What is the current 10-day volatility of BK?

As of today, BK 10-day volatility is 17.69%

What 10-day volatility category does BK fall into?

Based on its current 10-day historical volatility, BK falls into the low volatility category

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

BK 10-day volatility reached a 1-year high of 46.66% on February 13, 2026

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

BK 10-day volatility reached a 1-year low of 8.98% on November 12, 2025

What is the current 1-month volatility of BK?

As of today, BK 1-month volatility is 17.64%

What 1-month volatility category does BK fall into?

Based on its current 1-month historical volatility, BK falls into the low volatility category

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

BK 1-month volatility reached a 1-year high of 37.78% on February 27, 2026

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

BK 1-month volatility reached a 1-year low of 12.13% on May 23, 2025

What is the current 3-month volatility of BK?

As of today, BK 3-month volatility is 19.82%

What 3-month volatility category does BK fall into?

Based on its current 3-month historical volatility, BK falls into the low volatility category

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

BK 3-month volatility reached a 1-year high of 34.82% on May 27, 2025

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

BK 3-month volatility reached a 1-year low of 14.70% on September 29, 2025

What is the current 1-year volatility of BK?

As of today, BK 1-year volatility is 19.75%

What 1-year volatility category does BK fall into?

Based on its current 1-year historical volatility, BK falls into the low volatility category

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

BK 1-year volatility reached a 1-year high of 24.72% on July 3, 2025

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

BK 1-year volatility reached a 1-year low of 19.58% on April 23, 2026

BK Stock Volatility History & Chart Since 1973

10-Day

17.69%

May 20, 2026

Summary

Current Value: As of today, BK 10-day volatility is 17.69%, down -1.61% on May 20, 2026
Value Category: Based on its current 10-day historical volatility, BK falls into the low volatility category
1-Year High: BK 10-day volatility reached a 1-year high of 46.66% on February 13, 2026
1-Year Low: BK 10-day volatility reached a 1-year low of 8.98% on November 12, 2025

10-Day Volatility Chart

Performance

BK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	May 20, 26	17.69%	-1.6%	+11.8%	-60.4%	+40.6%	+58.1%	-25.9%	-3.5%
1-Month Volatility	May 20, 26	17.64%	+0.6%	-6.2%	-47.3%	+11.4%	-4.0%	-30.7%	-7.5%
3-Month Volatility	May 20, 26	19.82%	+0.1%	-23.8%	-20.0%	+12.2%	-42.6%	-37.8%	-17.4%
1-Year Volatility	May 20, 26	19.75%	0.0%	-1.1%	-18.3%	-16.9%	-19.9%	-31.8%	-41.5%
14-Day RSI	May 20, 26	64.49	+2.9%	-19.1%	+38.4%	+15.4%	-13.8%	+52.2%	+18.3%
Beta	May 20, 26	0.84	0.0%	-3.5%	-6.7%	-6.7%	-2.3%	-13.4%	-7.7%
ATR	May 20, 26	$2.79	+0.3%	+2.2%	-14.9%	+62.4%	+42.1%	+166.9%	+169.6%
Price	May 20, 26	$137.16	+0.6%	+1.3%	+16.1%	+18.1%	+52.2%	+235.4%	+171.0%
200-Day SMA	May 20, 26	$115.79	+0.1%	+3.6%	+9.8%	+17.5%	+48.5%	+159.7%	+178.7%
50-Day SMA	May 20, 26	$127.38	+0.3%	+5.5%	+6.8%	+14.0%	+55.8%	+193.8%	+162.8%

