What is the current 10-day volatility of MUA?

As of today, MUA 10-day volatility is 7.54%

What 10-day volatility category does MUA fall into?

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

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

MUA 10-day volatility reached a 1-year high of 24.82% on September 24, 2025

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

MUA 10-day volatility reached a 1-year low of 3.03% on February 11, 2026

What is the current 1-month volatility of MUA?

As of today, MUA 1-month volatility is 9.59%

What 1-month volatility category does MUA fall into?

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

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

MUA 1-month volatility reached a 1-year high of 22.01% on September 26, 2025

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

MUA 1-month volatility reached a 1-year low of 4.46% on February 20, 2026

What is the current 3-month volatility of MUA?

As of today, MUA 3-month volatility is 9.66%

What 3-month volatility category does MUA fall into?

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

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

MUA 3-month volatility reached a 1-year high of 16.98% on December 4, 2025

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

MUA 3-month volatility reached a 1-year low of 7.75% on March 17, 2026

What is the current 1-year volatility of MUA?

As of today, MUA 1-year volatility is 12.28%

What 1-year volatility category does MUA fall into?

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

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

MUA 1-year volatility reached a 1-year high of 16.01% on October 9, 2025

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

MUA 1-year volatility reached a 1-year low of 12.27% on September 9, 2026

MUA Stock Volatility History & Chart Since 1993

10-Day

7.54%

September 10, 2026

Summary

Current Value: As of today, MUA 10-day volatility is 7.54%, up +22.01% on September 10, 2026
Value Category: Based on its current 10-day historical volatility, MUA falls into the very low volatility category
1-Year High: MUA 10-day volatility reached a 1-year high of 24.82% on September 24, 2025
1-Year Low: MUA 10-day volatility reached a 1-year low of 3.03% on February 11, 2026

10-Day Volatility Chart

Performance

MUA Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 10, 26	7.54%	+22.0%	-43.6%	+15.1%	-21.7%	-53.5%	+27.1%	-7.6%
	Sep 10, 26	9.59%	+3.7%	-6.4%	-3.3%	-44.2%	-28.1%	+0.2%	+22.3%
	Sep 10, 26	9.66%	+0.9%	-1.3%	-25.5%	-31.3%	-8.9%	-15.3%	-36.2%
	Sep 10, 26	12.28%	+0.1%	-3.4%	-2.0%	-14.7%	-19.8%	-23.0%	-15.1%
	Sep 10, 26	25.73	-14.9%	-23.9%	-51.7%	-46.3%	-69.6%	-23.8%	-53.0%
	Sep 10, 26	0.35	0.0%	+6.1%	-2.8%	+25.0%	+16.7%	+2.9%	+29.6%
	Sep 10, 26	$0.09	+4.1%	-17.0%	-15.9%	-50.1%	-41.2%	-23.2%	-55.1%
Price	Sep 10, 26	$9.77	-0.7%	-4.2%	-8.8%	-8.8%	-14.3%	+1.8%	-40.0%
	Sep 10, 26	$10.67	-0.0%	-0.9%	-1.6%	+0.7%	-0.6%	+2.4%	-31.3%
	Sep 10, 26	$10.33	-0.2%	-3.0%	-3.0%	-4.2%	-1.7%	+3.3%	-36.7%
	Sep 10, 26	-	–	–	–	–	–	–	–

10-Day Volatility History

Date	Value	Change
Sep 10, 2026	7.54%	-21.7%
Dec 31, 2025	9.63%	-32.9%
Dec 31, 2024	14.36%	+24.0%
Dec 31, 2023	11.58%	-36.0%
Dec 31, 2022	18.08%	+40.9%
Dec 31, 2021	12.83%	+53.7%
Dec 31, 2020	8.35%	-20.2%
Dec 31, 2019	10.46%	+3.5%
Dec 31, 2018	10.11%	+16.5%
Dec 31, 2017	8.68%	+56.7%
Dec 31, 2016	5.54%	-55.6%
Dec 31, 2015	12.47%	+176.5%
Dec 31, 2014	4.51%	-57.6%
Dec 31, 2013	10.63%	-39.0%
Dec 31, 2012	17.43%	+29.9%
Dec 31, 2011	13.42%	-45.8%
Dec 31, 2010	24.77%	+95.5%

Date	Value	Change
Dec 31, 2009	12.67%	-58.8%
Dec 31, 2008	30.72%	+223.0%
Dec 31, 2007	9.51%	+58.0%
Dec 31, 2006	6.02%	-49.0%
Dec 31, 2005	11.81%	-2.5%
Dec 31, 2004	12.11%	+56.7%
Dec 31, 2003	7.73%	-18.6%
Dec 31, 2002	9.50%	+27.7%
Dec 31, 2001	7.44%	-34.3%
Dec 31, 2000	11.33%	-2.8%
Dec 31, 1999	11.66%	-14.5%
Dec 31, 1998	13.64%	+83.6%
Dec 31, 1997	7.43%	-2.2%
Dec 31, 1996	7.60%	-58.5%
Dec 31, 1995	18.32%	-4.0%
Dec 31, 1994	19.09%	+7.4%
Dec 31, 1993	17.77%	-

