Nasdaq · ALGN · stock
Align Technology INC (ALGN) stock price history
Every Nasdaq trading session of Align Technology INC from Jan 30, 2001 to Sep 28, 2026: 6,453 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ALGN adjusted close, 2001 to 2026
- $729.92
- All time high, 2021
- $200.44
- 52 week high, $123.02 low
- 6,453
- Daily sessions since 2001
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.
ALGN key facts
- Align Technology INC (ALGN) closed at $145.00 on Sep 28, 2026 on Nasdaq.
- ALGN's all time high close is $729.92, set on Sep 8, 2021; its all time low close is $1.30 on Nov 13, 2002.
- ALGN's 52 week range is $123.02 to $200.44.
- ALGN returned +14.9% over the year to Sep 28, 2026 and -78.6% over five years.
- Over ten years ALGN returned +53%, +4.4% a year compounded.
- ALGN's deepest drawdown was -92.3% from Jan 30, 2001 to Nov 13, 2002.
- DataCedar holds 6,453 daily sessions of ALGN history from Jan 30, 2001 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ALGN price chart, 2001 to 2026
ALGN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -8.0% |
| 3 months | -18.7% |
| 6 months | -12.9% |
| Year to date | -8.3% |
| 1 year | +14.9% |
| 3 years | -52.8% |
| 5 years | -78.6% |
| 10 years | +53.3% |
| Since Jan 30, 2001 | +759.3% |
| Compound annual growth, 25.7 years | +8.7% |
ALGN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $729.92 on Sep 8, 2021
- All time low close
- $1.30 on Nov 13, 2002
- 52 week high
- $200.44 on Apr 21, 2026
- 52 week low
- $123.02 on Sep 30, 2025
- Deepest drawdown
- -92.3% from Jan 30, 2001 to Nov 13, 2002, recovered Nov 3, 2003
- Best single session
- +48.2% on Sep 28, 2006
- Worst single session
- -38.3% on Jul 10, 2002
- Volatility, 1 year annualised
- 39.3%
- Sessions closing higher, 1 year
- 50%
- Growth of 1 since 2001
- 8.6×
- Best calendar year
- 2003, +498%
- Worst calendar year
- 2022, -68%
ALGN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2001 starts on Jan 30, 2001; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $157.72 | $200.44 | $143.33 | $145.00 | -7.1% | 198.1M | 185 |
| 2025 | $211.77 | $237.23 | $122.00 | $156.15 | -25.1% | 315.1M | 250 |
| 2024 | $271.00 | $335.40 | $196.09 | $208.51 | -23.9% | 195.2M | 252 |
| 2023 | $215.46 | $413.20 | $176.34 | $274.00 | +29.9% | 232.3M | 250 |
| 2022 | $656.30 | $658.50 | $172.05 | $210.90 | -67.9% | 248.1M | 251 |
| 2021 | $549.61 | $737.45 | $494.45 | $657.18 | +23.0% | 148.6M | 252 |
| 2020 | $281.20 | $543.65 | $127.88 | $534.38 | +91.5% | 232.3M | 253 |
| 2019 | $205.32 | $334.64 | $169.84 | $279.04 | +33.2% | 298.7M | 252 |
| 2018 | $222.61 | $398.88 | $188.57 | $209.43 | -5.7% | 272.7M | 251 |
| 2017 | $96.49 | $266.41 | $88.56 | $222.19 | +131.1% | 255.7M | 251 |
| 2016 | $64.99 | $102.10 | $57.31 | $96.13 | +46.0% | 195M | 252 |
| 2015 | $57.24 | $68.48 | $51.65 | $65.85 | +17.8% | 199.9M | 252 |
| 2014 | $57.06 | $65.10 | $43.27 | $55.91 | -2.2% | 237.3M | 252 |
| 2013 | $28.57 | $60.00 | $25.61 | $57.14 | +105.9% | 227.3M | 252 |
| 2012 | $24.24 | $39.82 | $22.39 | $27.75 | +16.9% | 279.3M | 250 |
| 2011 | $19.75 | $25.94 | $14.25 | $23.73 | +21.4% | 169.5M | 252 |
| 2010 | $18.05 | $21.40 | $13.18 | $19.54 | +9.7% | 232M | 252 |
| 2009 | $8.52 | $18.85 | $6.10 | $17.82 | +103.7% | 174.5M | 252 |
| 2008 | $16.68 | $17.22 | $4.88 | $8.75 | -47.5% | 252.9M | 253 |
| 2007 | $13.97 | $29.71 | $13.07 | $16.68 | +19.4% | 266M | 251 |
| 2006 | $6.35 | $15.33 | $5.62 | $13.97 | +115.9% | 194.7M | 251 |
| 2005 | $10.87 | $10.87 | $5.63 | $6.47 | -39.8% | 216M | 252 |
| 2004 | $16.74 | $22.81 | $8.85 | $10.75 | -34.9% | 166.4M | 252 |
| 2003 | $2.95 | $18.97 | $2.54 | $16.51 | +498.2% | 96.7M | 252 |
| 2002 | $4.50 | $6.25 | $1.26 | $2.76 | -38.7% | 52.4M | 252 |
| 2001 | $18.13 | $18.19 | $2.14 | $4.50 | n/a | 70.8M | 229 |
ALGN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $145.00 | -9.3% |
| August 2026 | $159.79 | -5.5% |
| July 2026 | $169.16 | +0.3% |
| June 2026 | $168.66 | -3.6% |
| May 2026 | $174.95 | -0.6% |
| April 2026 | $176.01 | +2.7% |
| March 2026 | $171.43 | -9.8% |
| February 2026 | $190.10 | +16.6% |
| January 2026 | $163.03 | +4.4% |
| December 2025 | $156.15 | +6.1% |
| November 2025 | $147.19 | +6.8% |
| October 2025 | $137.88 | +10.1% |
About the ALGN data
Daily bars. 6,453 sessions from Jan 30, 2001 to Sep 28, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jan 30, 2001, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/ALGN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ALGN share price history
