What is the current 10-day volatility of REGN?

As of today, REGN 10-day volatility is 43.60%

What 10-day volatility category does REGN fall into?

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

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

REGN 10-day volatility reached a 1-year high of 64.15% on November 5, 2025

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

REGN 10-day volatility reached a 1-year low of 12.21% on June 25, 2026

What is the current 1-month volatility of REGN?

As of today, REGN 1-month volatility is 37.20%

What 1-month volatility category does REGN fall into?

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

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

REGN 1-month volatility reached a 1-year high of 50.29% on October 28, 2025

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

REGN 1-month volatility reached a 1-year low of 21.86% on April 22, 2026

What is the current 3-month volatility of REGN?

As of today, REGN 3-month volatility is 35.78%

What 3-month volatility category does REGN fall into?

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

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

REGN 3-month volatility reached a 1-year high of 52.58% on August 1, 2025

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

REGN 3-month volatility reached a 1-year low of 25.62% on September 10, 2025

What is the current 1-year volatility of REGN?

As of today, REGN 1-year volatility is 33.82%

What 1-year volatility category does REGN fall into?

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

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

REGN 1-year volatility reached a 1-year high of 41.79% on December 11, 2025

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

REGN 1-year volatility reached a 1-year low of 32.60% on June 24, 2026

REGN Stock Volatility History & Chart Since 1991

10-Day

43.60%

July 31, 2026

Summary

Current Value: As of today, REGN 10-day volatility is 43.60%, up +2.35% on July 31, 2026
Value Category: Based on its current 10-day historical volatility, REGN falls into the high volatility category
1-Year High: REGN 10-day volatility reached a 1-year high of 64.15% on November 5, 2025
1-Year Low: REGN 10-day volatility reached a 1-year low of 12.21% on June 25, 2026

10-Day Volatility Chart

Performance

REGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jul 31, 26	43.60%	+2.4%	+172.3%	+6.6%	+166.0%	+85.0%	+179.1%	+224.9%
1-Month Volatility	Jul 31, 26	37.20%	+0.1%	+50.0%	+13.8%	+35.4%	+44.6%	+117.8%	+102.1%
3-Month Volatility	Jul 31, 26	35.78%	+0.8%	+8.6%	+19.6%	-3.2%	-31.6%	+33.1%	+78.9%
1-Year Volatility	Jul 31, 26	33.82%	+0.3%	+3.5%	-12.9%	-18.3%	-12.0%	+1.6%	+18.8%
14-Day RSI	Jul 31, 26	78.05	+4.8%	+70.3%	+106.0%	+27.9%	+64.9%	+41.7%	+47.6%
Beta	Jul 31, 26	0.45	+2.3%	0.0%	-43.0%	-22.4%	-35.7%	-22.4%	-45.1%
ATR	Jul 31, 26	$21.03	+7.4%	+29.9%	-4.9%	+25.7%	+44.2%	+42.2%	+70.7%
Price	Jul 31, 26	$762.63	+3.3%	+22.3%	+7.9%	-1.2%	+39.8%	+2.8%	+32.7%
200-Day SMA	Jul 31, 26	$709.73	+0.1%	+1.5%	+3.9%	+17.6%	+6.2%	-5.6%	+37.7%
50-Day SMA	Jul 31, 26	$643.68	+0.4%	-2.8%	-15.0%	-9.0%	+18.8%	-12.8%	+17.7%
20-Day SMA	Jul 31, 26	$676.29	+0.8%	+9.5%	-9.6%	-9.8%	+21.9%	-6.4%	+16.2%

10-Day Volatility History

Date	Value	Change
Jul 31, 2026	43.60%	+166.0%
Dec 31, 2025	16.39%	-38.5%
Dec 31, 2024	26.64%	+29.5%
Dec 31, 2023	20.57%	+16.5%
Dec 31, 2022	17.66%	-31.5%
Dec 31, 2021	25.79%	+48.0%
Dec 31, 2020	17.42%	+38.4%
Dec 31, 2019	12.59%	-72.9%
Dec 31, 2018	46.50%	+147.3%
Dec 31, 2017	18.80%	-29.5%
Dec 31, 2016	26.65%	+29.7%
Dec 31, 2015	20.54%	-54.0%
Dec 31, 2014	44.70%	+49.1%
Dec 31, 2013	29.97%	+52.9%
Dec 31, 2012	19.60%	-30.8%
Dec 31, 2011	28.31%	+30.3%
Dec 31, 2010	21.72%	-36.3%
Dec 31, 2009	34.12%	-42.1%

