What is the current 10-day volatility of MIY?

As of today, MIY 10-day volatility is 15.99%

What 10-day volatility category does MIY fall into?

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

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

MIY 10-day volatility reached a 1-year high of 29.96% on April 9, 2026

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

MIY 10-day volatility reached a 1-year low of 3.23% on October 22, 2025

What is the current 1-month volatility of MIY?

As of today, MIY 1-month volatility is 16.06%

What 1-month volatility category does MIY fall into?

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

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

MIY 1-month volatility reached a 1-year high of 24.22% on April 17, 2026

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

MIY 1-month volatility reached a 1-year low of 5.22% on October 31, 2025

What is the current 3-month volatility of MIY?

As of today, MIY 3-month volatility is 12.86%

What 3-month volatility category does MIY fall into?

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

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

MIY 3-month volatility reached a 1-year high of 18.33% on April 9, 2026

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

MIY 3-month volatility reached a 1-year low of 6.61% on December 10, 2025

What is the current 1-year volatility of MIY?

As of today, MIY 1-year volatility is 12.85%

What 1-year volatility category does MIY fall into?

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

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

MIY 1-year volatility reached a 1-year high of 12.86% on October 6, 2026

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

MIY 1-year volatility reached a 1-year low of 9.22% on December 17, 2025

MIY Stock Volatility History & Chart Since 1992

10-Day

15.99%

October 8, 2026

Summary

Current Value: As of today, MIY 10-day volatility is 15.99%, up +3.90% on October 8, 2026
Value Category: Based on its current 10-day historical volatility, MIY falls into the low volatility category
1-Year High: MIY 10-day volatility reached a 1-year high of 29.96% on April 9, 2026
1-Year Low: MIY 10-day volatility reached a 1-year low of 3.23% on October 22, 2025

10-Day Volatility Chart

Performance

MIY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 8, 26	15.99%	+3.9%	+46.8%	+130.1%	+0.3%	+117.5%	+76.5%	+41.1%
1-Month Volatility	Oct 8, 26	16.06%	-1.2%	+39.3%	+63.7%	+33.7%	+109.9%	+66.4%	+73.1%
3-Month Volatility	Oct 8, 26	12.86%	+1.1%	+27.6%	+38.9%	+45.1%	+43.7%	+41.6%	+56.1%
1-Year Volatility	Oct 8, 26	12.85%	+0.1%	+7.0%	+7.8%	+34.7%	+30.5%	+8.6%	+51.2%
14-Day RSI	Oct 8, 26	29.44	+11.8%	-36.2%	-45.8%	-45.1%	-51.2%	+92.7%	-42.1%
Beta	Oct 8, 26	0.26	0.0%	+13.0%	+18.2%	+160.0%	+136.4%	+4.0%	+62.5%
ATR	Oct 8, 26	$0.24	-1.8%	+30.7%	+38.9%	+67.1%	+107.4%	+141.7%	+52.1%
	Oct 9, 26	$11.28	+0.1%	-9.0%	-7.7%	-3.9%	-1.2%	+15.3%	-27.7%
200-Day SMA	Oct 8, 26	$12.11	-0.0%	-0.0%	+1.7%	+6.9%	+7.2%	+9.7%	-20.3%
50-Day SMA	Oct 8, 26	$12.12	-0.1%	-1.9%	+0.3%	+4.3%	+7.7%	+15.1%	-22.6%
20-Day SMA	Oct 8, 26	$11.67	-0.4%	-6.9%	-4.3%	-0.6%	+2.9%	+14.7%	-25.1%

