Duolingo Inc logo

Duolingo Inc(DUOL)

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ADVISORIES YOU CAN VERIFY
QUALITY SIGNAL RECENCY
2-STAR RATING
WEAK BUY
BUY for 97 days
PROFIT SINCE LAST BUY
+27.55%
LAST CLOSE
$141.9
09/18/2026
(24-hour delay)

Advisory History & Simulated Performance *

*as per simulation (see disclosures)
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Upturn Advisory & Investor View for DUOL

09/18/2026: DUOL (2-star) has a low Upturn Star Rating. Not recommended to BUY.

Duolingo Inc is a prominent EdTech company best known for its mobile application that uses gamification to teach languages. Its core strengths include high user engagement, a scalable software model, and a growing repository of proprietary data used to improve its AI learning paths. The investment story centers on the company's ability to convert its vast, free user base into premium subscribers while expanding into new educational subjects like math and music. Primary risks include heavy reliance on mobile app platforms, competition from evolving AI technologies, and a high valuation that requires consistent growth. This stock is generally suited for growth-oriented investors who can tolerate volatility.

How to Read the Upturn Advisory

The Upturn Star Rating and the current BUY, SELL, or PASS advisory are generated by Upturn’s AI advisory engine based on proprietary signal analysis, price behavior, advisory history, and historical signal performance.

Company fundamentals, valuation, risks, and news provide supporting context about the business.

Investor Fit

Investor styleFitWhy
Growth investorStrong fitThe company is a high-growth, scalable platform expanding its market share in the global education technology sector.
Momentum investorStrong fit while signal remains positiveStrong user engagement metrics and product expansion frequently drive positive sentiment and price momentum.
Value investorWeak fitDuolingo often trades at a high valuation multiple consistent with growth stocks, which rarely satisfies traditional value criteria.
Dividend investorWeak fitThe company does not pay dividends and focuses all capital on reinvestment for future growth.
Low-risk investorWeak fitAs a growth stock, Duolingo exhibits higher price volatility and exposure to emerging tech-sector risks.

Risk Profile

Risk factorLevelWhy it matters
Price volatilityHighHigh growth expectations often lead to sharp price swings based on quarterly user metric releases.
Valuation riskMedium / highThe stock's premium valuation requires consistent execution to maintain its market price.
Competition risk (AI competition)Medium / highThe rise of general-purpose AI models poses a risk to the differentiation of Duolingo's proprietary learning paths.
Business qualityStrongThe company possesses high operating leverage and a sticky user base, signaling strong underlying franchise quality.
Dividend incomeLow / noneInvestors should not expect income from dividends, as the company retains all cash for growth.
Execution riskMediumThe company must successfully transition users to paid subscriptions while maintaining a high quality of service.

Price Behavior

Flat / Range-Bound
PRICE PATH

Flat / Range-Bound

The stock price has been trading within a narrow range with minimal directional movement.

Choppy
PRICE STABILITY

Choppy

The stock has experienced frequent reversals and pronounced short-term price swings.

Analysis of Past Performance

Type Stock
Historic Profit 28.03%
Avg. Invested days 40
Today’s Advisory WEAK BUY
Upturn Advisory Rating upturn star rating icon
Upturn Advisory Performance Upturn Advisory Performance icon 2.0
Stock Returns Performance Upturn Returns Performance icon 3.0
Upturn Profits based on simulation icon Profits based on simulation
Upturn last close icon Last Close 09/18/2026

Upturn Scorecard

Upturn Star Rating

DUOL receives a 4-star rating, supported by strong unit economics, solid company fundamentals, and solid analyst coverage. The rating is constrained by weak price momentum, and limited analyst upside.

Company Fundamentals

DUOL has solid overall fundamentals (4 stars), with solid financial health, strong growth momentum, and solid ownership. In FY2025 versus FY2024, strong earnings growth (+367.5%) and strong cash generation (FCF margin 35.6%) are partially offset by modest insider ownership of 1.50%.

Financial Health Rating

DUOL's financial health is supported by strong liquidity, including working-capital and asset support (WC/assets 44.4%). Operating efficiency is moderate (3 stars), which helps explain the 4-star overall score.

Growth Momentum Score

Earnings growth is DUOL's strongest growth driver at +367.5% FY2025 versus FY2024 (strong, 5 stars). Revenue growth (+38.7%, strong) and free-cash-flow growth (+35.2%, strong) are also constructive, though not equally high across every growth measure.

Ownership

Institutional ownership is 99.8% and approximately 99.3% of outstanding shares are publicly tradable, supporting liquidity and institutional participation. Insider ownership of 1.50% provides only moderate management-shareholder alignment.

Top 5 Institutional Investors

Baillie Gifford & Co Limited. 10.31%
BlackRock Inc 8.52%
Vanguard Capital Management, LLC 3.68%
Vanguard Portfolio Management, LLC 3.49%
Two Sigma Investments LLC 3.48%

Unit Economics (Per $1K Revenue)

DUOL generates approximately $717 of gross profit, $136 of operating income, and $356 of free cash flow for every $1,000 of revenue. Based on FY2025 results. Strong margins, cash conversion, and capital efficiency support the rating.