Date	Value	Change
Dec 31, 2008	58.98%	+34.7%
Dec 31, 2007	43.78%	+119.4%
Dec 31, 2006	19.95%	-82.7%
Dec 31, 2005	115.18%	+282.1%
Dec 31, 2004	30.14%	-45.6%
Dec 31, 2003	55.41%	+41.5%
Dec 31, 2002	39.15%	+9.1%
Dec 31, 2001	35.88%	-65.9%
Dec 31, 2000	105.16%	-4.4%
Dec 31, 1999	109.99%	+31.3%
Dec 31, 1998	83.77%	+77.8%
Dec 31, 1997	47.11%	-37.3%
Dec 31, 1996	75.13%	+35.6%
Dec 31, 1995	55.39%	-13.4%
Dec 31, 1994	63.98%	+21.9%
Dec 31, 1993	52.47%	-25.5%
Dec 31, 1992	70.47%	+13.7%
Dec 31, 1991	61.96%	-

FAQ

What is the current 10-day volatility of REGN?
As of today, REGN 10-day volatility is 43.60%
What 10-day volatility category does REGN fall into?
Based on its current 10-day historical volatility, REGN falls into the high volatility category
What is REGN 10-day volatility 1-year high?
REGN 10-day volatility reached a 1-year high of 64.15% on November 5, 2025
What is REGN 10-day volatility 1-year low?
REGN 10-day volatility reached a 1-year low of 12.21% on June 25, 2026

1-Month

37.20%

July 31, 2026

Summary

Current Value: As of today, REGN 1-month volatility is 37.20%, up +0.13% on July 31, 2026
Value Category: Based on its current 1-month historical volatility, REGN falls into the moderate volatility category
1-Year High: REGN 1-month volatility reached a 1-year high of 50.29% on October 28, 2025
1-Year Low: REGN 1-month volatility reached a 1-year low of 21.86% on April 22, 2026

Performance

REGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jul 31, 26	37.20%	+0.1%	+50.0%	+13.8%	+35.4%	+44.6%	+117.8%	+102.1%
10-Day Volatility	Jul 31, 26	43.60%	+2.4%	+172.3%	+6.6%	+166.0%	+85.0%	+179.1%	+224.9%
3-Month Volatility	Jul 31, 26	35.78%	+0.8%	+8.6%	+19.6%	-3.2%	-31.6%	+33.1%	+78.9%
1-Year Volatility	Jul 31, 26	33.82%	+0.3%	+3.5%	-12.9%	-18.3%	-12.0%	+1.6%	+18.8%
14-Day RSI	Jul 31, 26	78.05	+4.8%	+70.3%	+106.0%	+27.9%	+64.9%	+41.7%	+47.6%
Beta	Jul 31, 26	0.45	+2.3%	0.0%	-43.0%	-22.4%	-35.7%	-22.4%	-45.1%
ATR	Jul 31, 26	$21.03	+7.4%	+29.9%	-4.9%	+25.7%	+44.2%	+42.2%	+70.7%
Price	Jul 31, 26	$762.63	+3.3%	+22.3%	+7.9%	-1.2%	+39.8%	+2.8%	+32.7%
200-Day SMA	Jul 31, 26	$709.73	+0.1%	+1.5%	+3.9%	+17.6%	+6.2%	-5.6%	+37.7%
50-Day SMA	Jul 31, 26	$643.68	+0.4%	-2.8%	-15.0%	-9.0%	+18.8%	-12.8%	+17.7%
20-Day SMA	Jul 31, 26	$676.29	+0.8%	+9.5%	-9.6%	-9.8%	+21.9%	-6.4%	+16.2%

