Duolingo (DUOL) has moved into focus after the stock fell 6.86% in a session where the broader market advanced, just weeks before its August 5, 2026 earnings release.

At a share price of $119.51, Duolingo’s recent 1 day share price return of 4.17% and 7 day return of 8.92% extend a short term pullback. The 90 day share price return of 19.16% contrasts with a year to date decline of 32.28% and a 1 year total shareholder return that is down 66.78%, suggesting momentum has faded after earlier strength.

If Duolingo’s recent swings have you thinking about where growth could come from next, this is a good moment to broaden your watchlist with 64 profitable AI stocks that aren't just burning cash.

For Duolingo, a sharp one day drop after strong longer term gains could point to doubts about the app’s earnings power, or simply a swing in sentiment ahead of results. This makes the current valuation worth a closer look.

Most Popular Narrative: 4.4% Overvalued

Duolingo last closed at $119.51 against a narrative fair value of $114.49, so the current price sits slightly above that narrative anchor, which is built around strong recent profitability.

Running it through the numbers, The quick ratio sits at ~2.0x with $1.1 billion cash on hand and minimal debt, this company is not going anywhere. The long-term PEG ratio normalises to around 1.1x by 2027–28 estimates, well below the 2.0 threshold that signals reasonable growth-adjusted value.

Want to see why a company with rising margins, high returns on equity and a growth style PEG assumption ends up with this fair value call? The clues sit in how profitability, reinvestment and cash generation are stitched together across the forecast period. The full narrative lays out the logic step by step.

Result: Fair Value of $114.49 (OVERVALUED)

However, Duolingo’s earnings dip and rising AI competition could still pressure user growth assumptions and compress the currently supportive P/E narrative.

Another View: Duolingo Through the SWS DCF Lens

While the user narrative pegs Duolingo as 4.4% overvalued at $119.51 versus a fair value of $114.49, the SWS DCF model points in a very different direction. On that cash flow view, Duolingo trades at a 53.8% discount to an estimated fair value of $258.64, which is a wide gap for investors to weigh.

For a closer look at how that long term cash flow view is built, including the assumptions that drive the gap to today’s share price, Look into how the SWS DCF model arrives at its fair value.

Here is how that DCF output lines up visually against Duolingo’s current market price, so you can judge for yourself how much weight to give this valuation anchor relative to the earnings based narrative you have just seen.

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Duolingo for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 47 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With Duolingo throwing off mixed signals and sentiment split between risk and reward, this is a moment to act quickly and test the story against your own research using 2 key rewards and 2 important warning signs

Looking for more investment ideas beyond Duolingo?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.