Ampco-Pittsburgh Corp. (AP) vs Byrna Technologies Inc. (BYRN)
A side-by-side comparison of Ampco-Pittsburgh Corp. and Byrna Technologies Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.
AP
Ampco-Pittsburgh Corp.
$8.67IndustrialsDelayed quote: Sep 24, 2026, 4:00 PM EDT
BYRN
Byrna Technologies Inc.
$3.62IndustrialsDelayed quote: Sep 24, 2026, 4:00 PM EDT
Total return — AP vs BYRN
growth of $100 · dividends reinvested · last 10yAP -27.6% (-3.2%/yr)BYRN +81.0% (+6.1%/yr)BYRN compounded faster over this window
AP BYRN
AP vs BYRN: by the numbers
- •AP is the larger company ($176M vs $82M market cap).
- •Both run net losses; BYRN's is the smaller (-3.39% vs -13.84% net margin).
- •BYRN grew revenue faster over the past five years (23.75% vs 4.60% CAGR).
Metrics side by side
Valuation
| Metric | AP | BYRN |
|---|---|---|
| P/S ratio | 0.41 | 0.75 |
| P/B ratio | 5.66 | 1.44 |
| EV / EBITDA | 10.77 | N/A |
| FCF yield | N/A | 2.73% |
Profitability
| Metric | AP | BYRN |
|---|---|---|
| Gross margin | 15.15% | 52.51% |
| Operating margin | 2.08% | 10.02% |
| Net margin | -13.84% | -3.39% |
| ROE | -190.42% | -6.47% |
| ROIC | 2.41% | -8.18% |
Growth (annualized)
| Metric | AP | BYRN |
|---|---|---|
| Revenue CAGR (5Y) | 4.60% | 23.75% |
| Total return CAGR (5Y) | 12.30% | -33.34% |
Frequently asked
- Which has grown faster, AP or BYRN?
- Over the past five years, BYRN grew revenue faster — AP at a 4.60% CAGR versus BYRN at 23.75%.
- How have AP and BYRN total returns compared?
- Over the past 10 years, AP delivered -2.47% and BYRN delivered 6.11% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Ampco-Pittsburgh ROEByrna Technologies ROEAmpco-Pittsburgh operating marginByrna Technologies operating marginAmpco-Pittsburgh revenue growthByrna Technologies revenue growthAmpco-Pittsburgh free cash flowByrna Technologies free cash flow
Ampco-Pittsburgh & Byrna Technologies 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 September 13, 2026.