What is the current 10-day volatility of ALGN?

As of today, ALGN 10-day volatility is 43.78%

What 10-day volatility category does ALGN fall into?

Based on its current 10-day historical volatility, ALGN falls into the high volatility category

What is ALGN 10-day volatility 1-year high?

ALGN 10-day volatility reached a 1-year high of 73.49% on February 12, 2026

What is ALGN 10-day volatility 1-year low?

ALGN 10-day volatility reached a 1-year low of 17.34% on January 2, 2026

What is the current 1-month volatility of ALGN?

As of today, ALGN 1-month volatility is 40.62%

What 1-month volatility category does ALGN fall into?

Based on its current 1-month historical volatility, ALGN falls into the high volatility category

What is ALGN 1-month volatility 1-year high?

ALGN 1-month volatility reached a 1-year high of 135.94% on August 22, 2025

What is ALGN 1-month volatility 1-year low?

ALGN 1-month volatility reached a 1-year low of 20.55% on January 2, 2026

What is the current 3-month volatility of ALGN?

As of today, ALGN 3-month volatility is 45.67%

What 3-month volatility category does ALGN fall into?

Based on its current 3-month historical volatility, ALGN falls into the high volatility category

What is ALGN 3-month volatility 1-year high?

ALGN 3-month volatility reached a 1-year high of 83.14% on September 5, 2025

What is ALGN 3-month volatility 1-year low?

ALGN 3-month volatility reached a 1-year low of 30.62% on February 2, 2026

What is the current 1-year volatility of ALGN?

As of today, ALGN 1-year volatility is 39.96%

What 1-year volatility category does ALGN fall into?

Based on its current 1-year historical volatility, ALGN falls into the moderate volatility category

What is ALGN 1-year volatility 1-year high?

ALGN 1-year volatility reached a 1-year high of 54.49% on March 27, 2026

What is ALGN 1-year volatility 1-year low?

ALGN 1-year volatility reached a 1-year low of 39.41% on August 13, 2026

ALGN Stock Volatility History & Chart Since 2001

10-Day

43.78%

August 18, 2026

Summary

Current Value: As of today, ALGN 10-day volatility is 43.78%, up +2.12% on August 18, 2026
Value Category: Based on its current 10-day historical volatility, ALGN falls into the high volatility category
1-Year High: ALGN 10-day volatility reached a 1-year high of 73.49% on February 12, 2026
1-Year Low: ALGN 10-day volatility reached a 1-year low of 17.34% on January 2, 2026

10-Day Volatility Chart

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 18, 26	43.78%	+2.1%	+16.9%	+38.8%	+140.7%	+9.4%	+88.8%	+129.3%
1-Month Volatility	Aug 18, 26	40.62%	-1.3%	-16.7%	+26.1%	+69.9%	-70.1%	-25.1%	+5.7%
3-Month Volatility	Aug 18, 26	45.67%	+0.6%	+3.6%	+14.8%	+42.7%	-44.1%	+6.6%	+46.9%
1-Year Volatility	Aug 18, 26	39.96%	+0.2%	-26.5%	-23.6%	-24.2%	-25.6%	-30.6%	-22.8%
14-Day RSI	Aug 18, 26	43.97	-6.0%	-11.7%	+27.1%	-17.0%	+16.5%	-7.9%	-18.0%
Beta	Aug 18, 26	1.40	-1.4%	-10.3%	-16.2%	+12.9%	+11.1%	-19.1%	-6.0%
ATR	Aug 18, 26	$6.73	-2.4%	-7.9%	+7.0%	+83.0%	-9.6%	-40.1%	-64.4%
Price	Aug 18, 26	$167.91	-1.9%	-5.0%	+5.8%	+7.5%	+15.8%	-52.1%	-75.1%
200-Day SMA	Aug 18, 26	$169.14	+0.1%	+2.8%	+7.7%	+6.4%	-12.2%	-42.0%	-70.3%
50-Day SMA	Aug 18, 26	$175.44	0.0%	+2.0%	+0.2%	+19.4%	-1.5%	-49.3%	-72.5%
20-Day SMA	Aug 18, 26	$172.87	-0.3%	-2.9%	-0.9%	+8.4%	+7.0%	-51.8%	-74.4%

10-Day Volatility History

Date	Value	Change
Aug 18, 2026	43.78%	+140.7%
Dec 31, 2025	18.19%	-57.1%
Dec 31, 2024	42.36%	+28.7%
Dec 31, 2023	32.91%	+3.8%
Dec 31, 2022	31.71%	-14.3%
Dec 31, 2021	37.00%	+77.5%
Dec 31, 2020	20.85%	+39.6%
Dec 31, 2019	14.94%	-74.7%
Dec 31, 2018	59.06%	+60.1%
Dec 31, 2017	36.88%	+191.8%
Dec 31, 2016	12.64%	-22.5%
Dec 31, 2015	16.31%	+41.7%
Dec 31, 2014	11.51%	-34.0%

