Sometimes the best opportunities in the market are the ones you watch for a long time before finally pulling the trigger.
Over the past year, I’ve been watching Duolingo (NASDAQ: DUOL) closely as the stock fell from over $500 per share to under $100.
During that entire decline I kept asking myself the same question: at what price does this become too interesting to ignore?
After digging deeper into the business and the recent selloff, I believe that level may be right around where the stock is trading today.
At roughly $95 per share, Duolingo has become one of the most hated growth stocks on Wall Street. The narrative around the company has shifted dramatically after softer guidance and concerns about slowing growth. But when you actually step back and look at the underlying business, Duolingo still appears to be one of the most successful consumer internet platforms built in the past decade.
For that reason, I believe Duolingo under $100 could represent a compelling entry point for patient investors willing to hold the stock over the medium to long term.
The Most Successful Education App in the World
Duolingo has built the largest language learning platform on the planet by rethinking how education products should work on mobile.
Instead of replicating traditional classroom learning, Duolingo turned language education into something that feels closer to a game. Lessons are short and interactive. Users build streaks by completing daily exercises. Progression systems, leaderboards and rewards create a powerful habit loop that keeps people coming back.
This approach has proven extremely effective.
As of late 2025, the platform had roughly 133 million monthly active users and more than 52 million daily active users, making it by far the most widely used language learning app in the world.
The company operates a freemium model that allows anyone to start learning for free. The free tier is supported by advertising and serves as a funnel that introduces millions of users to the platform each year. From there, a portion of users upgrade to paid subscriptions that unlock additional features.
These premium offerings include Duolingo Super, which removes ads and provides unlimited learning attempts, and Duolingo Max, which introduces AI-powered learning features such as conversational practice and more advanced feedback.
Subscriptions now account for the majority of the company’s revenue and form the economic engine of the business.
A Remarkable Growth Story
Behind the scenes, Duolingo has quietly built one of the fastest-growing consumer software platforms in the market.
Revenue growth over the past five years has been extraordinary.
| Year | Revenue |
|---|---|
| 2021 | $251M |
| 2022 | $369M |
| 2023 | $531M |
| 2024 | $748M |
| 2025 | $1.04B |
That represents close to 40 percent annual growth over the past several years, which is exceptional for a consumer platform operating at this scale.
What makes the story even more interesting is that Duolingo has also achieved strong profitability. The company now generates gross margins of roughly seventy percent and EBITDA margins approaching thirty percent. Free cash flow last year was approximately $360 million, giving the company one of the healthiest financial profiles in the education technology sector.
Duolingo also maintains a very strong balance sheet with roughly $880 million in cash and no debt, giving management considerable flexibility to reinvest in growth.
In other words, this is no longer an early-stage startup. Duolingo has evolved into a high-margin, cash-generating software platform with a massive global user base.
Why the Stock Collapsed
Despite those fundamentals, the stock has been crushed over the past year.
The selloff began after management issued more conservative guidance for 2026. Instead of continuing to grow revenue at thirty percent or more, the company projected growth in the mid-teens as it shifts focus toward expanding the user base.
This shift in strategy is intentional.
Management has made it clear that their primary goal right now is to grow the total number of users on the platform rather than maximizing short-term monetization. That means reinvesting heavily in product development, new subjects, and expanding access to free users.
The company has also made product adjustments that temporarily reduce monetization. Certain premium features previously exclusive to higher-tier subscriptions are being introduced to broader user groups in order to drive engagement and long-term retention.
Finally, the rise of artificial intelligence has created fear among investors that AI tools could replace language learning apps altogether.
However, that narrative may be overly simplistic.
Duolingo is actually one of the companies most aggressively integrating AI into its product. Artificial intelligence enables the company to generate new courses faster, personalize lessons for individual learners, and introduce interactive tutoring experiences that were not possible before.
Rather than weakening Duolingo’s business model, AI may ultimately strengthen it.
When Wall Street Hates a Stock
Right now Duolingo is one of the most disliked growth stocks on Wall Street.
Sentiment around the company has completely flipped. A stock that investors once chased above $500 is now being treated as if its growth story is permanently broken.
This kind of sentiment shift often creates opportunity.
As investors, the goal is not to buy what everyone already loves. The goal is to identify situations where the market may be mispricing a business because short-term concerns are overshadowing the long-term fundamentals.
Those situations can create asymmetric opportunities, where the downside risk may already be reflected in the stock price while the upside remains underappreciated.
Duolingo may not be a perfect business, but the current narrative suggests the market is pricing in outcomes that appear far worse than what the company’s fundamentals indicate.
The Long-Term Opportunity
The broader education technology market represents a massive opportunity. Global spending on education technology is estimated to exceed $200 billion, and language learning alone represents a multi-billion-dollar market.
But Duolingo is no longer limiting itself to language learning.
The company has already begun expanding into new areas such as mathematics and music education, with the goal of building a broader learning platform that can serve hundreds of millions of users worldwide.
Management has publicly stated an ambitious target of reaching 100 million daily active users by 2028. If the company succeeds in approaching that scale, the monetization potential becomes dramatically larger.
At that point Duolingo would not simply be a language learning app. It would be one of the largest consumer education platforms ever built.
A Powerful Platform Advantage
One of the company’s most important competitive advantages is the data generated by its massive user base.
Every day tens of millions of people complete lessons on the platform. That constant stream of data allows Duolingo to refine lesson structures, improve engagement systems, and personalize the learning experience for each user.
Over time this creates a powerful data flywheel where the product continuously improves as more users engage with it.
The result is a platform that becomes increasingly difficult for competitors to replicate.
This dynamic is similar to what has happened with other habit-forming consumer platforms such as Spotify or Roblox. Once users build routines around these products, engagement becomes extremely sticky.
Valuation Looks Very Different Today
The collapse in the share price has dramatically changed the company’s valuation.
At current levels Duolingo trades at roughly four times revenue and generates an estimated eight percent free cash flow yield.
For a profitable software platform that previously grew revenue close to forty percent annually, that valuation is significantly more reasonable than it was when the stock was trading several hundred dollars higher.
If Duolingo can return to sustained growth of twenty percent or more while maintaining its strong margins, the current price could look extremely attractive in hindsight.
My Take
Markets frequently overreact to short-term changes in guidance, particularly with high-growth companies.
That appears to be happening with Duolingo.
The company still possesses the characteristics that originally made it such a compelling business. It has a massive and growing user base, strong engagement, high margins, meaningful free cash flow, and a dominant position in its category.
Yet the stock is now trading at a fraction of its previous valuation.
For that reason, I believe Duolingo under $100 represents an intriguing opportunity for investors willing to think beyond the next few quarters.
It may not be a short-term trade.
But if the company continues executing on its long-term strategy, it has the potential to become a multi-year compounder from these levels.
DISCLOSURE
The author did not receive any compensation for publishing this article. The author holds a position in Duolingo and may choose to buy or sell shares of the company at any time without notice. While reasonable efforts have been made to ensure the accuracy and reliability of the information provided, readers are encouraged to conduct their own research and seek independent financial advice before making any investment decisions related to the companies discussed.