1-Month Volatility History

Date	Value	Change
Jul 31, 2026	37.20%	+23.8%
Dec 31, 2025	30.05%	+10.6%
Dec 31, 2024	27.17%	+39.5%
Dec 31, 2023	19.48%	-4.1%
Dec 31, 2022	20.32%	-28.2%
Dec 31, 2021	28.30%	+21.4%
Dec 31, 2020	23.32%	+66.5%
Dec 31, 2019	14.01%	-65.7%
Dec 31, 2018	40.82%	+93.1%
Dec 31, 2017	21.14%	-18.6%
Dec 31, 2016	25.98%	-7.6%
Dec 31, 2015	28.12%	-25.2%
Dec 31, 2014	37.60%	+39.7%
Dec 31, 2013	26.92%	+15.3%
Dec 31, 2012	23.35%	-38.5%
Dec 31, 2011	37.97%	+83.7%
Dec 31, 2010	20.67%	-34.5%
Dec 31, 2009	31.56%	-59.3%

Date	Value	Change
Dec 31, 2008	77.52%	+64.0%
Dec 31, 2007	47.27%	+81.0%
Dec 31, 2006	26.11%	-69.7%
Dec 31, 2005	86.10%	+173.9%
Dec 31, 2004	31.44%	-29.9%
Dec 31, 2003	44.84%	-20.7%
Dec 31, 2002	56.57%	+26.6%
Dec 31, 2001	44.70%	-56.1%
Dec 31, 2000	101.76%	-3.2%
Dec 31, 1999	105.08%	+39.8%
Dec 31, 1998	75.17%	+33.1%
Dec 31, 1997	56.49%	-28.8%
Dec 31, 1996	79.29%	+39.8%
Dec 31, 1995	56.71%	-20.8%
Dec 31, 1994	71.61%	+75.9%
Dec 31, 1993	40.71%	-45.3%
Dec 31, 1992	74.41%	+30.0%
Dec 31, 1991	57.22%	-

FAQ

What is the current 1-month volatility of REGN?
As of today, REGN 1-month volatility is 37.20%
What 1-month volatility category does REGN fall into?
Based on its current 1-month historical volatility, REGN falls into the moderate volatility category
What is REGN 1-month volatility 1-year high?
REGN 1-month volatility reached a 1-year high of 50.29% on October 28, 2025
What is REGN 1-month volatility 1-year low?
REGN 1-month volatility reached a 1-year low of 21.86% on April 22, 2026

3-Month

35.78%

July 31, 2026

Summary

Current Value: As of today, REGN 3-month volatility is 35.78%, up +0.82% on July 31, 2026
Value Category: Based on its current 3-month historical volatility, REGN falls into the moderate volatility category
1-Year High: REGN 3-month volatility reached a 1-year high of 52.58% on August 1, 2025
1-Year Low: REGN 3-month volatility reached a 1-year low of 25.62% on September 10, 2025

Performance

REGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jul 31, 26	35.78%	+0.8%	+8.6%	+19.6%	-3.2%	-31.6%	+33.1%	+78.9%
10-Day Volatility	Jul 31, 26	43.60%	+2.4%	+172.3%	+6.6%	+166.0%	+85.0%	+179.1%	+224.9%
1-Month Volatility	Jul 31, 26	37.20%	+0.1%	+50.0%	+13.8%	+35.4%	+44.6%	+117.8%	+102.1%
1-Year Volatility	Jul 31, 26	33.82%	+0.3%	+3.5%	-12.9%	-18.3%	-12.0%	+1.6%	+18.8%
14-Day RSI	Jul 31, 26	78.05	+4.8%	+70.3%	+106.0%	+27.9%	+64.9%	+41.7%	+47.6%
Beta	Jul 31, 26	0.45	+2.3%	0.0%	-43.0%	-22.4%	-35.7%	-22.4%	-45.1%
ATR	Jul 31, 26	$21.03	+7.4%	+29.9%	-4.9%	+25.7%	+44.2%	+42.2%	+70.7%
Price	Jul 31, 26	$762.63	+3.3%	+22.3%	+7.9%	-1.2%	+39.8%	+2.8%	+32.7%
200-Day SMA	Jul 31, 26	$709.73	+0.1%	+1.5%	+3.9%	+17.6%	+6.2%	-5.6%	+37.7%
50-Day SMA	Jul 31, 26	$643.68	+0.4%	-2.8%	-15.0%	-9.0%	+18.8%	-12.8%	+17.7%
20-Day SMA	Jul 31, 26	$676.29	+0.8%	+9.5%	-9.6%	-9.8%	+21.9%	-6.4%	+16.2%