10-Day Volatility History

Date	Value	Change
Oct 9, 2026	15.99%	+0.3%
Dec 31, 2025	15.94%	+110.8%
Dec 31, 2024	7.56%	-46.9%
Dec 31, 2023	14.25%	+17.6%
Dec 31, 2022	12.12%	+23.9%
Dec 31, 2021	9.78%	+128.0%
Dec 31, 2020	4.29%	+41.6%
Dec 31, 2019	3.03%	-70.8%
Dec 31, 2018	10.38%	+32.4%
Dec 31, 2017	7.84%	-27.2%
Dec 31, 2016	10.77%	+67.8%
Dec 31, 2015	6.42%	+8.1%
Dec 31, 2014	5.94%	-53.5%
Dec 31, 2013	12.77%	+7.1%
Dec 31, 2012	11.92%	+50.5%
Dec 31, 2011	7.92%	-68.6%
Dec 31, 2010	25.21%	+282.0%
Dec 31, 2009	6.60%	-66.8%

Date	Value	Change
Dec 31, 2008	19.86%	+49.4%
Dec 31, 2007	13.29%	+103.2%
Dec 31, 2006	6.54%	-16.8%
Dec 31, 2005	7.86%	+16.8%
Dec 31, 2004	6.73%	-30.5%
Dec 31, 2003	9.69%	+43.6%
Dec 31, 2002	6.75%	-31.9%
Dec 31, 2001	9.91%	-25.2%
Dec 31, 2000	13.24%	-57.0%
Dec 31, 1999	30.82%	+117.2%
Dec 31, 1998	14.19%	+33.2%
Dec 31, 1997	10.65%	-34.3%
Dec 31, 1996	16.20%	+22.9%
Dec 31, 1995	13.18%	-16.4%
Dec 31, 1994	15.76%	-33.4%
Dec 31, 1993	23.66%	+145.2%
Dec 31, 1992	9.65%	-

FAQ

What is the current 10-day volatility of MIY?: As of today, MIY 10-day volatility is 15.99%
What 10-day volatility category does MIY fall into?: Based on its current 10-day historical volatility, MIY falls into the low volatility category
What is MIY 10-day volatility 1-year high?: MIY 10-day volatility reached a 1-year high of 29.96% on April 9, 2026
What is MIY 10-day volatility 1-year low?: MIY 10-day volatility reached a 1-year low of 3.23% on October 22, 2025

1-Month

16.06%

October 8, 2026

Summary

Current Value: As of today, MIY 1-month volatility is 16.06%, down -1.23% on October 8, 2026
Value Category: Based on its current 1-month historical volatility, MIY falls into the low volatility category
1-Year High: MIY 1-month volatility reached a 1-year high of 24.22% on April 17, 2026
1-Year Low: MIY 1-month volatility reached a 1-year low of 5.22% on October 31, 2025

Performance

MIY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Oct 8, 26	16.06%	-1.2%	+39.3%	+63.7%	+33.7%	+109.9%	+66.4%	+73.1%
10-Day Volatility	Oct 8, 26	15.99%	+3.9%	+46.8%	+130.1%	+0.3%	+117.5%	+76.5%	+41.1%
3-Month Volatility	Oct 8, 26	12.86%	+1.1%	+27.6%	+38.9%	+45.1%	+43.7%	+41.6%	+56.1%
1-Year Volatility	Oct 8, 26	12.85%	+0.1%	+7.0%	+7.8%	+34.7%	+30.5%	+8.6%	+51.2%
14-Day RSI	Oct 8, 26	29.44	+11.8%	-36.2%	-45.8%	-45.1%	-51.2%	+92.7%	-42.1%
Beta	Oct 8, 26	0.26	0.0%	+13.0%	+18.2%	+160.0%	+136.4%	+4.0%	+62.5%
ATR	Oct 8, 26	$0.24	-1.8%	+30.7%	+38.9%	+67.1%	+107.4%	+141.7%	+52.1%
	Oct 9, 26	$11.28	+0.1%	-9.0%	-7.7%	-3.9%	-1.2%	+15.3%	-27.7%
200-Day SMA	Oct 8, 26	$12.11	-0.0%	-0.0%	+1.7%	+6.9%	+7.2%	+9.7%	-20.3%
50-Day SMA	Oct 8, 26	$12.12	-0.1%	-1.9%	+0.3%	+4.3%	+7.7%	+15.1%	-22.6%
20-Day SMA	Oct 8, 26	$11.67	-0.4%	-6.9%	-4.3%	-0.6%	+2.9%	+14.7%	-25.1%

