Over a billion in revenue, nearly five times the profit, 56 million people open the app every day. And yet Duolingo stock has fallen from a record $545 to just $107. What happened?

Numbers rise, stock falls - a classic case of the market wanting more
If someone had told you in January 2025 that Duolingo $DUOL would report over $1 billion in revenue and $414 million in net income for the year, quadruple the previous year, you probably would have expected the stock to fly up. But the reality is the opposite.
Duolingo closed out 2025 with $1.04 billion in revenue, a 39% year-over-year increase. Yet the stock has lost about 79% of its value over the past 12 months - from an all-time high of over $545,achieved in May 2025, it has plummeted to its current roughly $109.
How is this possible? The key is to understand what the market was buying during the euphoria and what it is seeing now.
Year 2025: boom, then a cold shower
In early 2025, Duolingo was one of the biggest stories in the US tech market. Viral campaigns, exponential user growth driven by AI features and optimism around the edtech sector drove valuations to astronomical heights.
Then came the turnaround. Growth in daily active users, which had reached 49% in Q1 2025 thanks to the "Dead Duo" viral campaign, slowed to 21% in Q1 2026 as 2026 approached. Analysts who had grown accustomed to hypergrowth numbers interpreted this as a signal of a slowdown and sold.
Yet the absolute numbers look different:
56.5 million daily active users in Q1 2026, up 21% year-over-year
137.8 million monthly active users
12.5 million paying subscribers
Q1 2026 revenue: $292 million
The paradox of modern markets: the company is growing 27 percent annually and analysts assign it a "Sell" rating.
"Q1 was about execution. We said we would prioritize better learning and user growth - and that's exactly what we did."
Luis von Ahn, co-founder and CEO of Duolingo
Away from revenue maximization
Behind the stock's decline is a conscious decision by management that has not yet been greeted with enthusiasm by the market. The company's management announced that 2026 will not be about maximizing short-term revenue, but about building user engagement.
What does this mean in practice? Duolingo is purposefully expanding access to AI-powered features to free users - which reduces gross margin. The original 73% gross margin from Q1 2026 is guided to drop to around 69% in the second half of the year. Investors, used to rising margins, are reading this as a warning.
Yet there is solid logic behind this decision. More free AI tutors means higher engagement, longer time on the app, and ultimately higher conversions to paid plans. But this won't translate into results in one or two quarters.
"We're moving into 2026 from a position of financial strength - healthy profitability, strong cash position, no debt and we expect to generate over $350 million of free cash flow this year."
Gillian Munson, CFO Duolingo
What analysts are saying: consensus "hold" and target prices below current levels
The analyst reactions are interesting to say the least. While back at the turn of 2024/2025 most recommendations were "buy" with target prices in the $200-$290 range, the tone today is much more cautious.
DA Davidson raised the target price to $90 from the original $85, but maintained a neutral rating. Morgan Stanley lowered the target to $95 from $100 and maintains "equal weight". Evercore ISI is targeting $97. A consensus of 23 analysts gives an average 12-month price target of $104.55 - actually about where the stock trades now.
In other words, analysts see neither much upside potential nor reason for panic selling. The situation is aptly characterized as "fairly priced" - and Morningstar subscribes to that view directly.
Another signal is worth noting: the company repurchased roughly 514,000 shares of its own stock in Q1 2026 under an authorized $400 million buyback program. So management is not selling - instead, it is buying at current prices.
Risks that the market does not exclude from the game
It would be incomplete to overlook legitimate concerns. Duolingo faces three challenges that are not easy.
Dependence on Apple and Google's distribution channels - the App Store and Google Play generate the vast majority of sales, and any change to the rules of these platforms will immediately impact results.
AI competition. ChatGPT or Google Gemini can now provide language learning without the need for a separate app. Duolingo recognizes this and is responding by transforming from a phrase translation tool to a comprehensive learning platform - Duolingo Math, an extension of its course portfolio, AI tutoring. But the transformation takes time.
The saturation of Western markets. Penetration of language apps in the US and Europe is high, new growth must come from Asia. The good news: CEO von Ahn specifically mentioned China at the last earnings call as a region where the company is making profitable performance in performance marketing.
Billion in revenue, but valuation back on the ground
Duolingo today trades at a market capitalization of about $5 billion on revenue of over a billion - that's a price-to-sales ratio of about 5x. By comparison, at the time of the $545 bubble valuation, that ratio was over 25x.
Whether that's "cheap" or "fair" depends on how one sees the medium-term story. Management's guidance for the full year 2026 calls for revenue of $1.205 billion and adjusted EBITDA of $310 million. The balance sheet is clean: $1.1 billion in cash, no debt.
A company that was just finding its way to profitability four years ago is now generating hundreds of millions in free cash flow. The market is pricing it cautiously for now - but Duolingo hasn't played this round by a long shot.