Which has the lower trailing P/E, ALGM or DUOL?

DUOL has the lower trailing P/E: ALGM trades at 559.92 and DUOL at 17.30. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ALGM or DUOL?

Over the past five years, DUOL grew revenue faster — ALGM at a 7.32% CAGR versus DUOL at 40.70%.

Is ALGM or DUOL more profitable?

DUOL runs the higher net margin — ALGM at 1.50% versus DUOL at 35.87%.

How have ALGM and DUOL total returns compared?

Over the past 5 years, ALGM delivered 4.64% and DUOL delivered -2.12% annualized total return. Past performance doesn't predict future results.

Allegro MicroSystems, Inc. (ALGM) vs Duolingo, Inc. (DUOL)

A side-by-side comparison of Allegro MicroSystems, Inc. and Duolingo, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 3, 2026. Differences are shown without an overall score or investment verdict.

ALGM

Allegro MicroSystems, Inc.

$7.36B

$39.53TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

DUOL

Duolingo, Inc.

$6.72B

$144.27TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT

Total return — ALGM vs DUOL

growth of $100 · dividends reinvested · last 5y

ALGM +56.4% (+9.4%/yr)DUOL +3.8% (+0.7%/yr)ALGM compounded faster over this window

ALGM DUOL

ALGM vs DUOL: by the numbers

•ALGM is the larger company ($7.36B vs $6.72B market cap).
•DUOL trades at the lower trailing earnings multiple (17.30 vs 559.92 P/E), one valuation lens rather than an overall verdict.
•DUOL converts more revenue to profit (35.87% vs 1.50% net margin).
•DUOL grew revenue faster over the past five years (40.70% vs 7.32% CAGR).

Metrics side by side

Valuation

Metric	ALGM	DUOL
P/E ratio	559.92	17.30
Forward P/E	N/A	52.46
P/S ratio	7.79	5.87
P/B ratio	7.64	4.77
EV / EBITDA	58.95	31.60
FCF yield	1.20%	6.03%

Profitability

Metric	ALGM	DUOL
Gross margin	47.20%	72.34%
Operating margin	6.22%	14.18%
Net margin	1.50%	35.87%
ROE	1.47%	29.14%
ROIC	4.61%	10.85%

Growth (annualized)

Metric	ALGM	DUOL
Revenue CAGR (5Y)	7.32%	40.70%
FCF CAGR (5Y)	9.70%	91.58%
Total return CAGR (5Y)	4.64%	-2.12%

Frequently asked

Which has the lower trailing P/E, ALGM or DUOL?: DUOL has the lower trailing P/E: ALGM trades at 559.92 and DUOL at 17.30. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ALGM or DUOL?: Over the past five years, DUOL grew revenue faster — ALGM at a 7.32% CAGR versus DUOL at 40.70%.
Is ALGM or DUOL more profitable?: DUOL runs the higher net margin — ALGM at 1.50% versus DUOL at 35.87%.
How have ALGM and DUOL total returns compared?: Over the past 5 years, ALGM delivered 4.64% and DUOL delivered -2.12% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ALGM analysis Full DUOL analysis Interactive comparison tool

Dig into the metrics

Allegro MicroSystems P/E ratio Duolingo P/E ratio Allegro MicroSystems ROE Duolingo ROE Allegro MicroSystems operating margin Duolingo operating margin Allegro MicroSystems revenue growth Duolingo revenue growth Allegro MicroSystems free cash flow Duolingo free cash flow

Allegro MicroSystems & Duolingo appear in these rankings

Fastest Revenue Growth Stocks Highest ROE 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 3, 2026.