FAQ

What is the current 10-day volatility of MUA?: As of today, MUA 10-day volatility is 7.54%
What 10-day volatility category does MUA fall into?: Based on its current 10-day historical volatility, MUA falls into the very low volatility category
What is MUA 10-day volatility 1-year high?: MUA 10-day volatility reached a 1-year high of 24.82% on September 24, 2025
What is MUA 10-day volatility 1-year low?: MUA 10-day volatility reached a 1-year low of 3.03% on February 11, 2026

1-Month

9.59%

September 10, 2026

Summary

Current Value: As of today, MUA 1-month volatility is 9.59%, up +3.68% on September 10, 2026
Value Category: Based on its current 1-month historical volatility, MUA falls into the very low volatility category
1-Year High: MUA 1-month volatility reached a 1-year high of 22.01% on September 26, 2025
1-Year Low: MUA 1-month volatility reached a 1-year low of 4.46% on February 20, 2026

Performance

MUA Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 10, 26	9.59%	+3.7%	-6.4%	-3.3%	-44.2%	-28.1%	+0.2%	+22.3%
	Sep 10, 26	7.54%	+22.0%	-43.6%	+15.1%	-21.7%	-53.5%	+27.1%	-7.6%
	Sep 10, 26	9.66%	+0.9%	-1.3%	-25.5%	-31.3%	-8.9%	-15.3%	-36.2%
	Sep 10, 26	12.28%	+0.1%	-3.4%	-2.0%	-14.7%	-19.8%	-23.0%	-15.1%
	Sep 10, 26	25.73	-14.9%	-23.9%	-51.7%	-46.3%	-69.6%	-23.8%	-53.0%
	Sep 10, 26	0.35	0.0%	+6.1%	-2.8%	+25.0%	+16.7%	+2.9%	+29.6%
	Sep 10, 26	$0.09	+4.1%	-17.0%	-15.9%	-50.1%	-41.2%	-23.2%	-55.1%
Price	Sep 10, 26	$9.77	-0.7%	-4.2%	-8.8%	-8.8%	-14.3%	+1.8%	-40.0%
	Sep 10, 26	$10.67	-0.0%	-0.9%	-1.6%	+0.7%	-0.6%	+2.4%	-31.3%
	Sep 10, 26	$10.33	-0.2%	-3.0%	-3.0%	-4.2%	-1.7%	+3.3%	-36.7%
	Sep 10, 26	-	–	–	–	–	–	–	–

1-Month Volatility History

Date	Value	Change
Sep 10, 2026	9.59%	-43.1%
Dec 31, 2025	16.85%	+35.3%
Dec 31, 2024	12.45%	-14.5%
Dec 31, 2023	14.56%	-28.7%
Dec 31, 2022	20.42%	+42.8%
Dec 31, 2021	14.30%	+6.1%
Dec 31, 2020	13.48%	+29.4%
Dec 31, 2019	10.42%	-41.4%
Dec 31, 2018	17.78%	+96.0%
Dec 31, 2017	9.07%	-27.1%
Dec 31, 2016	12.44%	+0.2%
Dec 31, 2015	12.41%	+123.6%
Dec 31, 2014	5.55%	-41.9%
Dec 31, 2013	9.56%	-32.2%
Dec 31, 2012	14.10%	+39.9%
Dec 31, 2011	10.08%	-52.0%
Dec 31, 2010	20.98%	+72.1%

Date	Value	Change
Dec 31, 2009	12.19%	-65.2%
Dec 31, 2008	34.99%	+252.7%
Dec 31, 2007	9.92%	-27.7%
Dec 31, 2006	13.72%	+35.0%
Dec 31, 2005	10.16%	-15.1%
Dec 31, 2004	11.97%	+75.3%
Dec 31, 2003	6.83%	-38.2%
Dec 31, 2002	11.06%	+13.3%
Dec 31, 2001	9.76%	-35.9%
Dec 31, 2000	15.22%	+2.3%
Dec 31, 1999	14.88%	+21.7%
Dec 31, 1998	12.23%	+23.3%
Dec 31, 1997	9.92%	-31.2%
Dec 31, 1996	14.41%	-18.2%
Dec 31, 1995	17.62%	-15.7%
Dec 31, 1994	20.89%	-3.1%
Dec 31, 1993	21.55%	-