Date	Value	Change
Dec 31, 2013	17.43%	-36.1%
Dec 31, 2012	27.28%	-30.1%
Dec 31, 2011	39.05%	+60.2%
Dec 31, 2010	24.37%	-17.4%
Dec 31, 2009	29.52%	-30.9%
Dec 31, 2008	42.72%	+2.1%
Dec 31, 2007	41.84%	+24.7%
Dec 31, 2006	33.54%	-5.7%
Dec 31, 2005	35.57%	+69.3%
Dec 31, 2004	21.01%	-39.9%
Dec 31, 2003	34.96%	-43.3%
Dec 31, 2002	61.70%	-46.0%
Dec 31, 2001	114.22%	-

FAQ

What is the current 10-day volatility of ALGN?: As of today, ALGN 10-day volatility is 43.78%
What 10-day volatility category does ALGN fall into?: Based on its current 10-day historical volatility, ALGN falls into the high volatility category
What is ALGN 10-day volatility 1-year high?: ALGN 10-day volatility reached a 1-year high of 73.49% on February 12, 2026
What is ALGN 10-day volatility 1-year low?: ALGN 10-day volatility reached a 1-year low of 17.34% on January 2, 2026

1-Month

40.62%

August 18, 2026

Summary

Current Value: As of today, ALGN 1-month volatility is 40.62%, down -1.31% on August 18, 2026
Value Category: Based on its current 1-month historical volatility, ALGN falls into the high volatility category
1-Year High: ALGN 1-month volatility reached a 1-year high of 135.94% on August 22, 2025
1-Year Low: ALGN 1-month volatility reached a 1-year low of 20.55% on January 2, 2026

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 18, 26	40.62%	-1.3%	-16.7%	+26.1%	+69.9%	-70.1%	-25.1%	+5.7%
10-Day Volatility	Aug 18, 26	43.78%	+2.1%	+16.9%	+38.8%	+140.7%	+9.4%	+88.8%	+129.3%
3-Month Volatility	Aug 18, 26	45.67%	+0.6%	+3.6%	+14.8%	+42.7%	-44.1%	+6.6%	+46.9%
1-Year Volatility	Aug 18, 26	39.96%	+0.2%	-26.5%	-23.6%	-24.2%	-25.6%	-30.6%	-22.8%
14-Day RSI	Aug 18, 26	43.97	-6.0%	-11.7%	+27.1%	-17.0%	+16.5%	-7.9%	-18.0%
Beta	Aug 18, 26	1.40	-1.4%	-10.3%	-16.2%	+12.9%	+11.1%	-19.1%	-6.0%
ATR	Aug 18, 26	$6.73	-2.4%	-7.9%	+7.0%	+83.0%	-9.6%	-40.1%	-64.4%
Price	Aug 18, 26	$167.91	-1.9%	-5.0%	+5.8%	+7.5%	+15.8%	-52.1%	-75.1%
200-Day SMA	Aug 18, 26	$169.14	+0.1%	+2.8%	+7.7%	+6.4%	-12.2%	-42.0%	-70.3%
50-Day SMA	Aug 18, 26	$175.44	0.0%	+2.0%	+0.2%	+19.4%	-1.5%	-49.3%	-72.5%
20-Day SMA	Aug 18, 26	$172.87	-0.3%	-2.9%	-0.9%	+8.4%	+7.0%	-51.8%	-74.4%

1-Month Volatility History

Date	Value	Change
Aug 18, 2026	40.62%	+73.3%
Dec 31, 2025	23.44%	-32.7%
Dec 31, 2024	34.82%	-31.3%
Dec 31, 2023	50.68%	+40.2%
Dec 31, 2022	36.16%	-15.8%
Dec 31, 2021	42.92%	+90.9%
Dec 31, 2020	22.48%	+32.9%
Dec 31, 2019	16.91%	-67.9%
Dec 31, 2018	52.68%	+3.2%
Dec 31, 2017	51.04%	+187.9%
Dec 31, 2016	17.73%	-8.8%
Dec 31, 2015	19.44%	+18.8%
Dec 31, 2014	16.36%	-15.7%

Date	Value	Change
Dec 31, 2013	19.41%	-28.0%
Dec 31, 2012	26.96%	-27.6%
Dec 31, 2011	37.22%	+49.5%
Dec 31, 2010	24.89%	-23.5%
Dec 31, 2009	32.53%	-53.1%
Dec 31, 2008	69.35%	+51.2%
Dec 31, 2007	45.88%	+34.4%
Dec 31, 2006	34.14%	-5.6%
Dec 31, 2005	36.16%	-27.1%
Dec 31, 2004	49.59%	+18.4%
Dec 31, 2003	41.90%	-57.4%
Dec 31, 2002	98.29%	+8.4%
Dec 31, 2001	90.67%	-