10-Day Volatility History

Date	Value	Change
May 20, 2026	17.69%	+40.6%
Dec 31, 2025	12.58%	-40.9%
Dec 31, 2024	21.29%	+80.1%
Dec 31, 2023	11.82%	-15.3%
Dec 31, 2022	13.96%	-26.8%
Dec 31, 2021	19.08%	-9.9%
Dec 31, 2020	21.18%	+80.1%
Dec 31, 2019	11.76%	-67.4%
Dec 31, 2018	36.06%	+351.3%
Dec 31, 2017	7.99%	-24.3%
Dec 31, 2016	10.56%	-57.8%
Dec 31, 2015	25.04%	+44.2%
Dec 31, 2014	17.36%	-2.5%
Dec 31, 2013	17.80%	-21.9%
Dec 31, 2012	22.79%	-39.9%
Dec 31, 2011	37.93%	+132.0%
Dec 31, 2010	16.35%	+22.2%
Dec 31, 2009	13.38%	-74.4%
Dec 31, 2008	52.30%	+153.9%
Dec 31, 2007	20.60%	+108.7%
Dec 31, 2006	9.87%	-23.9%
Dec 31, 2005	12.97%	+5.6%
Dec 31, 2004	12.28%	-29.9%
Dec 31, 2003	17.52%	-80.3%
Dec 31, 2002	89.02%	+471.4%
Dec 31, 2001	15.58%	-48.2%
Dec 31, 2000	30.09%	+0.8%

Date	Value	Change
Dec 31, 1999	29.86%	-5.4%
Dec 31, 1998	31.57%	-25.9%
Dec 31, 1997	42.63%	+8.4%
Dec 31, 1996	39.31%	+69.4%
Dec 31, 1995	23.21%	-11.5%
Dec 31, 1994	26.23%	+79.8%
Dec 31, 1993	14.59%	-47.0%
Dec 31, 1992	27.53%	-57.4%
Dec 31, 1991	64.62%	+31.6%
Dec 31, 1990	49.09%	+33.8%
Dec 31, 1989	36.68%	+400.4%
Dec 31, 1988	7.33%	-86.3%
Dec 31, 1987	53.46%	+879.1%
Dec 31, 1986	5.46%	-72.3%
Dec 31, 1985	19.69%	-35.8%
Dec 31, 1984	30.65%	+78.9%
Dec 31, 1983	17.13%	+9.5%
Dec 31, 1982	15.65%	-31.1%
Dec 31, 1981	22.71%	-30.3%
Dec 31, 1980	32.57%	+97.9%
Dec 31, 1979	16.46%	-14.4%
Dec 31, 1978	19.24%	+60.6%
Dec 31, 1977	11.98%	-42.5%
Dec 31, 1976	20.85%	-20.5%
Dec 31, 1975	26.21%	-10.5%
Dec 31, 1974	29.29%	+171.5%
Dec 31, 1973	10.79%	-

FAQ

What is the current 10-day volatility of BK?
As of today, BK 10-day volatility is 17.69%
What 10-day volatility category does BK fall into?
Based on its current 10-day historical volatility, BK falls into the low volatility category
What is BK 10-day volatility 1-year high?
BK 10-day volatility reached a 1-year high of 46.66% on February 13, 2026
What is BK 10-day volatility 1-year low?
BK 10-day volatility reached a 1-year low of 8.98% on November 12, 2025

1-Month

17.64%

May 20, 2026

Summary

Current Value: As of today, BK 1-month volatility is 17.64%, up +0.57% on May 20, 2026
Value Category: Based on its current 1-month historical volatility, BK falls into the low volatility category
1-Year High: BK 1-month volatility reached a 1-year high of 37.78% on February 27, 2026
1-Year Low: BK 1-month volatility reached a 1-year low of 12.13% on May 23, 2025

