Duolingo (MEX:DUOL) PEG Ratio: N/A (As of Jul. 04, 2026)


MEX:DUOL Duolingo Inc MEX:DUOL
69 GF Score
Price MXN2,196.00
GF Value MXN6,944.12
Valuation Significantly Undervalued
! 5 Warning Signs
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What is Duolingo PEG Ratio?

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Duolingo's PE Ratio without NRI is 13.85. Duolingo's 5-Year EBITDA growth rate is 0.00%. Therefore, Duolingo's PEG Ratio for today is N/A.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Duolingo's PEG Ratio or its related term are showing as below:



MEX:DUOL's PEG Ratio is not ranked *
in the Software industry.
Industry Median: 1.29
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Duolingo  (MEX:DUOL) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Duolingo PEG Ratio Related Terms


Duolingo PEG Ratio Historical Data

* Premium members only.

The historical data trend for Duolingo's PEG Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Duolingo PEG Ratio Chart

Duolingo Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial 0.00 0.00 0.00 0.00 0.00

Duolingo Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

MEX:DUOL vs PCTY, YOU, NAVN: PEG Ratio Comparison

For the Software - Application subindustry, Duolingo's PEG Ratio, along with its competitors' market caps and PEG Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Duolingo PEG Ratio vs Software Industry

For the Software industry and Technology sector, Duolingo's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Duolingo's PEG Ratio falls into.


MEX:DUOL
69GF Score
Duolingo Inc MEX:DUOL
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Duolingo PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Duolingo's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=13.852005576126/0.00
=N/A

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

Is Duolingo (MEX:DUOL) Overvalued in 2026?

Based on GuruFocus' analysis, Duolingo stock appears to be undervalued. The current stock price of MXN2,196.00 is trading 68.4% below its estimated GF Value™ of MXN6,944.12. GuruFocus considers Duolingo to be Significantly Undervalued.

Key valuation signals for MEX:DUOL:

  • PEG Ratio: N/A
  • GF Value™: MXN6,944.12 vs. price of MXN2,196.00 (68.4% below fair value)
  • GF Score™: 69/100 with 5 warning signs

No single metric tells the full story. See the MEX:DUOL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Duolingo Business Description

Other Exchanges DUOL:USADUOL34:Brazil
Address 5900 Penn Avenue, Pittsburgh, PA, USA, 15206
Duolingo Inc is a technology company that develops a mobile learning platform to learn languages. Its products are powered by sophisticated data analytics and artificial intelligence and delivered with class art, animation, and design to make it easier for learners to stay motivated, master new material, and achieve their learning goals. Its solutions include the Duolingo Language Learning App, Super Duolingo, Duolingo English Test: AI-Driven Language Assessment, Duolingo For Schools, Duolingo ABC, and Duolingo Math. It has four predominant sources of revenue: time-based subscriptions, in-app advertising placement by third parties, the Duolingo English Test, and In-App purchases. Geographically, the company generates revenue from its customers in the United States and other markets.
69GF Score

Get the complete analysis for MEX:DUOL

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN2,196.00
Price
MXN6,944.12
GF Value