Joseph Carlson on Duolingo (DUOL): every public call, dated.
6 quotes from 13 videos reviewed since 2025-09-10. Each one links to the exact second on YouTube, with the closing price on the day of the video and what the stock did since.
- DUOL close, 2026-09-10
- $145.16
- Since first quote, 2025-09-10
- -49.2%
- S&P 500 (SPY), same period
- +17.5%
- Latest stance, Apr 22, 2026
- Hold, bullish
The market had other plans.
DUOL from 2025-09-10 to 2026-09-10. Price movement, not the creator’s realized return.
Price and the calls
Table view: month-end closes
| Month end | Close |
|---|---|
| 2025-08-29 | $298 |
| 2025-09-30 | $322 |
| 2025-10-31 | $271 |
| 2025-11-28 | $191 |
| 2025-12-31 | $176 |
| 2026-01-30 | $134 |
| 2026-02-27 | $101 |
| 2026-03-31 | $98.57 |
| 2026-04-30 | $110 |
| 2026-05-29 | $111 |
| 2026-06-30 | $115 |
| 2026-07-31 | $135 |
| 2026-08-31 | $148 |
| 2026-09-10 | $145 |
Table view: month-end closes
| Month end | Close |
|---|---|
| 2025-08-29 | $298 |
| 2025-09-30 | $322 |
| 2025-10-31 | $271 |
| 2025-11-28 | $191 |
| 2025-12-31 | $176 |
| 2026-01-30 | $134 |
| 2026-02-27 | $101 |
| 2026-03-31 | $98.57 |
| 2026-04-30 | $110 |
| 2026-05-29 | $111 |
| 2026-06-30 | $115 |
| 2026-07-31 | $135 |
| 2026-08-31 | $148 |
| 2026-09-10 | $145 |
What Joseph Carlson said, when
Buying the dipJoseph Carlson on Duolingo: “I bought Duolingo after it has declined significantly from…”
“I bought Duolingo after it has declined significantly from the highs of 550 and it's continued to decline down to 250. Although the bottom has not been timed perfectly, it's still incredibly early.”
Disclosed holdingJoseph Carlson on Duolingo: “A smaller position, $20,000, by far the smallest in…”
“A smaller position, $20,000, by far the smallest in my portfolio, currently around $3 to $4,000 in the red, and it's Duolingo.”
Hold, bullishJoseph Carlson on Duolingo: “Right now I'm not convinced that this company is…”
“Right now I'm not convinced that this company is in as much distress as people say. I want to hold it for the next couple of years. I'll hold Duolingo for 2-3 years and see how it goes.”
Valuation viewJoseph Carlson on Duolingo: “With Duolingo's 75 PE ratio, PE ratios should be…”
“With Duolingo's 75 PE ratio, PE ratios should be given in context of growth and predictability. Duolingo grew their earnings per share by 73% year-over-year last quarter.”
Risk acknowledgedJoseph Carlson on Duolingo: “Duolingo is down a staggering 69.3% over the trailing…”
“Duolingo is down a staggering 69.3% over the trailing one year. Investors believe that there's going to be lots of AI-enabled tools, and Duolingo doesn't have enough to distinguish itself.”
Hold, bullishJoseph Carlson on Duolingo: “We have Duolingo, which I haven't sold a single…”
“We have Duolingo, which I haven't sold a single share. I'm currently down 55% or $22,000, and Duolingo has held at around $100 per share. I believe it's finally found a base.”
How to read this
Quotes are short excerpts from Joseph Carlson's public YouTube videos, attributed to the speaker and linked to the timestamp. “Close that day” is DUOL's split-adjusted closing price on the day the video was published (New York time); if markets were closed that day, the last close before it. “Since” compares that close with the latest close on 2026-09-10. It is a price observation, not the creator's realized return, and not investment advice. Full methodology.
Coverage: 13 of 13 videos published since 2025-09-10 reviewed; 46 Duolingo mentions found. Data generated 2026-09-11.