What is the current 10-day volatility of ALNY?

As of today, ALNY 10-day volatility is 36.90%

What 10-day volatility category does ALNY fall into?

Based on its current 10-day historical volatility, ALNY falls into the moderate volatility category

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

ALNY 10-day volatility reached a 1-year high of 158.74% on August 7, 2026

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

ALNY 10-day volatility reached a 1-year low of 15.26% on September 24, 2025

What is the current 1-month volatility of ALNY?

As of today, ALNY 1-month volatility is 48.24%

What 1-month volatility category does ALNY fall into?

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

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

ALNY 1-month volatility reached a 1-year high of 113.15% on August 21, 2026

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

ALNY 1-month volatility reached a 1-year low of 18.46% on October 17, 2025

What is the current 3-month volatility of ALNY?

As of today, ALNY 3-month volatility is 72.56%

What 3-month volatility category does ALNY fall into?

Based on its current 3-month historical volatility, ALNY falls into the extreme volatility category

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

ALNY 3-month volatility reached a 1-year high of 72.56% on September 18, 2026

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

ALNY 3-month volatility reached a 1-year low of 29.71% on October 31, 2025

What is the current 1-year volatility of ALNY?

As of today, ALNY 1-year volatility is 47.29%

What 1-year volatility category does ALNY fall into?

Based on its current 1-year historical volatility, ALNY falls into the high volatility category

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

ALNY 1-year volatility reached a 1-year high of 47.42% on July 30, 2026

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

ALNY 1-year volatility reached a 1-year low of 36.38% on June 1, 2026

ALNY Stock Volatility History & Chart Since 2004

10-Day

36.90%

September 18, 2026

Summary

Current Value: As of today, ALNY 10-day volatility is 36.90%, up +2.44% on September 18, 2026
Value Category: Based on its current 10-day historical volatility, ALNY falls into the moderate volatility category
1-Year High: ALNY 10-day volatility reached a 1-year high of 158.74% on August 7, 2026
1-Year Low: ALNY 10-day volatility reached a 1-year low of 15.26% on September 24, 2025

10-Day Volatility Chart

Performance

ALNY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 18, 26	36.90%	+2.4%	-13.6%	+28.7%	+111.5%	-0.2%	-33.0%	+21.8%
1-Month Volatility	Sep 18, 26	48.24%	-5.0%	-54.7%	+43.9%	+41.0%	+62.4%	+13.8%	+90.8%
3-Month Volatility	Sep 18, 26	72.56%	+0.1%	+5.5%	+98.5%	+116.0%	+76.8%	+111.7%	+128.1%
1-Year Volatility	Sep 18, 26	47.29%	+0.3%	+3.8%	+27.6%	+8.6%	+8.0%	+27.5%	+19.4%
14-Day RSI	Sep 18, 26	45.37	-7.5%	+10.5%	+17.2%	+20.1%	-17.4%	+29.6%	-4.4%
Beta	Sep 18, 26	0.40	0.0%	+33.3%	-32.2%	-55.6%	-59.2%	-62.6%	-54.0%
ATR	Sep 18, 26	$10.58	-1.9%	-13.8%	+3.5%	-15.0%	-17.8%	+56.3%	+82.8%
Price	Sep 18, 26	$239.56	-2.4%	+4.8%	-13.9%	-39.8%	-47.0%	+33.3%	+25.9%
200-Day SMA	Sep 18, 26	$312.17	-0.3%	-6.6%	-16.6%	-15.9%	+3.3%	+52.6%	+97.9%
50-Day SMA	Sep 18, 26	$247.94	-0.6%	-8.2%	-17.5%	-43.1%	-39.5%	+27.8%	+30.7%
20-Day SMA	Sep 18, 26	$246.84	+0.2%	+4.0%	-15.8%	-40.0%	-46.0%	+26.1%	+26.4%

10-Day Volatility History

Date	Value	Change
Sep 18, 2026	36.90%	+111.5%
Dec 31, 2025	17.45%	-35.5%
Dec 31, 2024	27.07%	-36.4%
Dec 31, 2023	42.55%	+46.9%
Dec 31, 2022	28.97%	-72.5%
Dec 31, 2021	105.16%	+311.3%
Dec 31, 2020	25.57%	+0.1%
Dec 31, 2019	25.54%	-63.5%
Dec 31, 2018	69.91%	+167.5%
Dec 31, 2017	26.13%	-45.7%
Dec 31, 2016	48.16%	+17.0%
Dec 31, 2015	41.17%	-36.7%