1-Month Volatility History

Date	Value	Change
Oct 9, 2026	16.06%	+36.9%
Dec 31, 2025	11.73%	+30.2%
Dec 31, 2024	9.01%	-38.5%
Dec 31, 2023	14.65%	+32.8%
Dec 31, 2022	11.03%	+14.4%
Dec 31, 2021	9.64%	+77.5%
Dec 31, 2020	5.43%	+16.0%
Dec 31, 2019	4.68%	-55.6%
Dec 31, 2018	10.53%	+9.7%
Dec 31, 2017	9.60%	-27.1%
Dec 31, 2016	13.17%	+67.3%
Dec 31, 2015	7.87%	+1.0%
Dec 31, 2014	7.79%	-31.4%
Dec 31, 2013	11.36%	-12.1%
Dec 31, 2012	12.93%	+76.9%
Dec 31, 2011	7.31%	-69.8%
Dec 31, 2010	24.22%	+188.7%
Dec 31, 2009	8.39%	-67.0%

Date	Value	Change
Dec 31, 2008	25.45%	+70.3%
Dec 31, 2007	14.94%	+84.9%
Dec 31, 2006	8.08%	-7.0%
Dec 31, 2005	8.69%	+2.1%
Dec 31, 2004	8.51%	-7.3%
Dec 31, 2003	9.18%	+41.7%
Dec 31, 2002	6.48%	-35.7%
Dec 31, 2001	10.08%	-19.0%
Dec 31, 2000	12.44%	-49.7%
Dec 31, 1999	24.74%	+49.6%
Dec 31, 1998	16.54%	+12.4%
Dec 31, 1997	14.71%	+7.9%
Dec 31, 1996	13.63%	-30.4%
Dec 31, 1995	19.59%	-9.2%
Dec 31, 1994	21.57%	0.0%
Dec 31, 1993	21.57%	+66.6%
Dec 31, 1992	12.95%	-

FAQ

What is the current 1-month volatility of MIY?: As of today, MIY 1-month volatility is 16.06%
What 1-month volatility category does MIY fall into?: Based on its current 1-month historical volatility, MIY falls into the low volatility category
What is MIY 1-month volatility 1-year high?: MIY 1-month volatility reached a 1-year high of 24.22% on April 17, 2026
What is MIY 1-month volatility 1-year low?: MIY 1-month volatility reached a 1-year low of 5.22% on October 31, 2025

3-Month

12.86%

October 8, 2026

Summary

Current Value: As of today, MIY 3-month volatility is 12.86%, up +1.10% on October 8, 2026
Value Category: Based on its current 3-month historical volatility, MIY falls into the very low volatility category
1-Year High: MIY 3-month volatility reached a 1-year high of 18.33% on April 9, 2026
1-Year Low: MIY 3-month volatility reached a 1-year low of 6.61% on December 10, 2025

Performance

MIY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Oct 8, 26	12.86%	+1.1%	+27.6%	+38.9%	+45.1%	+43.7%	+41.6%	+56.1%
10-Day Volatility	Oct 8, 26	15.99%	+3.9%	+46.8%	+130.1%	+0.3%	+117.5%	+76.5%	+41.1%
1-Month Volatility	Oct 8, 26	16.06%	-1.2%	+39.3%	+63.7%	+33.7%	+109.9%	+66.4%	+73.1%
1-Year Volatility	Oct 8, 26	12.85%	+0.1%	+7.0%	+7.8%	+34.7%	+30.5%	+8.6%	+51.2%
14-Day RSI	Oct 8, 26	29.44	+11.8%	-36.2%	-45.8%	-45.1%	-51.2%	+92.7%	-42.1%
Beta	Oct 8, 26	0.26	0.0%	+13.0%	+18.2%	+160.0%	+136.4%	+4.0%	+62.5%
ATR	Oct 8, 26	$0.24	-1.8%	+30.7%	+38.9%	+67.1%	+107.4%	+141.7%	+52.1%
	Oct 9, 26	$11.28	+0.1%	-9.0%	-7.7%	-3.9%	-1.2%	+15.3%	-27.7%
200-Day SMA	Oct 8, 26	$12.11	-0.0%	-0.0%	+1.7%	+6.9%	+7.2%	+9.7%	-20.3%
50-Day SMA	Oct 8, 26	$12.12	-0.1%	-1.9%	+0.3%	+4.3%	+7.7%	+15.1%	-22.6%
20-Day SMA	Oct 8, 26	$11.67	-0.4%	-6.9%	-4.3%	-0.6%	+2.9%	+14.7%	-25.1%

