Which has the lower trailing P/E, ASYS or TSSI?

TSSI has the lower trailing P/E: ASYS trades at 68.41 and TSSI at 17.93. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ASYS or TSSI?

Over the past five years, TSSI grew revenue faster — ASYS at a 1.46% CAGR versus TSSI at 39.76%.

Is ASYS or TSSI more profitable?

TSSI runs the higher net margin — ASYS at 4.23% versus TSSI at 7.44%.

How have ASYS and TSSI total returns compared?

Over the past 10 years, ASYS delivered 13.98% and TSSI delivered 60.62% annualized total return. Past performance doesn't predict future results.

Amtech Systems, Inc. (ASYS) vs TSS, Inc. (TSSI)

A side-by-side comparison of Amtech Systems, Inc. and TSS, 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.

ASYS

Amtech Systems, Inc.

$311M

$17.76TechnologyDelayed quote: Oct 6, 2026, 4:00 PM EDT

TSSI

TSS, Inc.

$292M

$10.39TechnologyDelayed quote: Oct 6, 2026, 4:00 PM EDT

Total return — ASYS vs TSSI

growth of $100 · dividends reinvested · last 10y

ASYS +273.0% (+14.1%/yr)TSSI +11320.5% (+60.6%/yr)TSSI compounded faster over this window

Log scale — wide-divergence pair

ASYS TSSI

ASYS vs TSSI: by the numbers

•ASYS is the larger company ($311M vs $292M market cap).
•TSSI trades at the lower trailing earnings multiple (17.93 vs 68.41 P/E), one valuation lens rather than an overall verdict.
•TSSI converts more revenue to profit (7.44% vs 4.23% net margin).
•TSSI grew revenue faster over the past five years (39.76% vs 1.46% CAGR).

Metrics side by side

Valuation

Metric	ASYS	TSSI
P/E ratio	68.41	17.93
Forward P/E	20.30	43.90
PEG ratio	N/A	0.10
P/S ratio	3.80	1.51
P/B ratio	2.69	3.63
EV / EBITDA	23.83	18.59
FCF yield	2.81%	N/A

Profitability

Metric	ASYS	TSSI
Gross margin	34.00%	16.47%
Operating margin	-35.90%	4.59%
Net margin	4.23%	7.44%
ROE	2.99%	17.90%
ROIC	2.87%	7.56%

Growth (annualized)

Metric	ASYS	TSSI
Revenue CAGR (5Y)	1.46%	39.76%
EPS CAGR (5Y)	N/A	171.61%
Total return CAGR (5Y)	9.67%	76.29%

Frequently asked

Which has the lower trailing P/E, ASYS or TSSI?: TSSI has the lower trailing P/E: ASYS trades at 68.41 and TSSI at 17.93. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ASYS or TSSI?: Over the past five years, TSSI grew revenue faster — ASYS at a 1.46% CAGR versus TSSI at 39.76%.
Is ASYS or TSSI more profitable?: TSSI runs the higher net margin — ASYS at 4.23% versus TSSI at 7.44%.
How have ASYS and TSSI total returns compared?: Over the past 10 years, ASYS delivered 13.98% and TSSI delivered 60.62% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ASYS analysis Full TSSI analysis Interactive comparison tool

Dig into the metrics

Amtech Systems P/E ratio TSS P/E ratio Amtech Systems ROE TSS ROE Amtech Systems operating margin TSS operating margin Amtech Systems revenue growth TSS revenue growth Amtech Systems free cash flow TSS free cash flow

Amtech Systems & TSS appear in these rankings

Fastest Revenue Growth Stocks Highest 10-Year Total Return 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.