FAQ

What is the current 1-month volatility of MUA?: As of today, MUA 1-month volatility is 9.59%
What 1-month volatility category does MUA fall into?: Based on its current 1-month historical volatility, MUA falls into the very low volatility category
What is MUA 1-month volatility 1-year high?: MUA 1-month volatility reached a 1-year high of 22.01% on September 26, 2025
What is MUA 1-month volatility 1-year low?: MUA 1-month volatility reached a 1-year low of 4.46% on February 20, 2026

3-Month

9.66%

September 10, 2026

Summary

Current Value: As of today, MUA 3-month volatility is 9.66%, up +0.94% on September 10, 2026
Value Category: Based on its current 3-month historical volatility, MUA falls into the very low volatility category
1-Year High: MUA 3-month volatility reached a 1-year high of 16.98% on December 4, 2025
1-Year Low: MUA 3-month volatility reached a 1-year low of 7.75% on March 17, 2026

Performance

MUA Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 10, 26	9.66%	+0.9%	-1.3%	-25.5%	-31.3%	-8.9%	-15.3%	-36.2%
	Sep 10, 26	7.54%	+22.0%	-43.6%	+15.1%	-21.7%	-53.5%	+27.1%	-7.6%
	Sep 10, 26	9.59%	+3.7%	-6.4%	-3.3%	-44.2%	-28.1%	+0.2%	+22.3%
	Sep 10, 26	12.28%	+0.1%	-3.4%	-2.0%	-14.7%	-19.8%	-23.0%	-15.1%
	Sep 10, 26	25.73	-14.9%	-23.9%	-51.7%	-46.3%	-69.6%	-23.8%	-53.0%
	Sep 10, 26	0.35	0.0%	+6.1%	-2.8%	+25.0%	+16.7%	+2.9%	+29.6%
	Sep 10, 26	$0.09	+4.1%	-17.0%	-15.9%	-50.1%	-41.2%	-23.2%	-55.1%
Price	Sep 10, 26	$9.77	-0.7%	-4.2%	-8.8%	-8.8%	-14.3%	+1.8%	-40.0%
	Sep 10, 26	$10.67	-0.0%	-0.9%	-1.6%	+0.7%	-0.6%	+2.4%	-31.3%
	Sep 10, 26	$10.33	-0.2%	-3.0%	-3.0%	-4.2%	-1.7%	+3.3%	-36.7%
	Sep 10, 26	-	–	–	–	–	–	–	–

3-Month Volatility History

Date	Value	Change
Sep 10, 2026	9.66%	-31.4%
Dec 31, 2025	14.09%	-25.1%
Dec 31, 2024	18.82%	+22.8%
Dec 31, 2023	15.33%	-25.3%
Dec 31, 2022	20.52%	+51.0%
Dec 31, 2021	13.59%	+18.6%
Dec 31, 2020	11.46%	-24.0%
Dec 31, 2019	15.08%	+20.0%
Dec 31, 2018	12.57%	+24.8%
Dec 31, 2017	10.07%	-34.0%
Dec 31, 2016	15.26%	+45.7%
Dec 31, 2015	10.47%	+48.1%
Dec 31, 2014	7.07%	-30.6%
Dec 31, 2013	10.18%	-26.9%
Dec 31, 2012	13.92%	+48.2%
Dec 31, 2011	9.39%	-48.8%
Dec 31, 2010	18.34%	+5.6%

Date	Value	Change
Dec 31, 2009	17.37%	-66.0%
Dec 31, 2008	51.04%	+356.5%
Dec 31, 2007	11.18%	+17.9%
Dec 31, 2006	9.48%	-5.1%
Dec 31, 2005	9.99%	-18.2%
Dec 31, 2004	12.21%	+96.9%
Dec 31, 2003	6.20%	-56.3%
Dec 31, 2002	14.18%	-4.7%
Dec 31, 2001	14.88%	+19.6%
Dec 31, 2000	12.44%	-24.0%
Dec 31, 1999	16.37%	+47.2%
Dec 31, 1998	11.12%	-0.8%
Dec 31, 1997	11.21%	-11.7%
Dec 31, 1996	12.69%	-18.2%
Dec 31, 1995	15.52%	-39.5%
Dec 31, 1994	25.65%	+45.7%
Dec 31, 1993	17.61%	-

FAQ

What is the current 3-month volatility of MUA?: As of today, MUA 3-month volatility is 9.66%
What 3-month volatility category does MUA fall into?: Based on its current 3-month historical volatility, MUA falls into the very low volatility category
What is MUA 3-month volatility 1-year high?: MUA 3-month volatility reached a 1-year high of 16.98% on December 4, 2025
What is MUA 3-month volatility 1-year low?: MUA 3-month volatility reached a 1-year low of 7.75% on March 17, 2026