Performance

BK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	May 20, 26	17.64%	+0.6%	-6.2%	-47.3%	+11.4%	-4.0%	-30.7%	-7.5%
10-Day Volatility	May 20, 26	17.69%	-1.6%	+11.8%	-60.4%	+40.6%	+58.1%	-25.9%	-3.5%
3-Month Volatility	May 20, 26	19.82%	+0.1%	-23.8%	-20.0%	+12.2%	-42.6%	-37.8%	-17.4%
1-Year Volatility	May 20, 26	19.75%	0.0%	-1.1%	-18.3%	-16.9%	-19.9%	-31.8%	-41.5%
14-Day RSI	May 20, 26	64.49	+2.9%	-19.1%	+38.4%	+15.4%	-13.8%	+52.2%	+18.3%
Beta	May 20, 26	0.84	0.0%	-3.5%	-6.7%	-6.7%	-2.3%	-13.4%	-7.7%
ATR	May 20, 26	$2.79	+0.3%	+2.2%	-14.9%	+62.4%	+42.1%	+166.9%	+169.6%
Price	May 20, 26	$137.16	+0.6%	+1.3%	+16.1%	+18.1%	+52.2%	+235.4%	+171.0%
200-Day SMA	May 20, 26	$115.79	+0.1%	+3.6%	+9.8%	+17.5%	+48.5%	+159.7%	+178.7%
50-Day SMA	May 20, 26	$127.38	+0.3%	+5.5%	+6.8%	+14.0%	+55.8%	+193.8%	+162.8%

1-Month Volatility History

Date	Value	Change
May 20, 2026	17.64%	+13.7%
Dec 31, 2025	15.52%	-9.2%
Dec 31, 2024	17.10%	+6.0%
Dec 31, 2023	16.13%	-35.6%
Dec 31, 2022	25.06%	+6.5%
Dec 31, 2021	23.54%	+18.2%
Dec 31, 2020	19.91%	+15.7%
Dec 31, 2019	17.21%	-43.2%
Dec 31, 2018	30.32%	+194.7%
Dec 31, 2017	10.29%	-35.4%
Dec 31, 2016	15.92%	-44.5%
Dec 31, 2015	28.69%	+71.3%
Dec 31, 2014	16.75%	-1.4%
Dec 31, 2013	16.98%	-6.0%
Dec 31, 2012	18.07%	-51.9%
Dec 31, 2011	37.60%	+154.7%
Dec 31, 2010	14.76%	-7.2%
Dec 31, 2009	15.90%	-83.1%
Dec 31, 2008	94.06%	+259.7%
Dec 31, 2007	26.15%	-40.0%
Dec 31, 2006	43.56%	+217.3%
Dec 31, 2005	13.73%	+32.4%
Dec 31, 2004	10.37%	-41.5%
Dec 31, 2003	17.73%	-72.3%
Dec 31, 2002	64.12%	+139.4%
Dec 31, 2001	26.78%	-12.4%
Dec 31, 2000	30.57%	-46.0%

Date	Value	Change
Dec 31, 1999	56.66%	+37.8%
Dec 31, 1998	41.12%	+23.4%
Dec 31, 1997	33.31%	+1.1%
Dec 31, 1996	32.94%	+40.2%
Dec 31, 1995	23.49%	-18.6%
Dec 31, 1994	28.87%	+134.7%
Dec 31, 1993	12.30%	-48.9%
Dec 31, 1992	24.06%	-61.7%
Dec 31, 1991	62.83%	-1.7%
Dec 31, 1990	63.92%	+97.3%
Dec 31, 1989	32.40%	+131.4%
Dec 31, 1988	14.00%	-71.2%
Dec 31, 1987	48.56%	+114.4%
Dec 31, 1986	22.65%	+11.5%
Dec 31, 1985	20.32%	-12.6%
Dec 31, 1984	23.24%	+47.4%
Dec 31, 1983	15.77%	-2.4%
Dec 31, 1982	16.16%	-29.2%
Dec 31, 1981	22.83%	-18.6%
Dec 31, 1980	28.04%	+29.1%
Dec 31, 1979	21.72%	+17.9%
Dec 31, 1978	18.42%	+14.7%
Dec 31, 1977	16.06%	-41.7%
Dec 31, 1976	27.56%	-8.4%
Dec 31, 1975	30.08%	+4.4%
Dec 31, 1974	28.80%	+130.6%
Dec 31, 1973	12.49%	-

