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.

Compare

Total return — ERII vs RR

growth of $100 · dividends reinvested · last 3y
ERII -64.9% (-29.4%/yr)RR -67.2% (-31.1%/yr)ERII compounded faster over this window
050100150200Start $100202420252026$35$33
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

MetricERIIRR
P/E ratio24.99N/A
P/S ratio3.0256.29
P/B ratio2.110.83
EV / EBITDA10.05N/A
FCF yield10.61%N/A

Profitability

MetricERIIRR
Gross margin65.39%65.19%
Operating margin16.40%-355.68%
Net margin12.75%-407.19%
ROE8.89%-6.03%
ROIC9.61%-9.38%

Growth (annualized)

MetricERIIRR
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%.

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.