Economic Dimensions

Effective Tax Rate: -127.00% (Tax Credit)

Quantitative Style Profile

DUOL has a high-quality, liquid profile. Weak momentum is the primary drawback, while valuation that is moderately attractive rather than deeply discounted.

Style Classification

Quality Focused

Quality TiltSmall / Mid Cap RiskShort Squeeze RiskHighly Liquid / Institution-Friendly

Key Highlights

Company Size Mid-Cap Stock
Market Capitalization 6.85B USD
Price to earnings Ratio 17.51
1Y Target Price 134.29
Price to earnings Ratio 17.51
1Y Target Price 134.29
Volume (30-day avg) 1.2M shares
Beta 0.89
52 Weeks Range 87.89 - 353.00
Updated Date 09/18/2026
52 Weeks Range 87.89 - 353.00
Updated Date 09/18/2026
Dividends yield (FY) -
Basic EPS (TTM) 8.4

How Company Makes Money

Business areaWhat it includesRetail investor read
Subscription ServicesSuper Duolingo and Duolingo Max recurring memberships.This is the primary engine for recurring revenue and long-term profit margins.
AdvertisingIn-app ads shown to free users.Provides a supplemental revenue stream that leverages the massive, non-paying user base.
Duolingo English TestFees paid by students for academic certification.Acts as a distinct, high-margin revenue stream targeting the professional and academic market.

Analyzing Revenue: Products, Geography and Growth

Revenue by Products

Product revenue - Year on Year

Revenue by Geography

Geography revenue - Year on Year

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Valuation

Trailing PE 17.51
Forward PE 19.23
Enterprise Value 5.70B
Price to Sales(TTM) 5.99
Enterprise Value 5.70B
Price to Sales(TTM) 5.99
Enterprise Value to Revenue 4.98
Enterprise Value to EBITDA 33
Shares Outstanding 40.24M
Shares Floating 39.96M
Shares Outstanding 40.24M
Shares Floating 39.96M
Percent Insiders 1.5
Percent Institutions 99.84

Icon representing Upturn AI-generated SWOT analysis summary Upturn AI Summary

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Financial Metrics

🧭 Investment Snapshot

Total Revenue (Scale)

Information icon Total money earned from selling products or services before any costs. It is needed to understand the scale of the business and its ability to generate income.

Net Income (Profit)

Information icon Final profit after all expenses, interest, and taxes are deducted. It is needed to determine the overall profitability available to shareholders.

Free Cash Flow (Cash Strength)

Information icon Cash remaining after operating activities and capital expenditures, showing cash available for growth. It is needed to evaluate the company’s ability to invest, pay dividends, or reduce debt.

📈 Growth & Strength

Operating Income (Core Profit)

Information icon Profit from core operations after deducting all operating expenses. It is needed to measure how efficiently the company runs its primary business activities.

EBITDA (Cash Earnings)

Information icon Earnings before interest, taxes, depreciation, and amortization, indicating operating cash potential. It is needed to compare operating performance across companies without accounting or financing differences.

Gross Profit (Unit Profitability)

Information icon Revenue minus cost of revenue, showing profit after direct production costs. It is needed to evaluate core business profitability before overhead expenses.

🛡️ Financial Safety

Cash (Liquidity Buffer)

Information icon Total cash and cash equivalents on hand. It is needed to evaluate immediate liquidity and financial flexibility.

Total Debt (Leverage Risk)

Information icon Total debt including both short-term and long-term components. It is needed to assess the company’s leverage and financial risk.

Net Working Capital (Short-Term Health)

Information icon Current assets minus current liabilities, indicating short-term liquidity strength. It is needed to assess whether the company can meet its short-term obligations.

🧱 Balance Sheet Strength

Stockholder Equity (Net Worth)

Information icon Total equity value held by shareholders. It is needed to understand the net worth of the company from the owners’ perspective.

Total Assets (Asset Base)

Information icon The full value of everything the company owns, including cash, inventory, equipment, and investments. It is needed to understand the resource base used to generate revenue.

Income Before Tax (Pre-Tax Earnings)

Information icon Income before provision for income taxes. It is needed to analyze profitability independent of tax structures.

⚙️ Cost & Drag Factors

Cost of Revenue (Production Cost)

Information icon Direct costs required to produce and deliver the products or services sold. It is needed to assess efficiency in production and service delivery.

Total Operating Expenses (Operating Cost)

Information icon Indirect costs of running the business such as salaries, marketing, and administration. It is needed to understand how much it costs to sustain ongoing business operations.

Income Tax Expense (Tax Drag)

Information icon Amount of taxes paid or payable to the government. It is needed to evaluate the impact of taxation on overall profitability.

About Duolingo Inc

Exchange NASDAQ
Headquarters Pittsburgh, PA, United States
IPO Launch date 2021-07-28
Co-Founder, Chairman of the Board, President & CEO Dr. Luis Alfonso von Ahn Arellano Ph.D.
Sector Technology
Industry Software - Application
Full time employees 900
Full time employees 900

Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally. The company offers 250 language courses, including Spanish, English, French, German, Italian, Portuguese, Japanese, and Chinese through its Duolingo app. It also provides a digital English language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.