What is the current 10-day volatility of ALGN?

As of today, ALGN 10-day volatility is 18.00%

What 10-day volatility category does ALGN fall into?

Based on its current 10-day historical volatility, ALGN falls into the low 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 17.18% on October 7, 2026

What is the current 1-month volatility of ALGN?

As of today, ALGN 1-month volatility is 30.50%

What 1-month volatility category does ALGN fall into?

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

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

ALGN 1-month volatility reached a 1-year high of 56.90% on March 2, 2026

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 32.62%

What 3-month volatility category does ALGN fall into?

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

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

ALGN 3-month volatility reached a 1-year high of 81.45% on October 17, 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 39.28%

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 39.08% on September 14, 2026

ALGN Stock Volatility History & Chart Since 2001

10-Day

18.00%

October 9, 2026

Summary

Current Value: As of today, ALGN 10-day volatility is 18.00%, up +4.77% on October 9, 2026
Value Category: Based on its current 10-day historical volatility, ALGN falls into the low 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 17.18% on October 7, 2026

10-Day Volatility Chart

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 9, 26	18.00%	+4.8%	-36.7%	-69.9%	-1.0%	-15.4%	-41.6%	-41.0%
1-Month Volatility	Oct 9, 26	30.50%	+5.8%	-10.7%	-45.2%	+27.6%	+14.5%	-1.9%	+14.2%
3-Month Volatility	Oct 9, 26	32.62%	0.0%	-22.1%	-27.9%	+1.9%	-59.5%	-25.6%	+5.5%
1-Year Volatility	Oct 9, 26	39.28%	-0.5%	-0.1%	-27.8%	-25.4%	-26.5%	-29.4%	-23.1%
14-Day RSI	Oct 9, 26	39.54	+10.3%	+9.3%	-23.7%	-25.4%	-16.7%	+33.8%	+13.9%
Beta	Oct 9, 26	1.35	0.0%	-4.9%	-14.6%	+8.9%	+8.0%	-22.4%	-16.7%
ATR	Oct 9, 26	$4.19	-2.6%	-25.7%	-46.6%	+13.9%	+6.0%	-57.0%	-78.6%
Price	Oct 9, 26	$142.71	+1.2%	-6.7%	-19.9%	-8.6%	+8.2%	-49.7%	-77.8%
200-Day SMA	Oct 9, 26	$169.83	-0.1%	-0.5%	+4.2%	+6.8%	-3.4%	-46.1%	-72.0%
50-Day SMA	Oct 9, 26	$157.00	-0.4%	-7.9%	-8.4%	+6.8%	+15.8%	-53.4%	-77.5%
20-Day SMA	Oct 9, 26	$145.88	-0.3%	-10.2%	-17.5%	-8.5%	+12.5%	-52.2%	-78.8%

10-Day Volatility History

Date	Value	Change
Oct 9, 2026	18.00%	-1.0%
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 18.00%
What 10-day volatility category does ALGN fall into?: Based on its current 10-day historical volatility, ALGN falls into the low 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 17.18% on October 7, 2026

1-Month

30.50%

October 9, 2026

Summary

Current Value: As of today, ALGN 1-month volatility is 30.50%, up +5.76% on October 9, 2026
Value Category: Based on its current 1-month historical volatility, ALGN falls into the moderate volatility category
1-Year High: ALGN 1-month volatility reached a 1-year high of 56.90% on March 2, 2026
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	Oct 9, 26	30.50%	+5.8%	-10.7%	-45.2%	+27.6%	+14.5%	-1.9%	+14.2%
10-Day Volatility	Oct 9, 26	18.00%	+4.8%	-36.7%	-69.9%	-1.0%	-15.4%	-41.6%	-41.0%
3-Month Volatility	Oct 9, 26	32.62%	0.0%	-22.1%	-27.9%	+1.9%	-59.5%	-25.6%	+5.5%
1-Year Volatility	Oct 9, 26	39.28%	-0.5%	-0.1%	-27.8%	-25.4%	-26.5%	-29.4%	-23.1%
14-Day RSI	Oct 9, 26	39.54	+10.3%	+9.3%	-23.7%	-25.4%	-16.7%	+33.8%	+13.9%
Beta	Oct 9, 26	1.35	0.0%	-4.9%	-14.6%	+8.9%	+8.0%	-22.4%	-16.7%
ATR	Oct 9, 26	$4.19	-2.6%	-25.7%	-46.6%	+13.9%	+6.0%	-57.0%	-78.6%
Price	Oct 9, 26	$142.71	+1.2%	-6.7%	-19.9%	-8.6%	+8.2%	-49.7%	-77.8%
200-Day SMA	Oct 9, 26	$169.83	-0.1%	-0.5%	+4.2%	+6.8%	-3.4%	-46.1%	-72.0%
50-Day SMA	Oct 9, 26	$157.00	-0.4%	-7.9%	-8.4%	+6.8%	+15.8%	-53.4%	-77.5%
20-Day SMA	Oct 9, 26	$145.88	-0.3%	-10.2%	-17.5%	-8.5%	+12.5%	-52.2%	-78.8%

