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Duolingo (DUOL, Education Services) Stock Valuation & Fair Value Significantly overvalued

Duolingo (DUOL, Education Services) trades at a blended P/E of 32.6, about 88% below its historical normal valuation, with a forward growth estimate of -1.2%. Priced at its historical normal P/E of 280.4 on the same blended earnings, the 2026-09-18 close of $141.90 corresponds to about $1,220 a share. This is a valuation reference, not a price target.

DATA AS OF 2026-09-21
Blended P/E
32.6
Normal P/E
280.4
PEG
—
Fwd growth
-1.2%
Div yield
0.0%
RSI (14)
53.4
Neutral

Valuation flags

Verdict history

tickerseer's rating has been significantly overvalued since 2026-07-31.

Blended P/E and rating by weekBlended P/E moved from 25.6 to 32.6 between 2026-07-31 and 2026-09-21, against a normal P/E of 280.4, with 0 rating changes over 18 recorded weeks.2026-07-31: P/E 25.6, Significantly overvalued (recalculated)2026-08-03: P/E 25.9, Significantly overvalued2026-08-07: P/E 25.9, Significantly overvalued (recalculated)2026-08-10: P/E 26.0, Significantly overvalued2026-08-14: P/E 26.0, Significantly overvalued (recalculated)2026-08-17: P/E 27.0, Significantly overvalued2026-08-21: P/E 27.0, Significantly overvalued (recalculated)2026-08-24: P/E 30.4, Significantly overvalued2026-08-27: P/E 30.4, Significantly overvalued (recalculated)2026-08-28: P/E 30.4, Significantly overvalued (recalculated)2026-08-30: P/E 30.4, Significantly overvalued (recalculated)2026-08-31: P/E 31.3, Significantly overvalued2026-09-05: P/E 31.3, Significantly overvalued (recalculated)2026-09-07: P/E 33.8, Significantly overvalued2026-09-12: P/E 33.8, Significantly overvalued (recalculated)2026-09-14: P/E 32.2, Significantly overvalued2026-09-19: P/E 32.2, Significantly overvalued (recalculated)2026-09-21: P/E 32.6, Significantly overvalued100.0200.0Jul 31Aug 13Aug 26Sep 8Sep 21Normal P/E 280.4
Attractively valuedFairly valuedAbove fair valueLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

Selected weeks: the first, the latest, and the cheapest and dearest.

WeekBlended P/EPremium to normal P/ERating
2026-07-31P/E 25.6-91%Significantly overvalued
2026-09-07P/E 33.8-88%Significantly overvalued
2026-09-21P/E 32.6-88%Significantly overvalued ← now

Frequently asked questions

Is Duolingo stock overvalued?

At a blended P/E of 32.6 versus its historical normal P/E of 280.4, Duolingo trades about 88% below its typical valuation. tickerseer currently rates it significantly overvalued.

What is Duolingo's fair value and PEG?

Duolingo trades at a blended P/E of 32.6 against a historical normal P/E of 280.4, a forward growth estimate of -1.2%. Priced at its historical normal P/E of 280.4 on the same blended earnings, the 2026-09-18 close of $141.90 corresponds to about $1,220 a share. This is a valuation reference, not a price target.

Has tickerseer's rating of Duolingo changed?

tickerseer's rating has been significantly overvalued since 2026-07-31.

Industry: Education Services. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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