FAQ

What is the current 1-month volatility of ALGN?: As of today, ALGN 1-month volatility is 40.62%
What 1-month volatility category does ALGN fall into?: Based on its current 1-month historical volatility, ALGN falls into the high volatility category
What is ALGN 1-month volatility 1-year high?: ALGN 1-month volatility reached a 1-year high of 135.94% on August 22, 2025
What is ALGN 1-month volatility 1-year low?: ALGN 1-month volatility reached a 1-year low of 20.55% on January 2, 2026

3-Month

45.67%

August 18, 2026

Summary

Current Value: As of today, ALGN 3-month volatility is 45.67%, up +0.59% on August 18, 2026
Value Category: Based on its current 3-month historical volatility, ALGN falls into the high volatility category
1-Year High: ALGN 3-month volatility reached a 1-year high of 83.14% on September 5, 2025
1-Year Low: ALGN 3-month volatility reached a 1-year low of 30.62% on February 2, 2026

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 18, 26	45.67%	+0.6%	+3.6%	+14.8%	+42.7%	-44.1%	+6.6%	+46.9%
10-Day Volatility	Aug 18, 26	43.78%	+2.1%	+16.9%	+38.8%	+140.7%	+9.4%	+88.8%	+129.3%
1-Month Volatility	Aug 18, 26	40.62%	-1.3%	-16.7%	+26.1%	+69.9%	-70.1%	-25.1%	+5.7%
1-Year Volatility	Aug 18, 26	39.96%	+0.2%	-26.5%	-23.6%	-24.2%	-25.6%	-30.6%	-22.8%
14-Day RSI	Aug 18, 26	43.97	-6.0%	-11.7%	+27.1%	-17.0%	+16.5%	-7.9%	-18.0%
Beta	Aug 18, 26	1.40	-1.4%	-10.3%	-16.2%	+12.9%	+11.1%	-19.1%	-6.0%
ATR	Aug 18, 26	$6.73	-2.4%	-7.9%	+7.0%	+83.0%	-9.6%	-40.1%	-64.4%
Price	Aug 18, 26	$167.91	-1.9%	-5.0%	+5.8%	+7.5%	+15.8%	-52.1%	-75.1%
200-Day SMA	Aug 18, 26	$169.14	+0.1%	+2.8%	+7.7%	+6.4%	-12.2%	-42.0%	-70.3%
50-Day SMA	Aug 18, 26	$175.44	0.0%	+2.0%	+0.2%	+19.4%	-1.5%	-49.3%	-72.5%
20-Day SMA	Aug 18, 26	$172.87	-0.3%	-2.9%	-0.9%	+8.4%	+7.0%	-51.8%	-74.4%

3-Month Volatility History

Date	Value	Change
Aug 18, 2026	45.56%	+42.9%
Dec 31, 2025	31.89%	-15.4%
Dec 31, 2024	37.71%	-42.5%
Dec 31, 2023	65.61%	-2.1%
Dec 31, 2022	67.03%	+81.7%
Dec 31, 2021	36.90%	-51.7%
Dec 31, 2020	76.37%	+117.3%
Dec 31, 2019	35.14%	-48.3%
Dec 31, 2018	68.00%	+45.9%
Dec 31, 2017	46.61%	+94.2%
Dec 31, 2016	24.00%	-31.6%
Dec 31, 2015	35.10%	+38.4%
Dec 31, 2014	25.36%	-57.7%

Date	Value	Change
Dec 31, 2013	60.01%	+17.5%
Dec 31, 2012	51.06%	-39.0%
Dec 31, 2011	83.73%	+122.2%
Dec 31, 2010	37.69%	-20.6%
Dec 31, 2009	47.45%	-47.6%
Dec 31, 2008	90.48%	+6.6%
Dec 31, 2007	84.85%	+111.6%
Dec 31, 2006	40.10%	-3.0%
Dec 31, 2005	41.32%	-48.0%
Dec 31, 2004	79.53%	+36.0%
Dec 31, 2003	58.48%	-60.3%
Dec 31, 2002	147.41%	-4.6%
Dec 31, 2001	154.47%	-

FAQ

What is the current 3-month volatility of ALGN?: As of today, ALGN 3-month volatility is 45.67%
What 3-month volatility category does ALGN fall into?: Based on its current 3-month historical volatility, ALGN falls into the high volatility category
What is ALGN 3-month volatility 1-year high?: ALGN 3-month volatility reached a 1-year high of 83.14% on September 5, 2025
What is ALGN 3-month volatility 1-year low?: ALGN 3-month volatility reached a 1-year low of 30.62% on February 2, 2026