3-Month Volatility History

Date	Value	Change
Oct 9, 2026	12.86%	+45.5%
Dec 31, 2025	8.84%	-9.1%
Dec 31, 2024	9.73%	-25.6%
Dec 31, 2023	13.08%	-20.1%
Dec 31, 2022	16.37%	+42.3%
Dec 31, 2021	11.50%	+80.0%
Dec 31, 2020	6.39%	+17.7%
Dec 31, 2019	5.43%	-35.0%
Dec 31, 2018	8.35%	+29.1%
Dec 31, 2017	6.47%	-52.5%
Dec 31, 2016	13.61%	+80.0%
Dec 31, 2015	7.56%	+16.8%
Dec 31, 2014	6.47%	-40.4%
Dec 31, 2013	10.86%	-20.4%
Dec 31, 2012	13.65%	+66.7%
Dec 31, 2011	8.19%	-58.8%
Dec 31, 2010	19.87%	+66.8%
Dec 31, 2009	11.91%	-79.4%

Date	Value	Change
Dec 31, 2008	57.77%	+398.0%
Dec 31, 2007	11.60%	+107.9%
Dec 31, 2006	5.58%	-40.3%
Dec 31, 2005	9.35%	-5.8%
Dec 31, 2004	9.93%	+23.0%
Dec 31, 2003	8.07%	-22.6%
Dec 31, 2002	10.43%	-5.9%
Dec 31, 2001	11.08%	-1.2%
Dec 31, 2000	11.22%	-46.4%
Dec 31, 1999	20.95%	+20.1%
Dec 31, 1998	17.45%	+11.5%
Dec 31, 1997	15.65%	+29.9%
Dec 31, 1996	12.05%	-21.5%
Dec 31, 1995	15.36%	-51.8%
Dec 31, 1994	31.84%	+72.6%
Dec 31, 1993	18.45%	+42.1%
Dec 31, 1992	12.98%	-

FAQ

What is the current 3-month volatility of MIY?: As of today, MIY 3-month volatility is 12.86%
What 3-month volatility category does MIY fall into?: Based on its current 3-month historical volatility, MIY falls into the very low volatility category
What is MIY 3-month volatility 1-year high?: MIY 3-month volatility reached a 1-year high of 18.33% on April 9, 2026
What is MIY 3-month volatility 1-year low?: MIY 3-month volatility reached a 1-year low of 6.61% on December 10, 2025

1-Year

12.85%

October 8, 2026

Summary

Current Value: As of today, MIY 1-year volatility is 12.85%, up +0.08% on October 8, 2026
Value Category: Based on its current 1-year historical volatility, MIY falls into the very low volatility category
1-Year High: MIY 1-year volatility reached a 1-year high of 12.86% on October 6, 2026
1-Year Low: MIY 1-year volatility reached a 1-year low of 9.22% on December 17, 2025

