ClearSign Technologies Corporation (CLIR) vs Castor Maritime Inc. (CTRM)
A side-by-side comparison of ClearSign Technologies Corporation and Castor Maritime 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.
CLIR
ClearSign Technologies Corporation
$3.30IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT
CTRM
Castor Maritime Inc.
$1.97IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT
Total return — CLIR vs CTRM
growth of $100 · dividends reinvested · last 8yCLIR -71.1% (-14.4%/yr)CTRM -99.0% (-43.9%/yr)CLIR compounded faster over this window
Log scale — wide-divergence pair
CLIR CTRM
CLIR vs CTRM: by the numbers
- •CLIR is the larger company ($21M vs $19M market cap).
- •CTRM is profitable (109.09% net margin) while CLIR runs a net loss (-96.07%).
- •CLIR grew revenue faster over the past five years (71.93% vs 20.25% CAGR).
Metrics side by side
Valuation
| Metric | CLIR | CTRM |
|---|---|---|
| P/E ratio | N/A | 1.29 |
| P/S ratio | 3.82 | 0.21 |
| P/B ratio | 2.12 | 0.03 |
| EV / EBITDA | N/A | 2.82 |
Profitability
| Metric | CLIR | CTRM |
|---|---|---|
| Gross margin | 27.21% | 29.97% |
| Operating margin | -108.68% | -0.11% |
| Net margin | -96.07% | 109.09% |
| ROE | -53.25% | 17.00% |
| ROIC | -60.14% | 1.12% |
Growth (annualized)
| Metric | CLIR | CTRM |
|---|---|---|
| Revenue CAGR (5Y) | 71.93% | 20.25% |
| Total return CAGR (5Y) | -29.91% | -26.69% |
Frequently asked
- Which has grown faster, CLIR or CTRM?
- Over the past five years, CLIR grew revenue faster — CLIR at a 71.93% CAGR versus CTRM at 20.25%.
- Is CLIR or CTRM more profitable?
- CTRM runs the higher net margin — CLIR at -96.07% versus CTRM at 109.09%.
- How have CLIR and CTRM total returns compared?
- Over the past 5 years, CLIR delivered -29.91% and CTRM delivered -26.69% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Castor Maritime P/E ratioClearSign Technologies ROECastor Maritime ROEClearSign Technologies operating marginCastor Maritime operating marginClearSign Technologies revenue growthCastor Maritime revenue growthClearSign Technologies free cash flowCastor Maritime free cash flow
ClearSign Technologies & Castor Maritime 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.