Which has the lower trailing P/E, AMSC or PSIX?

AMSC has the lower trailing P/E: AMSC trades at 9.90 and PSIX at 15.21. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AMSC or PSIX?

Over the past five years, AMSC grew revenue faster — AMSC at a 28.57% CAGR versus PSIX at 9.42%.

Is AMSC or PSIX more profitable?

AMSC runs the higher net margin — AMSC at 42.56% versus PSIX at 10.03%.

How have AMSC and PSIX total returns compared?

Over the past 10 years, AMSC delivered 15.50% and PSIX delivered 15.10% annualized total return. Past performance doesn't predict future results.

American Superconductor Corporation (AMSC) vs Power Solutions International, Inc. (PSIX)

A side-by-side comparison of American Superconductor Corporation and Power Solutions International, 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.

AMSC

American Superconductor Corporation

$1.45B

$29.98IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

PSIX

Power Solutions International, Inc.

$1.03B

$44.87IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — AMSC vs PSIX

growth of $100 · dividends reinvested · last 10y

AMSC +326.5% (+15.6%/yr)PSIX +309.0% (+15.1%/yr)AMSC compounded faster over this window

AMSC PSIX

AMSC vs PSIX: by the numbers

•AMSC is the larger company ($1.45B vs $1.03B market cap).
•AMSC trades at the lower trailing earnings multiple (9.90 vs 15.21 P/E), one valuation lens rather than an overall verdict.
•AMSC converts more revenue to profit (42.56% vs 10.03% net margin).
•AMSC grew revenue faster over the past five years (28.57% vs 9.42% CAGR).

Metrics side by side

Valuation

Metric	AMSC	PSIX
P/E ratio	9.90	15.21
Forward P/E	34.15	15.33
P/S ratio	4.53	1.53
P/B ratio	2.54	5.09
EV / EBITDA	45.22	11.48
FCF yield	1.41%	6.49%

Profitability

Metric	AMSC	PSIX
Gross margin	28.18%	23.73%
Operating margin	6.16%	13.00%
Net margin	42.56%	10.03%
ROE	23.86%	33.41%
ROIC	3.18%	21.64%

Growth (annualized)

Metric	AMSC	PSIX
Revenue CAGR (5Y)	28.57%	9.42%
Total return CAGR (5Y)	16.27%	58.06%

Frequently asked

Which has the lower trailing P/E, AMSC or PSIX?: AMSC has the lower trailing P/E: AMSC trades at 9.90 and PSIX at 15.21. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AMSC or PSIX?: Over the past five years, AMSC grew revenue faster — AMSC at a 28.57% CAGR versus PSIX at 9.42%.
Is AMSC or PSIX more profitable?: AMSC runs the higher net margin — AMSC at 42.56% versus PSIX at 10.03%.
How have AMSC and PSIX total returns compared?: Over the past 10 years, AMSC delivered 15.50% and PSIX delivered 15.10% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AMSC analysis Full PSIX analysis Interactive comparison tool

Dig into the metrics

American Superconductor P/E ratio Power Solutions International P/E ratio American Superconductor ROE Power Solutions International ROE American Superconductor operating margin Power Solutions International operating margin American Superconductor revenue growth Power Solutions International revenue growth American Superconductor free cash flow Power Solutions International free cash flow

American Superconductor & Power Solutions International appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest FCF Yield Stocks

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.