Buy Recommendation: March 20, 2026 [PREMIUM]

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Duolingo, Inc. (NASDAQ: DUOL)

Action: Buy

Date: March 20, 2026

Buy Price: $98.05

Investment Thesis

Duolingo is the world's leading mobile learning platform, best known for gamified language courses, but increasingly a broader education app expanding into subjects like math, music, and now chess. What makes it matter long-term is its potential to evolve into the dominant superhuman AI tutor platform over the next decade — delivering personalized, engaging, and effective learning at scale to hundreds of millions worldwide.

We believe AI will be a powerful tailwind for Duolingo, not the headwind the market currently fears. The company is already leveraging AI to accelerate content creation (generating lessons far faster than before), personalize experiences, and improve outcomes — positioning it to outpace traditional education tools and competitors as AI transforms how people learn. Recent market concerns about AI disruption have contributed to an overdone sell-off in the stock, which we see as a classic opportunity to own a high-quality compounder during pessimism.

The pullback has been sharp — DUOL closed at $98.05 on March 20, down significantly from 2025 highs of ~$540/share and reflecting broader risk-off sentiment plus specific worries around growth moderation. But fundamentals remain strong: Q4 2025 earnings (reported February 26, 2026) showed revenue of $282.9 million (+35% YoY, beat estimates), surpassing $1 billion in annual bookings for the first time, and DAUs reaching 52.7 million in the quarter (over 50 million by year-end). Management is prioritizing user growth and product innovation over near-term monetization, which has pressured guidance and sentiment — but we view this as the right strategic choice at this pivotal moment.

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Why We Like the Business

Duolingo's moat comes from its massive, engaged user base (over 50 million DAUs), gamified design that drives habit formation and retention, and a powerful data moat that the company can leverage to make everything more personalized and tailored to the user. This flywheel of learner data improves AI-driven personalization, content recommendations, and adaptive lessons — creating high switching costs as users build streaks and progress, while network effects grow as more learners join and share experiences.

CEO Luis von Ahn has an exceptional track record: co-creator of CAPTCHA and reCAPTCHA (sold to Google), he built Duolingo from a mission-driven startup into a global leader with disciplined execution. His vision prioritizes long-term impact (universal access to quality education) over short-term financial gains, and right now — at this pivotal moment — that focus on user growth and AI integration is exactly what's needed to capture the next wave of expansion.

The recent $400 million share repurchase authorization (announced with Q4 results) signals strong management confidence in the undervalued opportunity and commitment to shareholders while investing in growth.

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Growth Drivers

AI is supercharging Duolingo's ability to scale content and personalization — enabling faster course development (e.g., new subjects in months instead of years) and better learner outcomes. The chess course, launched in 2025 and expanded in 2026, became the fastest-growing subject ever, developed rapidly thanks to AI tools that helped prototype and build 55+ hours of content quickly. This shows how AI accelerates non-language expansion (math, music, chess) to deepen engagement and broaden the audience.

Management's deliberate push for user growth — improving the free experience to fuel word-of-mouth and feed new engines like chess — sets up a path to 100 million DAUs in the medium term. As AI tailwinds accelerate (better tutoring, adaptive lessons, superhuman personalization), Duolingo can become the go-to platform for lifelong learning, driving higher lifetime value and subscription conversion over time.

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Key Risks

Short-term monetization may lag as the company prioritizes user growth, potentially pressuring revenue and margins in 2026 if conversion slows or competition intensifies. AI disruption fears could persist if the market worries about free AI tutors eroding paid value — though we see Duolingo's data moat and gamification as protective advantages.

Regulatory or competitive risks in education/tech exist, along with broader market cycles and geopolitical sentiment that can amplify volatility. Execution on new subjects and AI features carries some risk if adoption doesn't accelerate as hoped.

Many of these concerns appear reflected in the current depressed valuation, and the company's cash position, profitability trajectory, and buyback provide a buffer.

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Bottom Line

Duolingo's recent decline feels overdone to us — driven by macro noise, AI fears, and a short-term focus on growth over monetization that the market dislikes — but we believe this is the right strategy. Prioritizing users now positions the company to become the dominant superhuman AI tutor platform in the next decade, with AI as a clear tailwind accelerating content velocity (as seen in the rapid chess rollout) and personalization.

At a forward P/E of approximately 13.07 (extremely low for a company with such high growth potential and a path to much larger scale), the valuation is compelling. The $400 million buyback further underscores confidence from Luis von Ahn and the team.

We are adding Duolingo, Inc. (NASDAQ: DUOL) to the Dream Picks portfolio. We plan to hold through volatility as it builds toward massive user scale and AI-powered education dominance. If shares weaken further on continued pessimism, we would look to add as the long-term investment thesis remains intact.

This article was written by The Wall Street Dream. AI tools were used to assist with editing and polishing, but all ideas and opinions are entirely our own.

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Disclaimer

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