR -67.2% (-31.1%/yr)ERII compounded faster over this window
ERII RR
ERII vs RR: by the numbers
- •ERII is the larger company ($364M vs $308M market cap).
- •ERII is profitable (12.75% net margin) while RR runs a net loss (-407.19%).
Metrics side by side
Valuation
| Metric | ERII | RR |
|---|---|---|
| P/E ratio | 24.99 | N/A |
| P/S ratio | 3.02 | 56.29 |
| P/B ratio | 2.11 | 0.83 |
| EV / EBITDA | 10.05 | N/A |
| FCF yield | 10.61% | N/A |
Profitability
| Metric | ERII | RR |
|---|---|---|
| Gross margin | 65.39% | 65.19% |
| Operating margin | 16.40% | -355.68% |
| Net margin | 12.75% | -407.19% |
| ROE | 8.89% | -6.03% |
| ROIC | 9.61% | -9.38% |
Growth (annualized)
| Metric | ERII | RR |
|---|---|---|
| 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 RR more profitable?
- ERII runs the higher net margin — ERII at 12.75% versus RR at -407.19%.
Go deeper
Dig into the metrics
Energy Recovery P/E ratioEnergy Recovery ROERichtech Robotics Inc. Class B Common Stock ROEEnergy Recovery operating marginRichtech Robotics Inc. Class B Common Stock operating marginEnergy Recovery revenue growthRichtech Robotics Inc. Class B Common Stock revenue growthEnergy Recovery free cash flowRichtech Robotics Inc. Class B Common Stock free cash flow
Energy Recovery & Richtech Robotics Inc. Class B Common Stock 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.