Which has grown faster, DUOL or WULF?

Over the past five years, WULF grew revenue faster — DUOL at a 40.70% CAGR versus WULF at 73.75%.

Is DUOL or WULF more profitable?

DUOL runs the higher net margin — DUOL at 35.87% versus WULF at -1179.94%.

How have DUOL and WULF total returns compared?

Over the past 5 years, DUOL delivered 2.97% and WULF delivered 4.83% annualized total return. Past performance doesn't predict future results.

Duolingo, Inc. (DUOL) vs TeraWulf Inc. (WULF)

A side-by-side comparison of Duolingo, Inc. and TeraWulf Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 20, 2026. Differences are shown without an overall score or investment verdict.

DUOL

Duolingo, Inc.

$6.80B

$146.03TechnologyAt close: Aug 19, 2026, 4:00 PM ET

WULF

TeraWulf Inc.

$7.68B

$15.50TechnologyAt close: Aug 19, 2026, 4:00 PM ET

Total return — DUOL vs WULF

growth of $100 · dividends reinvested · last 5y

DUOL +5.0% (+1.0%/yr)WULF -2.9% (-0.6%/yr)DUOL compounded faster over this window

DUOL WULF

DUOL vs WULF: by the numbers

•WULF is the larger company ($7.68B vs $6.80B market cap).
•DUOL is profitable (35.87% net margin) while WULF runs a net loss (-1179.94%).
•WULF grew revenue faster over the past five years (73.75% vs 40.70% CAGR).

Metrics side by side

Valuation

Metric	DUOL	WULF
P/E ratio	17.51	N/A
Forward P/E	51.71	N/A
P/S ratio	6.38	45.58
P/B ratio	5.18	51.12
EV / EBITDA	34.87	N/A
FCF yield	7.65%	N/A

Profitability

Metric	DUOL	WULF
Gross margin	72.34%	56.40%
Operating margin	14.18%	-101.10%
Net margin	35.87%	-1179.94%
ROE	29.14%	-1323.42%
ROIC	10.85%	-6.87%

Growth (annualized)

Metric	DUOL	WULF
Revenue CAGR (5Y)	40.70%	73.75%
EPS CAGR (5Y)	N/A	-27.04%
FCF CAGR (5Y)	91.58%	-2.15%
Total return CAGR (5Y)	2.97%	-3.43%

Frequently asked

Which has grown faster, DUOL or WULF?: Over the past five years, WULF grew revenue faster — DUOL at a 40.70% CAGR versus WULF at 73.75%.
Is DUOL or WULF more profitable?: DUOL runs the higher net margin — DUOL at 35.87% versus WULF at -1179.94%.
How have DUOL and WULF total returns compared?: Over the past 5 years, DUOL delivered 2.97% and WULF delivered 4.83% annualized total return. Past performance doesn't predict future results.

Go deeper

Full DUOL analysis Full WULF analysis Interactive comparison tool

Dig into the metrics

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

Duolingo & TeraWulf 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 August 20, 2026.