Date	Value	Change
Dec 31, 2014	65.01%	+45.4%
Dec 31, 2013	44.72%	+27.7%
Dec 31, 2012	35.02%	-4.2%
Dec 31, 2011	36.54%	+32.2%
Dec 31, 2010	27.63%	-23.4%
Dec 31, 2009	36.07%	-20.7%
Dec 31, 2008	45.46%	+3.2%
Dec 31, 2007	44.07%	+164.8%
Dec 31, 2006	16.64%	-69.0%
Dec 31, 2005	53.60%	-5.9%
Dec 31, 2004	56.98%	-

FAQ

What is the current 10-day volatility of ALNY?: As of today, ALNY 10-day volatility is 36.90%
What 10-day volatility category does ALNY fall into?: Based on its current 10-day historical volatility, ALNY falls into the moderate volatility category
What is ALNY 10-day volatility 1-year high?: ALNY 10-day volatility reached a 1-year high of 158.74% on August 7, 2026
What is ALNY 10-day volatility 1-year low?: ALNY 10-day volatility reached a 1-year low of 15.26% on September 24, 2025

1-Month

48.24%

September 18, 2026

Summary

Current Value: As of today, ALNY 1-month volatility is 48.24%, down -5.02% on September 18, 2026
Value Category: Based on its current 1-month historical volatility, ALNY falls into the high volatility category
1-Year High: ALNY 1-month volatility reached a 1-year high of 113.15% on August 21, 2026
1-Year Low: ALNY 1-month volatility reached a 1-year low of 18.46% on October 17, 2025

Performance

ALNY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 18, 26	48.24%	-5.0%	-54.7%	+43.9%	+41.0%	+62.4%	+13.8%	+90.8%
10-Day Volatility	Sep 18, 26	36.90%	+2.4%	-13.6%	+28.7%	+111.5%	-0.2%	-33.0%	+21.8%
3-Month Volatility	Sep 18, 26	72.56%	+0.1%	+5.5%	+98.5%	+116.0%	+76.8%	+111.7%	+128.1%
1-Year Volatility	Sep 18, 26	47.29%	+0.3%	+3.8%	+27.6%	+8.6%	+8.0%	+27.5%	+19.4%
14-Day RSI	Sep 18, 26	45.37	-7.5%	+10.5%	+17.2%	+20.1%	-17.4%	+29.6%	-4.4%
Beta	Sep 18, 26	0.40	0.0%	+33.3%	-32.2%	-55.6%	-59.2%	-62.6%	-54.0%
ATR	Sep 18, 26	$10.58	-1.9%	-13.8%	+3.5%	-15.0%	-17.8%	+56.3%	+82.8%
Price	Sep 18, 26	$239.56	-2.4%	+4.8%	-13.9%	-39.8%	-47.0%	+33.3%	+25.9%
200-Day SMA	Sep 18, 26	$312.17	-0.3%	-6.6%	-16.6%	-15.9%	+3.3%	+52.6%	+97.9%
50-Day SMA	Sep 18, 26	$247.94	-0.6%	-8.2%	-17.5%	-43.1%	-39.5%	+27.8%	+30.7%
20-Day SMA	Sep 18, 26	$246.84	+0.2%	+4.0%	-15.8%	-40.0%	-46.0%	+26.1%	+26.4%

1-Month Volatility History

Date	Value	Change
Sep 18, 2026	51.46%	+52.7%
Dec 31, 2025	33.69%	+42.8%
Dec 31, 2024	23.60%	-40.1%
Dec 31, 2023	39.42%	-7.5%
Dec 31, 2022	42.62%	-47.1%
Dec 31, 2021	80.63%	+162.7%
Dec 31, 2020	30.69%	+6.8%
Dec 31, 2019	28.73%	-58.0%
Dec 31, 2018	68.43%	+86.5%
Dec 31, 2017	36.69%	-18.5%
Dec 31, 2016	45.00%	-22.4%
Dec 31, 2015	58.00%	-1.2%

Date	Value	Change
Dec 31, 2014	58.69%	+37.3%
Dec 31, 2013	42.76%	+16.5%
Dec 31, 2012	36.70%	-12.3%
Dec 31, 2011	41.85%	+13.6%
Dec 31, 2010	36.84%	+17.4%
Dec 31, 2009	31.37%	-44.4%
Dec 31, 2008	56.47%	+34.0%
Dec 31, 2007	42.13%	+3.4%
Dec 31, 2006	40.76%	-10.4%
Dec 31, 2005	45.49%	-34.5%
Dec 31, 2004	69.49%	-