1-Month Volatility History

Date	Value	Change
Oct 9, 2026	29.32%	+25.1%
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 30.50%
What 1-month volatility category does ALGN fall into?: Based on its current 1-month historical volatility, ALGN falls into the moderate volatility category
What is ALGN 1-month volatility 1-year high?: ALGN 1-month volatility reached a 1-year high of 56.90% on March 2, 2026
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

32.62%

October 9, 2026

Summary

Current Value: As of today, ALGN 3-month volatility is 32.62%, unchanged on October 9, 2026
Value Category: Based on its current 3-month historical volatility, ALGN falls into the moderate volatility category
1-Year High: ALGN 3-month volatility reached a 1-year high of 81.45% on October 17, 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	Oct 9, 26	32.62%	0.0%	-22.1%	-27.9%	+1.9%	-59.5%	-25.6%	+5.5%
10-Day Volatility	Oct 9, 26	18.00%	+4.8%	-36.7%	-69.9%	-1.0%	-15.4%	-41.6%	-41.0%
1-Month Volatility	Oct 9, 26	30.50%	+5.8%	-10.7%	-45.2%	+27.6%	+14.5%	-1.9%	+14.2%
1-Year Volatility	Oct 9, 26	39.28%	-0.5%	-0.1%	-27.8%	-25.4%	-26.5%	-29.4%	-23.1%
14-Day RSI	Oct 9, 26	39.54	+10.3%	+9.3%	-23.7%	-25.4%	-16.7%	+33.8%	+13.9%
Beta	Oct 9, 26	1.35	0.0%	-4.9%	-14.6%	+8.9%	+8.0%	-22.4%	-16.7%
ATR	Oct 9, 26	$4.19	-2.6%	-25.7%	-46.6%	+13.9%	+6.0%	-57.0%	-78.6%
Price	Oct 9, 26	$142.71	+1.2%	-6.7%	-19.9%	-8.6%	+8.2%	-49.7%	-77.8%
200-Day SMA	Oct 9, 26	$169.83	-0.1%	-0.5%	+4.2%	+6.8%	-3.4%	-46.1%	-72.0%
50-Day SMA	Oct 9, 26	$157.00	-0.4%	-7.9%	-8.4%	+6.8%	+15.8%	-53.4%	-77.5%
20-Day SMA	Oct 9, 26	$145.88	-0.3%	-10.2%	-17.5%	-8.5%	+12.5%	-52.2%	-78.8%

3-Month Volatility History

Date	Value	Change
Oct 9, 2026	32.43%	+1.7%
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 32.62%
What 3-month volatility category does ALGN fall into?: Based on its current 3-month historical volatility, ALGN falls into the moderate volatility category
What is ALGN 3-month volatility 1-year high?: ALGN 3-month volatility reached a 1-year high of 81.45% on October 17, 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

39.28%

October 9, 2026

Summary

Current Value: As of today, ALGN 1-year volatility is 39.28%, down -0.51% on October 9, 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 39.08% on September 14, 2026

Performance

ALGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Oct 9, 26	39.28%	-0.5%	-0.1%	-27.8%	-25.4%	-26.5%	-29.4%	-23.1%
10-Day Volatility	Oct 9, 26	18.00%	+4.8%	-36.7%	-69.9%	-1.0%	-15.4%	-41.6%	-41.0%
1-Month Volatility	Oct 9, 26	30.50%	+5.8%	-10.7%	-45.2%	+27.6%	+14.5%	-1.9%	+14.2%
3-Month Volatility	Oct 9, 26	32.62%	0.0%	-22.1%	-27.9%	+1.9%	-59.5%	-25.6%	+5.5%
1-Year Volatility	Oct 9, 26	39.28%	-0.5%	-0.1%	-27.8%	-25.4%	-26.5%	-29.4%	-23.1%
14-Day RSI	Oct 9, 26	39.54	+10.3%	+9.3%	-23.7%	-25.4%	-16.7%	+33.8%	+13.9%
Beta	Oct 9, 26	1.35	0.0%	-4.9%	-14.6%	+8.9%	+8.0%	-22.4%	-16.7%
ATR	Oct 9, 26	$4.19	-2.6%	-25.7%	-46.6%	+13.9%	+6.0%	-57.0%	-78.6%
Price	Oct 9, 26	$142.71	+1.2%	-6.7%	-19.9%	-8.6%	+8.2%	-49.7%	-77.8%
200-Day SMA	Oct 9, 26	$169.83	-0.1%	-0.5%	+4.2%	+6.8%	-3.4%	-46.1%	-72.0%
50-Day SMA	Oct 9, 26	$157.00	-0.4%	-7.9%	-8.4%	+6.8%	+15.8%	-53.4%	-77.5%
20-Day SMA	Oct 9, 26	$145.88	-0.3%	-10.2%	-17.5%	-8.5%	+12.5%	-52.2%	-78.8%

1-Year Volatility History

Date	Value	Change
Oct 9, 2026	39.48%	-25.1%
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 39.28%
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 39.08% on September 14, 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