FAQ

What is the current 1-month volatility of BK?
As of today, BK 1-month volatility is 17.64%
What 1-month volatility category does BK fall into?
Based on its current 1-month historical volatility, BK falls into the low volatility category
What is BK 1-month volatility 1-year high?
BK 1-month volatility reached a 1-year high of 37.78% on February 27, 2026
What is BK 1-month volatility 1-year low?
BK 1-month volatility reached a 1-year low of 12.13% on May 23, 2025

3-Month

19.82%

May 20, 2026

Summary

Current Value: As of today, BK 3-month volatility is 19.82%, up +0.05% on May 20, 2026
Value Category: Based on its current 3-month historical volatility, BK falls into the low volatility category
1-Year High: BK 3-month volatility reached a 1-year high of 34.82% on May 27, 2025
1-Year Low: BK 3-month volatility reached a 1-year low of 14.70% on September 29, 2025

Performance

BK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	May 20, 26	19.82%	+0.1%	-23.8%	-20.0%	+12.2%	-42.6%	-37.8%	-17.4%
10-Day Volatility	May 20, 26	17.69%	-1.6%	+11.8%	-60.4%	+40.6%	+58.1%	-25.9%	-3.5%
1-Month Volatility	May 20, 26	17.64%	+0.6%	-6.2%	-47.3%	+11.4%	-4.0%	-30.7%	-7.5%
1-Year Volatility	May 20, 26	19.75%	0.0%	-1.1%	-18.3%	-16.9%	-19.9%	-31.8%	-41.5%
14-Day RSI	May 20, 26	64.49	+2.9%	-19.1%	+38.4%	+15.4%	-13.8%	+52.2%	+18.3%
Beta	May 20, 26	0.84	0.0%	-3.5%	-6.7%	-6.7%	-2.3%	-13.4%	-7.7%
ATR	May 20, 26	$2.79	+0.3%	+2.2%	-14.9%	+62.4%	+42.1%	+166.9%	+169.6%
Price	May 20, 26	$137.16	+0.6%	+1.3%	+16.1%	+18.1%	+52.2%	+235.4%	+171.0%
200-Day SMA	May 20, 26	$115.79	+0.1%	+3.6%	+9.8%	+17.5%	+48.5%	+159.7%	+178.7%
50-Day SMA	May 20, 26	$127.38	+0.3%	+5.5%	+6.8%	+14.0%	+55.8%	+193.8%	+162.8%

3-Month Volatility History

Date	Value	Change
May 20, 2026	19.82%	+10.0%
Dec 31, 2025	18.01%	+0.2%
Dec 31, 2024	17.97%	-5.7%
Dec 31, 2023	19.05%	-39.7%
Dec 31, 2022	31.61%	+35.7%
Dec 31, 2021	23.30%	-37.6%
Dec 31, 2020	37.35%	+112.1%
Dec 31, 2019	17.61%	-29.8%
Dec 31, 2018	25.08%	+83.3%
Dec 31, 2017	13.68%	-30.9%
Dec 31, 2016	19.79%	-19.0%
Dec 31, 2015	24.44%	+44.7%
Dec 31, 2014	16.89%	-8.6%
Dec 31, 2013	18.48%	-21.7%
Dec 31, 2012	23.61%	-54.3%
Dec 31, 2011	51.71%	+125.8%
Dec 31, 2010	22.90%	-27.1%
Dec 31, 2009	31.42%	-75.8%
Dec 31, 2008	130.08%	+310.5%
Dec 31, 2007	31.69%	+18.4%
Dec 31, 2006	26.77%	+94.3%
Dec 31, 2005	13.78%	-16.8%
Dec 31, 2004	16.57%	-22.1%
Dec 31, 2003	21.27%	-67.7%
Dec 31, 2002	65.79%	+94.8%
Dec 31, 2001	33.78%	-9.8%
Dec 31, 2000	37.45%	-27.6%