FAQ

What is the current 1-month volatility of ALNY?: As of today, ALNY 1-month volatility is 48.24%
What 1-month volatility category does ALNY fall into?: Based on its current 1-month historical volatility, ALNY falls into the high volatility category
What is ALNY 1-month volatility 1-year high?: ALNY 1-month volatility reached a 1-year high of 113.15% on August 21, 2026
What is ALNY 1-month volatility 1-year low?: ALNY 1-month volatility reached a 1-year low of 18.46% on October 17, 2025

3-Month

72.56%

September 18, 2026

Summary

Current Value: As of today, ALNY 3-month volatility is 72.56%, up +0.12% on September 18, 2026
Value Category: Based on its current 3-month historical volatility, ALNY falls into the extreme volatility category
1-Year High: ALNY 3-month volatility reached a 1-year high of 72.56% on September 18, 2026
1-Year Low: ALNY 3-month volatility reached a 1-year low of 29.71% on October 31, 2025

Performance

ALNY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 18, 26	72.56%	+0.1%	+5.5%	+98.5%	+116.0%	+76.8%	+111.7%	+128.1%
10-Day Volatility	Sep 18, 26	36.90%	+2.4%	-13.6%	+28.7%	+111.5%	-0.2%	-33.0%	+21.8%
1-Month Volatility	Sep 18, 26	48.24%	-5.0%	-54.7%	+43.9%	+41.0%	+62.4%	+13.8%	+90.8%
1-Year Volatility	Sep 18, 26	47.29%	+0.3%	+3.8%	+27.6%	+8.6%	+8.0%	+27.5%	+19.4%
14-Day RSI	Sep 18, 26	45.37	-7.5%	+10.5%	+17.2%	+20.1%	-17.4%	+29.6%	-4.4%
Beta	Sep 18, 26	0.40	0.0%	+33.3%	-32.2%	-55.6%	-59.2%	-62.6%	-54.0%
ATR	Sep 18, 26	$10.58	-1.9%	-13.8%	+3.5%	-15.0%	-17.8%	+56.3%	+82.8%
Price	Sep 18, 26	$239.56	-2.4%	+4.8%	-13.9%	-39.8%	-47.0%	+33.3%	+25.9%
200-Day SMA	Sep 18, 26	$312.17	-0.3%	-6.6%	-16.6%	-15.9%	+3.3%	+52.6%	+97.9%
50-Day SMA	Sep 18, 26	$247.94	-0.6%	-8.2%	-17.5%	-43.1%	-39.5%	+27.8%	+30.7%
20-Day SMA	Sep 18, 26	$246.84	+0.2%	+4.0%	-15.8%	-40.0%	-46.0%	+26.1%	+26.4%

3-Month Volatility History

Date	Value	Change
Sep 18, 2026	72.56%	+117.1%
Dec 31, 2025	33.42%	-4.4%
Dec 31, 2024	34.97%	-3.8%
Dec 31, 2023	36.36%	-19.4%
Dec 31, 2022	45.12%	-28.0%
Dec 31, 2021	62.66%	+64.4%
Dec 31, 2020	38.12%	-6.9%
Dec 31, 2019	40.94%	-35.8%
Dec 31, 2018	63.72%	+52.8%
Dec 31, 2017	41.69%	-64.6%
Dec 31, 2016	117.73%	+94.4%
Dec 31, 2015	60.55%	-3.0%

Date	Value	Change
Dec 31, 2014	62.41%	+18.8%
Dec 31, 2013	52.53%	+15.8%
Dec 31, 2012	45.36%	-21.4%
Dec 31, 2011	57.74%	+44.2%
Dec 31, 2010	40.03%	-0.2%
Dec 31, 2009	40.10%	-55.0%
Dec 31, 2008	89.09%	+105.2%
Dec 31, 2007	43.41%	-17.1%
Dec 31, 2006	52.34%	+11.1%
Dec 31, 2005	47.11%	-33.4%
Dec 31, 2004	70.73%	-

FAQ

What is the current 3-month volatility of ALNY?: As of today, ALNY 3-month volatility is 72.56%
What 3-month volatility category does ALNY fall into?: Based on its current 3-month historical volatility, ALNY falls into the extreme volatility category
What is ALNY 3-month volatility 1-year high?: ALNY 3-month volatility reached a 1-year high of 72.56% on September 18, 2026
What is ALNY 3-month volatility 1-year low?: ALNY 3-month volatility reached a 1-year low of 29.71% on October 31, 2025