1-Year

12.28%

September 10, 2026

Summary

Current Value: As of today, MUA 1-year volatility is 12.28%, up +0.08% on September 10, 2026
Value Category: Based on its current 1-year historical volatility, MUA falls into the very low volatility category
1-Year High: MUA 1-year volatility reached a 1-year high of 16.01% on October 9, 2025
1-Year Low: MUA 1-year volatility reached a 1-year low of 12.27% on September 9, 2026

Performance

MUA Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 10, 26	12.28%	+0.1%	-3.4%	-2.0%	-14.7%	-19.8%	-23.0%	-15.1%
	Sep 10, 26	7.54%	+22.0%	-43.6%	+15.1%	-21.7%	-53.5%	+27.1%	-7.6%
	Sep 10, 26	9.59%	+3.7%	-6.4%	-3.3%	-44.2%	-28.1%	+0.2%	+22.3%
	Sep 10, 26	9.66%	+0.9%	-1.3%	-25.5%	-31.3%	-8.9%	-15.3%	-36.2%
	Sep 10, 26	12.28%	+0.1%	-3.4%	-2.0%	-14.7%	-19.8%	-23.0%	-15.1%
	Sep 10, 26	25.73	-14.9%	-23.9%	-51.7%	-46.3%	-69.6%	-23.8%	-53.0%
	Sep 10, 26	0.35	0.0%	+6.1%	-2.8%	+25.0%	+16.7%	+2.9%	+29.6%
	Sep 10, 26	$0.09	+4.1%	-17.0%	-15.9%	-50.1%	-41.2%	-23.2%	-55.1%
Price	Sep 10, 26	$9.77	-0.7%	-4.2%	-8.8%	-8.8%	-14.3%	+1.8%	-40.0%
	Sep 10, 26	$10.67	-0.0%	-0.9%	-1.6%	+0.7%	-0.6%	+2.4%	-31.3%
	Sep 10, 26	$10.33	-0.2%	-3.0%	-3.0%	-4.2%	-1.7%	+3.3%	-36.7%
	Sep 10, 26	-	–	–	–	–	–	–	–

1-Year Volatility History

Date	Value	Change
Sep 10, 2026	12.28%	-14.7%
Dec 31, 2025	14.39%	-0.8%
Dec 31, 2024	14.50%	+5.2%
Dec 31, 2023	13.78%	-38.6%
Dec 31, 2022	22.43%	+45.0%
Dec 31, 2021	15.47%	-47.7%
Dec 31, 2020	29.58%	+113.9%
Dec 31, 2019	13.83%	+66.8%
Dec 31, 2018	8.29%	-3.3%
Dec 31, 2017	8.57%	-27.6%
Dec 31, 2016	11.83%	+21.7%
Dec 31, 2015	9.72%	+22.4%
Dec 31, 2014	7.94%	-44.6%
Dec 31, 2013	14.32%	+25.7%
Dec 31, 2012	11.39%	-2.9%
Dec 31, 2011	11.73%	+0.6%
Dec 31, 2010	11.66%	-44.6%

Date	Value	Change
Dec 31, 2009	21.06%	-32.6%
Dec 31, 2008	31.25%	+172.2%
Dec 31, 2007	11.48%	+29.9%
Dec 31, 2006	8.84%	-12.7%
Dec 31, 2005	10.13%	-8.9%
Dec 31, 2004	11.12%	+10.6%
Dec 31, 2003	10.05%	-7.1%
Dec 31, 2002	10.82%	-6.2%
Dec 31, 2001	11.53%	-14.2%
Dec 31, 2000	13.44%	+5.6%
Dec 31, 1999	12.73%	+19.6%
Dec 31, 1998	10.64%	-10.9%
Dec 31, 1997	11.94%	-16.5%
Dec 31, 1996	14.30%	-13.8%
Dec 31, 1995	16.59%	-23.7%
Dec 31, 1994	21.73%	+44.1%
Dec 31, 1993	15.08%	-

FAQ

What is the current 1-year volatility of MUA?: As of today, MUA 1-year volatility is 12.28%
What 1-year volatility category does MUA fall into?: Based on its current 1-year historical volatility, MUA falls into the very low volatility category
What is MUA 1-year volatility 1-year high?: MUA 1-year volatility reached a 1-year high of 16.01% on October 9, 2025
What is MUA 1-year volatility 1-year low?: MUA 1-year volatility reached a 1-year low of 12.27% on September 9, 2026

Data Sources & References

MUA Official Website www.blackrock.com/investing/products/240224/blackrock-muniassets-fund-inc-usd-fund
MUA Profile on Yahoo Finance finance.yahoo.com/quote/MUA
MUA Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mua