Date	Value	Change
Dec 31, 1999	51.76%	+28.5%
Dec 31, 1998	40.29%	+19.5%
Dec 31, 1997	33.72%	+23.0%
Dec 31, 1996	27.42%	+14.1%
Dec 31, 1995	24.04%	-11.9%
Dec 31, 1994	27.30%	+32.9%
Dec 31, 1993	20.54%	+2.8%
Dec 31, 1992	19.98%	-59.2%
Dec 31, 1991	48.93%	-23.6%
Dec 31, 1990	64.05%	+115.2%
Dec 31, 1989	29.76%	+91.0%
Dec 31, 1988	15.58%	-75.8%
Dec 31, 1987	64.40%	+205.9%
Dec 31, 1986	21.05%	+12.4%
Dec 31, 1985	18.72%	-25.6%
Dec 31, 1984	25.16%	+9.4%
Dec 31, 1983	22.99%	-16.6%
Dec 31, 1982	27.57%	-12.3%
Dec 31, 1981	31.44%	+39.1%
Dec 31, 1980	22.60%	-34.8%
Dec 31, 1979	34.65%	+36.1%
Dec 31, 1978	25.46%	+58.0%
Dec 31, 1977	16.11%	-26.8%
Dec 31, 1976	22.01%	-26.5%
Dec 31, 1975	29.93%	+1.3%
Dec 31, 1974	29.55%	+51.2%
Dec 31, 1973	19.54%	-

FAQ

What is the current 3-month volatility of BK?
As of today, BK 3-month volatility is 19.82%
What 3-month volatility category does BK fall into?
Based on its current 3-month historical volatility, BK falls into the low volatility category
What is BK 3-month volatility 1-year high?
BK 3-month volatility reached a 1-year high of 34.82% on May 27, 2025
What is BK 3-month volatility 1-year low?
BK 3-month volatility reached a 1-year low of 14.70% on September 29, 2025

1-Year

19.75%

May 20, 2026

Summary

Current Value: As of today, BK 1-year volatility is 19.75%, unchanged on May 20, 2026
Value Category: Based on its current 1-year historical volatility, BK falls into the low volatility category
1-Year High: BK 1-year volatility reached a 1-year high of 24.72% on July 3, 2025
1-Year Low: BK 1-year volatility reached a 1-year low of 19.58% on April 23, 2026

Performance

BK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	May 20, 26	19.75%	0.0%	-1.1%	-18.3%	-16.9%	-19.9%	-31.8%	-41.5%
10-Day Volatility	May 20, 26	17.69%	-1.6%	+11.8%	-60.4%	+40.6%	+58.1%	-25.9%	-3.5%
1-Month Volatility	May 20, 26	17.64%	+0.6%	-6.2%	-47.3%	+11.4%	-4.0%	-30.7%	-7.5%
3-Month Volatility	May 20, 26	19.82%	+0.1%	-23.8%	-20.0%	+12.2%	-42.6%	-37.8%	-17.4%
1-Year Volatility	May 20, 26	19.75%	0.0%	-1.1%	-18.3%	-16.9%	-19.9%	-31.8%	-41.5%
14-Day RSI	May 20, 26	64.49	+2.9%	-19.1%	+38.4%	+15.4%	-13.8%	+52.2%	+18.3%
Beta	May 20, 26	0.84	0.0%	-3.5%	-6.7%	-6.7%	-2.3%	-13.4%	-7.7%
ATR	May 20, 26	$2.79	+0.3%	+2.2%	-14.9%	+62.4%	+42.1%	+166.9%	+169.6%
Price	May 20, 26	$137.16	+0.6%	+1.3%	+16.1%	+18.1%	+52.2%	+235.4%	+171.0%
200-Day SMA	May 20, 26	$115.79	+0.1%	+3.6%	+9.8%	+17.5%	+48.5%	+159.7%	+178.7%
50-Day SMA	May 20, 26	$127.38	+0.3%	+5.5%	+6.8%	+14.0%	+55.8%	+193.8%	+162.8%