1-Year

47.29%

September 18, 2026

Summary

Current Value: As of today, ALNY 1-year volatility is 47.29%, up +0.32% on September 18, 2026
Value Category: Based on its current 1-year historical volatility, ALNY falls into the high volatility category
1-Year High: ALNY 1-year volatility reached a 1-year high of 47.42% on July 30, 2026
1-Year Low: ALNY 1-year volatility reached a 1-year low of 36.38% on June 1, 2026

Performance

ALNY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 18, 26	47.29%	+0.3%	+3.8%	+27.6%	+8.6%	+8.0%	+27.5%	+19.4%
10-Day Volatility	Sep 18, 26	36.90%	+2.4%	-13.6%	+28.7%	+111.5%	-0.2%	-33.0%	+21.8%
1-Month Volatility	Sep 18, 26	48.24%	-5.0%	-54.7%	+43.9%	+41.0%	+62.4%	+13.8%	+90.8%
3-Month Volatility	Sep 18, 26	72.56%	+0.1%	+5.5%	+98.5%	+116.0%	+76.8%	+111.7%	+128.1%
1-Year Volatility	Sep 18, 26	47.29%	+0.3%	+3.8%	+27.6%	+8.6%	+8.0%	+27.5%	+19.4%
14-Day RSI	Sep 18, 26	45.37	-7.5%	+10.5%	+17.2%	+20.1%	-17.4%	+29.6%	-4.4%
Beta	Sep 18, 26	0.40	0.0%	+33.3%	-32.2%	-55.6%	-59.2%	-62.6%	-54.0%
ATR	Sep 18, 26	$10.58	-1.9%	-13.8%	+3.5%	-15.0%	-17.8%	+56.3%	+82.8%
Price	Sep 18, 26	$239.56	-2.4%	+4.8%	-13.9%	-39.8%	-47.0%	+33.3%	+25.9%
200-Day SMA	Sep 18, 26	$312.17	-0.3%	-6.6%	-16.6%	-15.9%	+3.3%	+52.6%	+97.9%
50-Day SMA	Sep 18, 26	$247.94	-0.6%	-8.2%	-17.5%	-43.1%	-39.5%	+27.8%	+30.7%
20-Day SMA	Sep 18, 26	$246.84	+0.2%	+4.0%	-15.8%	-40.0%	-46.0%	+26.1%	+26.4%

1-Year Volatility History

Date	Value	Change
Sep 18, 2026	47.19%	+8.4%
Dec 31, 2025	43.53%	-12.1%
Dec 31, 2024	49.50%	+45.5%
Dec 31, 2023	34.02%	-48.8%
Dec 31, 2022	66.43%	+38.6%
Dec 31, 2021	47.94%	+7.0%
Dec 31, 2020	44.80%	+5.7%
Dec 31, 2019	42.40%	-17.6%
Dec 31, 2018	51.43%	-29.3%
Dec 31, 2017	72.71%	-7.3%
Dec 31, 2016	78.42%	+42.0%
Dec 31, 2015	55.23%	-21.3%

Date	Value	Change
Dec 31, 2014	70.18%	+43.4%
Dec 31, 2013	48.94%	-31.2%
Dec 31, 2012	71.15%	+40.6%
Dec 31, 2011	50.60%	+43.8%
Dec 31, 2010	35.20%	-35.5%
Dec 31, 2009	54.59%	-14.5%
Dec 31, 2008	63.83%	-6.3%
Dec 31, 2007	68.14%	+29.8%
Dec 31, 2006	52.49%	-21.3%
Dec 31, 2005	66.73%	-9.4%
Dec 31, 2004	73.67%	-

FAQ

What is the current 1-year volatility of ALNY?: As of today, ALNY 1-year volatility is 47.29%
What 1-year volatility category does ALNY fall into?: Based on its current 1-year historical volatility, ALNY falls into the high volatility category
What is ALNY 1-year volatility 1-year high?: ALNY 1-year volatility reached a 1-year high of 47.42% on July 30, 2026
What is ALNY 1-year volatility 1-year low?: ALNY 1-year volatility reached a 1-year low of 36.38% on June 1, 2026

Data Sources & References

ALNY Official Website www.alnylam.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1178670/000162828026007497/0001628280-26-007497-index.htm
ALNY Profile on Yahoo Finance finance.yahoo.com/quote/ALNY
ALNY Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/alny