1-Year

39.96%

August 18, 2026

Summary

Current Value: As of today, ALGN 1-year volatility is 39.96%, up +0.23% on August 18, 2026
Value Category: Based on its current 1-year historical volatility, ALGN falls into the moderate volatility category
1-Year High: ALGN 1-year volatility reached a 1-year high of 54.49% on March 27, 2026
1-Year Low: ALGN 1-year volatility reached a 1-year low of 39.41% on August 13, 2026

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 18, 26	39.96%	+0.2%	-26.5%	-23.6%	-24.2%	-25.6%	-30.6%	-22.8%
10-Day Volatility	Aug 18, 26	43.78%	+2.1%	+16.9%	+38.8%	+140.7%	+9.4%	+88.8%	+129.3%
1-Month Volatility	Aug 18, 26	40.62%	-1.3%	-16.7%	+26.1%	+69.9%	-70.1%	-25.1%	+5.7%
3-Month Volatility	Aug 18, 26	45.67%	+0.6%	+3.6%	+14.8%	+42.7%	-44.1%	+6.6%	+46.9%
1-Year Volatility	Aug 18, 26	39.96%	+0.2%	-26.5%	-23.6%	-24.2%	-25.6%	-30.6%	-22.8%
14-Day RSI	Aug 18, 26	43.97	-6.0%	-11.7%	+27.1%	-17.0%	+16.5%	-7.9%	-18.0%
Beta	Aug 18, 26	1.40	-1.4%	-10.3%	-16.2%	+12.9%	+11.1%	-19.1%	-6.0%
ATR	Aug 18, 26	$6.73	-2.4%	-7.9%	+7.0%	+83.0%	-9.6%	-40.1%	-64.4%
Price	Aug 18, 26	$167.91	-1.9%	-5.0%	+5.8%	+7.5%	+15.8%	-52.1%	-75.1%
200-Day SMA	Aug 18, 26	$169.14	+0.1%	+2.8%	+7.7%	+6.4%	-12.2%	-42.0%	-70.3%
50-Day SMA	Aug 18, 26	$175.44	0.0%	+2.0%	+0.2%	+19.4%	-1.5%	-49.3%	-72.5%
20-Day SMA	Aug 18, 26	$172.87	-0.3%	-2.9%	-0.9%	+8.4%	+7.0%	-51.8%	-74.4%

1-Year Volatility History

Date	Value	Change
Aug 18, 2026	39.89%	-24.3%
Dec 31, 2025	52.69%	+41.3%
Dec 31, 2024	37.29%	-33.3%
Dec 31, 2023	55.91%	-6.7%
Dec 31, 2022	59.93%	+57.7%
Dec 31, 2021	38.01%	-46.8%
Dec 31, 2020	71.44%	+54.1%
Dec 31, 2019	46.36%	-0.6%
Dec 31, 2018	46.63%	+34.8%
Dec 31, 2017	34.60%	+20.5%
Dec 31, 2016	28.71%	-5.2%
Dec 31, 2015	30.28%	-0.7%
Dec 31, 2014	30.48%	-21.9%

Date	Value	Change
Dec 31, 2013	39.02%	-10.3%
Dec 31, 2012	43.48%	-23.6%
Dec 31, 2011	56.88%	+31.0%
Dec 31, 2010	43.42%	-35.5%
Dec 31, 2009	67.31%	-2.5%
Dec 31, 2008	69.03%	+5.4%
Dec 31, 2007	65.51%	+1.1%
Dec 31, 2006	64.77%	+31.3%
Dec 31, 2005	49.32%	-15.0%
Dec 31, 2004	58.04%	-9.4%
Dec 31, 2003	64.06%	-45.6%
Dec 31, 2002	117.85%	-1.6%
Dec 31, 2001	119.75%	-

FAQ

What is the current 1-year volatility of ALGN?: As of today, ALGN 1-year volatility is 39.96%
What 1-year volatility category does ALGN fall into?: Based on its current 1-year historical volatility, ALGN falls into the moderate volatility category
What is ALGN 1-year volatility 1-year high?: ALGN 1-year volatility reached a 1-year high of 54.49% on March 27, 2026
What is ALGN 1-year volatility 1-year low?: ALGN 1-year volatility reached a 1-year low of 39.41% on August 13, 2026

Data Sources & References

ALGN Official Website www.aligntech.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1097149/000109714926000006/0001097149-26-000006-index.htm
ALGN Profile on Yahoo Finance finance.yahoo.com/quote/ALGN
ALGN Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/algn