1-Year Volatility History

Date	Value	Change
May 20, 2026	19.75%	-16.9%
Dec 31, 2025	23.76%	+34.5%
Dec 31, 2024	17.66%	-26.6%
Dec 31, 2023	24.05%	-23.7%
Dec 31, 2022	31.52%	+22.5%
Dec 31, 2021	25.73%	-47.2%
Dec 31, 2020	48.72%	+116.5%
Dec 31, 2019	22.50%	-3.7%
Dec 31, 2018	23.37%	+58.7%
Dec 31, 2017	14.73%	-41.3%
Dec 31, 2016	25.11%	+7.4%
Dec 31, 2015	23.37%	+36.3%
Dec 31, 2014	17.15%	-13.9%
Dec 31, 2013	19.93%	-23.1%
Dec 31, 2012	25.92%	-32.9%
Dec 31, 2011	38.62%	+43.0%
Dec 31, 2010	27.00%	-60.8%
Dec 31, 2009	68.85%	-22.9%
Dec 31, 2008	89.28%	+231.6%
Dec 31, 2007	26.92%	+28.2%
Dec 31, 2006	21.00%	+18.9%
Dec 31, 2005	17.66%	-13.3%
Dec 31, 2004	20.38%	-26.8%
Dec 31, 2003	27.83%	-39.9%
Dec 31, 2002	46.28%	+22.6%
Dec 31, 2001	37.74%	-22.9%
Dec 31, 2000	48.94%	+16.3%

Date	Value	Change
Dec 31, 1999	42.08%	+14.0%
Dec 31, 1998	36.92%	+13.4%
Dec 31, 1997	32.55%	+33.0%
Dec 31, 1996	24.48%	-7.0%
Dec 31, 1995	26.31%	+14.5%
Dec 31, 1994	22.98%	+0.3%
Dec 31, 1993	22.91%	-15.2%
Dec 31, 1992	27.01%	-37.2%
Dec 31, 1991	43.04%	-2.2%
Dec 31, 1990	44.01%	+93.0%
Dec 31, 1989	22.80%	-1.1%
Dec 31, 1988	23.05%	-39.6%
Dec 31, 1987	38.15%	+76.9%
Dec 31, 1986	21.57%	-3.1%
Dec 31, 1985	22.26%	-8.4%
Dec 31, 1984	24.29%	+7.3%
Dec 31, 1983	22.64%	-11.8%
Dec 31, 1982	25.68%	+6.4%
Dec 31, 1981	24.14%	+1.7%
Dec 31, 1980	23.74%	-6.3%
Dec 31, 1979	25.33%	+21.4%
Dec 31, 1978	20.87%	+34.9%
Dec 31, 1977	15.47%	-20.3%
Dec 31, 1976	19.42%	-19.8%
Dec 31, 1975	24.20%	-18.9%
Dec 31, 1974	29.83%	+81.6%
Dec 31, 1973	16.43%	-

FAQ

What is the current 1-year volatility of BK?
As of today, BK 1-year volatility is 19.75%
What 1-year volatility category does BK fall into?
Based on its current 1-year historical volatility, BK falls into the low volatility category
What is BK 1-year volatility 1-year high?
BK 1-year volatility reached a 1-year high of 24.72% on July 3, 2025
What is BK 1-year volatility 1-year low?
BK 1-year volatility reached a 1-year low of 19.58% on April 23, 2026

Data Sources & References

BK Official Website www.bny.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1390777/000139077726000004/0001390777-26-000004-index.htm
BK Profile on Yahoo Finance finance.yahoo.com/quote/BK
BK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/bk