Performance

MIY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Oct 8, 26	12.85%	+0.1%	+7.0%	+7.8%	+34.7%	+30.5%	+8.6%	+51.2%
10-Day Volatility	Oct 8, 26	15.99%	+3.9%	+46.8%	+130.1%	+0.3%	+117.5%	+76.5%	+41.1%
1-Month Volatility	Oct 8, 26	16.06%	-1.2%	+39.3%	+63.7%	+33.7%	+109.9%	+66.4%	+73.1%
3-Month Volatility	Oct 8, 26	12.86%	+1.1%	+27.6%	+38.9%	+45.1%	+43.7%	+41.6%	+56.1%
1-Year Volatility	Oct 8, 26	12.85%	+0.1%	+7.0%	+7.8%	+34.7%	+30.5%	+8.6%	+51.2%
14-Day RSI	Oct 8, 26	29.44	+11.8%	-36.2%	-45.8%	-45.1%	-51.2%	+92.7%	-42.1%
Beta	Oct 8, 26	0.26	0.0%	+13.0%	+18.2%	+160.0%	+136.4%	+4.0%	+62.5%
ATR	Oct 8, 26	$0.24	-1.8%	+30.7%	+38.9%	+67.1%	+107.4%	+141.7%	+52.1%
	Oct 9, 26	$11.28	+0.1%	-9.0%	-7.7%	-3.9%	-1.2%	+15.3%	-27.7%
200-Day SMA	Oct 8, 26	$12.11	-0.0%	-0.0%	+1.7%	+6.9%	+7.2%	+9.7%	-20.3%
50-Day SMA	Oct 8, 26	$12.12	-0.1%	-1.9%	+0.3%	+4.3%	+7.7%	+15.1%	-22.6%
20-Day SMA	Oct 8, 26	$11.67	-0.4%	-6.9%	-4.3%	-0.6%	+2.9%	+14.7%	-25.1%

1-Year Volatility History

Date	Value	Change
Oct 9, 2026	12.85%	+34.7%
Dec 31, 2025	9.54%	+16.1%
Dec 31, 2024	8.22%	-24.9%
Dec 31, 2023	10.94%	-31.7%
Dec 31, 2022	16.02%	+64.8%
Dec 31, 2021	9.72%	-58.1%
Dec 31, 2020	23.20%	+297.9%
Dec 31, 2019	5.83%	-2.7%
Dec 31, 2018	5.99%	-4.0%
Dec 31, 2017	6.24%	-34.9%
Dec 31, 2016	9.59%	+28.4%
Dec 31, 2015	7.47%	-2.2%
Dec 31, 2014	7.64%	-46.8%
Dec 31, 2013	14.37%	+23.3%
Dec 31, 2012	11.65%	+11.0%
Dec 31, 2011	10.50%	-13.1%
Dec 31, 2010	12.08%	-19.6%
Dec 31, 2009	15.03%	-54.1%

Date	Value	Change
Dec 31, 2008	32.72%	+260.4%
Dec 31, 2007	9.08%	+27.3%
Dec 31, 2006	7.13%	-16.3%
Dec 31, 2005	8.52%	-19.2%
Dec 31, 2004	10.55%	+16.3%
Dec 31, 2003	9.07%	-2.3%
Dec 31, 2002	9.28%	-13.9%
Dec 31, 2001	10.78%	-9.1%
Dec 31, 2000	11.86%	-17.5%
Dec 31, 1999	14.37%	+8.1%
Dec 31, 1998	13.29%	+4.2%
Dec 31, 1997	12.76%	+6.3%
Dec 31, 1996	12.00%	-28.4%
Dec 31, 1995	16.75%	-29.9%
Dec 31, 1994	23.91%	+42.3%
Dec 31, 1993	16.80%	+29.4%
Dec 31, 1992	12.98%	-

FAQ

What is the current 1-year volatility of MIY?: As of today, MIY 1-year volatility is 12.85%
What 1-year volatility category does MIY fall into?: Based on its current 1-year historical volatility, MIY falls into the very low volatility category
What is MIY 1-year volatility 1-year high?: MIY 1-year volatility reached a 1-year high of 12.86% on October 6, 2026
What is MIY 1-year volatility 1-year low?: MIY 1-year volatility reached a 1-year low of 9.22% on December 17, 2025

Data Sources & References

MIY Official Website www.blackrock.com/investing/products/240264/blackrock-muniyield-michigan-insured-fund-inc-usd-fund
MIY Profile on Yahoo Finance finance.yahoo.com/quote/MIY
MIY Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/miy