What is DUOL's Value Score?

Duolingo, Inc. - Class A Common Stock (DUOL) has a StockPik Value Score of 89 out of 100 — a high score, indicating strong value characteristics across multiple metrics. The Value Score is a composite ranking built from P/E ratio, P/B ratio, Graham Number, ROE, gross margin, debt-to-equity, current ratio, and Piotroski F-Score, calculated from SEC EDGAR annual filing data.

What is DUOL's Piotroski F-Score?

Duolingo, Inc. - Class A Common Stock (DUOL) has a Piotroski F-Score of 3 out of 9 — a weak score indicating financial deterioration across multiple criteria. The F-Score assesses nine binary financial criteria across profitability, leverage, and operating efficiency. A score of 7–9 indicates a financially improving company; a score of 0–3 is a warning sign.

Is DUOL trading below its Graham Number?

DUOL is currently trading above its Graham Number. The stock price of $98.11 exceeds the Graham Number of $85.23, meaning it does not meet Graham's criterion for a margin of safety at the current price. The Graham Number is calculated as √(22.5 × EPS × Book Value Per Share) and represents Benjamin Graham's ceiling price for a defensive investor.

What is DUOL's Graham Number?

DUOL's Graham Number is $85.23, calculated using the Benjamin Graham formula √(22.5 × EPS × Book Value per Share). The Graham Number is an estimate of intrinsic value — the maximum price a defensive investor should pay. At the current price of $98.11, DUOL is trading 15% above its Graham Number.

What is DUOL's Piotroski F-Score?

DUOL's Piotroski F-Score is 3 out of 9, indicating weak financial health and possible deterioration. The Piotroski F-Score evaluates nine criteria across profitability, leverage, and operating efficiency. Scores of 7 or above are considered strong; 3 or below indicate financial weakness.

Is DUOL (Duolingo, Inc. - Class A Common Stock) undervalued?

DUOL scores 89/100 on StockPik's Value Score, placing it in undervalued territory. The stock trades 15% above its Graham Number of $85.23.

What is DUOL's P/E ratio?

DUOL's trailing P/E ratio is 10.1x — a low earnings multiple, suggesting the stock may be undervalued relative to its earnings. The Technology sector average P/E is 30.4x. Compare against other Technology stocks in the StockPik screener.

What sector is Duolingo, Inc. - Class A Common Stock (DUOL) in?

Duolingo, Inc. - Class A Common Stock (DUOL) is in the Technology sector, specifically in the Services-Prepackaged Software industry. Compare it against other Technology stocks by Value Score, P/E ratio, and Piotroski F-Score on StockPik.

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Duolingo, Inc. - Class A Common Stock (DUOL)

NASDAQ Mid Cap

Technology › Services-Prepackaged Software

$98.11

Market Cap: $4.0B

Data as of Sep 30, 2025 (TTM)

Price History

Feb 9, 2026 — Mar 27, 2026

Investment Snapshot

Trading 15% above Graham Number — above intrinsic value estimate
Piotroski F-Score 3/9 — signs of financial weakness
Strong ROE of 29.4% with 41.7% net margin
Revenue growing at 39% annually

Duolingo, Inc. - Class A Common Stock (DUOL) is a Technology company operating in Services-Prepackaged Software, listed on the NASDAQ , with a market capitalisation of $4.0 billion . Key value metrics: P/E ratio 10.1, P/B ratio 2.96, Piotroski F-Score 3 out of 9 .

Value Score

out of 100

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Key Metrics

P/E Ratio

10.08

P/B Ratio

2.96

EPS

$9.74

Div. Yield

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PEG Ratio

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P/S Ratio

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EV/EBITDA

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ROE

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ROA

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Gross Margin

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Op. Margin

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Net Margin

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Debt/Equity

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Current Ratio

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Current vs 5-Year Average

Based on 5 years of SEC filings

Net Margin

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↑ +2.1pp avg —

Gross Margin

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↑ +2.1pp avg —

Operating Margin

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↑ +2.1pp avg —

Return on Equity

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↑ +2.1pp avg —

Debt / Equity

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↑ +2.1pp avg —

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Revenue & Net Income

Profit Margins

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EPS & Free Cash Flow Per Share

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Financial Statements

Metric	FY22	FY23	FY24
Revenue	$X.XB	$X.XB	$X.XB
Gross Profit	$X.XB	$X.XB	$X.XB
Operating Income	$X.XB	$X.XB	$X.XB
Net Income	$X.XB	$X.XB	$X.XB
EBITDA	$X.XB	$X.XB	$X.XB
Total Assets	$X.XB	$X.XB	$X.XB
Total Liabilities	$X.XB	$X.XB	$X.XB

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Data sourced from SEC EDGAR and Polygon.io. Methodology. View more Technology stocks →

Duolingo, Inc. - Class A Common Stock — Fundamental Analysis Summary

Duolingo, Inc. - Class A Common Stock (DUOL) is currently trading 15% above its Graham Number of $85.23, suggesting the market price exceeds Benjamin Graham's intrinsic value estimate. The stock carries a low trailing P/E ratio of 10.1x.

On financial health, DUOL shows a weak Piotroski F-Score of 3/9, a signal of deteriorating financial health, and strong return on equity of 29.4% (sector average: -3.1%), and manageable leverage with a debt-to-equity ratio of 0.48.

StockPik's composite Value Score for DUOL is 89/100 — placing it in undervalued territory. The score is built from ten fundamental signals: P/E, P/B, PEG ratio, P/S ratio, return on equity, gross margin, debt-to-equity, current ratio, dividend yield, and Piotroski F-Score.

DUOL reports a high gross margin of 72.2% (sector average: 41.3%) and a solid operating margin of 11.2%.

DUOL shows revenue growing at 39% year-over-year, with earnings growing at 367%.

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How is the Value Score calculated?

Read our full methodology →

How is the Graham Number calculated?

Benjamin Graham's intrinsic value formula, worked examples, and how to use it →

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