3-Month Volatility History

Date	Value	Change
Jul 31, 2026	35.78%	-7.6%
Dec 31, 2025	38.71%	+40.1%
Dec 31, 2024	27.63%	+47.6%
Dec 31, 2023	18.72%	-29.3%
Dec 31, 2022	26.47%	-14.2%
Dec 31, 2021	30.85%	-3.3%
Dec 31, 2020	31.90%	+31.3%
Dec 31, 2019	24.30%	-36.1%
Dec 31, 2018	38.05%	+64.3%
Dec 31, 2017	23.16%	-45.1%
Dec 31, 2016	42.21%	+33.2%
Dec 31, 2015	31.68%	-15.9%
Dec 31, 2014	37.67%	-4.7%
Dec 31, 2013	39.53%	-18.6%
Dec 31, 2012	48.57%	-8.2%
Dec 31, 2011	52.89%	+11.0%
Dec 31, 2010	47.65%	-11.7%
Dec 31, 2009	53.95%	-39.3%

Date	Value	Change
Dec 31, 2008	88.81%	+31.6%
Dec 31, 2007	67.47%	+52.2%
Dec 31, 2006	44.32%	-46.1%
Dec 31, 2005	82.30%	+100.0%
Dec 31, 2004	41.15%	-31.3%
Dec 31, 2003	59.91%	-9.6%
Dec 31, 2002	66.26%	+10.7%
Dec 31, 2001	59.86%	-45.5%
Dec 31, 2000	109.87%	+32.6%
Dec 31, 1999	82.86%	-3.7%
Dec 31, 1998	86.01%	+30.0%
Dec 31, 1997	66.18%	+6.3%
Dec 31, 1996	62.27%	-1.4%
Dec 31, 1995	63.13%	-8.7%
Dec 31, 1994	69.16%	+54.3%
Dec 31, 1993	44.81%	-36.3%
Dec 31, 1992	70.36%	-7.5%
Dec 31, 1991	76.04%	-

FAQ

What is the current 3-month volatility of REGN?
As of today, REGN 3-month volatility is 35.78%
What 3-month volatility category does REGN fall into?
Based on its current 3-month historical volatility, REGN falls into the moderate volatility category
What is REGN 3-month volatility 1-year high?
REGN 3-month volatility reached a 1-year high of 52.58% on August 1, 2025
What is REGN 3-month volatility 1-year low?
REGN 3-month volatility reached a 1-year low of 25.62% on September 10, 2025

1-Year

33.82%

July 31, 2026

Summary

Current Value: As of today, REGN 1-year volatility is 33.82%, up +0.30% on July 31, 2026
Value Category: Based on its current 1-year historical volatility, REGN falls into the moderate volatility category
1-Year High: REGN 1-year volatility reached a 1-year high of 41.79% on December 11, 2025
1-Year Low: REGN 1-year volatility reached a 1-year low of 32.60% on June 24, 2026

Performance

REGN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jul 31, 26	33.82%	+0.3%	+3.5%	-12.9%	-18.3%	-12.0%	+1.6%	+18.8%
10-Day Volatility	Jul 31, 26	43.60%	+2.4%	+172.3%	+6.6%	+166.0%	+85.0%	+179.1%	+224.9%
1-Month Volatility	Jul 31, 26	37.20%	+0.1%	+50.0%	+13.8%	+35.4%	+44.6%	+117.8%	+102.1%
3-Month Volatility	Jul 31, 26	35.78%	+0.8%	+8.6%	+19.6%	-3.2%	-31.6%	+33.1%	+78.9%
1-Year Volatility	Jul 31, 26	33.82%	+0.3%	+3.5%	-12.9%	-18.3%	-12.0%	+1.6%	+18.8%
14-Day RSI	Jul 31, 26	78.05	+4.8%	+70.3%	+106.0%	+27.9%	+64.9%	+41.7%	+47.6%
Beta	Jul 31, 26	0.45	+2.3%	0.0%	-43.0%	-22.4%	-35.7%	-22.4%	-45.1%
ATR	Jul 31, 26	$21.03	+7.4%	+29.9%	-4.9%	+25.7%	+44.2%	+42.2%	+70.7%
Price	Jul 31, 26	$762.63	+3.3%	+22.3%	+7.9%	-1.2%	+39.8%	+2.8%	+32.7%
200-Day SMA	Jul 31, 26	$709.73	+0.1%	+1.5%	+3.9%	+17.6%	+6.2%	-5.6%	+37.7%
50-Day SMA	Jul 31, 26	$643.68	+0.4%	-2.8%	-15.0%	-9.0%	+18.8%	-12.8%	+17.7%
20-Day SMA	Jul 31, 26	$676.29	+0.8%	+9.5%	-9.6%	-9.8%	+21.9%	-6.4%	+16.2%

1-Year Volatility History

Date	Value	Change
Jul 31, 2026	33.82%	-18.3%
Dec 31, 2025	41.40%	+89.3%
Dec 31, 2024	21.87%	-9.1%
Dec 31, 2023	24.07%	-28.6%
Dec 31, 2022	33.71%	+29.2%
Dec 31, 2021	26.10%	-39.6%
Dec 31, 2020	43.19%	+48.9%
Dec 31, 2019	29.01%	-10.0%
Dec 31, 2018	32.22%	+10.4%
Dec 31, 2017	29.18%	-27.4%
Dec 31, 2016	40.20%	+21.7%
Dec 31, 2015	33.02%	-11.2%
Dec 31, 2014	37.18%	-8.0%
Dec 31, 2013	40.43%	-11.8%
Dec 31, 2012	45.84%	-25.8%
Dec 31, 2011	61.78%	+24.3%
Dec 31, 2010	49.70%	-6.6%
Dec 31, 2009	53.24%	-26.5%

Date	Value	Change
Dec 31, 2008	72.45%	+28.9%
Dec 31, 2007	56.19%	+20.6%
Dec 31, 2006	46.60%	-31.0%
Dec 31, 2005	67.50%	+26.6%
Dec 31, 2004	53.30%	-45.0%
Dec 31, 2003	96.89%	+30.3%
Dec 31, 2002	74.37%	+10.7%
Dec 31, 2001	67.18%	-54.5%
Dec 31, 2000	147.76%	+96.3%
Dec 31, 1999	75.27%	+1.9%
Dec 31, 1998	73.85%	-23.5%
Dec 31, 1997	96.59%	+46.7%
Dec 31, 1996	65.84%	-22.5%
Dec 31, 1995	84.95%	+3.8%
Dec 31, 1994	81.82%	+11.1%
Dec 31, 1993	73.66%	+3.4%
Dec 31, 1992	71.26%	-7.5%
Dec 31, 1991	77.01%	-

FAQ

What is the current 1-year volatility of REGN?
As of today, REGN 1-year volatility is 33.82%
What 1-year volatility category does REGN fall into?
Based on its current 1-year historical volatility, REGN falls into the moderate volatility category
What is REGN 1-year volatility 1-year high?
REGN 1-year volatility reached a 1-year high of 41.79% on December 11, 2025
What is REGN 1-year volatility 1-year low?
REGN 1-year volatility reached a 1-year low of 32.60% on June 24, 2026

Data Sources & References

REGN Official Website www.regeneron.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/872589/000087258926000008/0000872589-26-000008-index.htm
REGN Profile on Yahoo Finance finance.yahoo.com/quote/REGN
REGN Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/regn