What is the current 10-day volatility of UMC?

As of today, UMC 10-day volatility is 58.26%

What 10-day volatility category does UMC fall into?

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

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

UMC 10-day volatility reached a 1-year high of 127.88% on January 30, 2026

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

UMC 10-day volatility reached a 1-year low of 12.74% on January 5, 2026

What is the current 1-month volatility of UMC?

As of today, UMC 1-month volatility is 54.28%

What 1-month volatility category does UMC fall into?

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

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

UMC 1-month volatility reached a 1-year high of 105.14% on June 23, 2026

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

UMC 1-month volatility reached a 1-year low of 13.77% on January 5, 2026

What is the current 3-month volatility of UMC?

As of today, UMC 3-month volatility is 66.51%

What 3-month volatility category does UMC fall into?

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

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

UMC 3-month volatility reached a 1-year high of 89.47% on August 5, 2026

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

UMC 3-month volatility reached a 1-year low of 20.16% on October 7, 2025

What is the current 1-year volatility of UMC?

As of today, UMC 1-year volatility is 63.67%

What 1-year volatility category does UMC fall into?

Based on its current 1-year historical volatility, UMC falls into the extreme volatility category

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

UMC 1-year volatility reached a 1-year high of 63.67% on October 1, 2026

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

UMC 1-year volatility reached a 1-year low of 31.47% on October 1, 2025

UMC Stock Volatility History & Chart Since 2000

10-Day

58.26%

September 30, 2026

Summary

Current Value: As of today, UMC 10-day volatility is 58.26%, down -2.12% on September 30, 2026
Value Category: Based on its current 10-day historical volatility, UMC falls into the high volatility category
1-Year High: UMC 10-day volatility reached a 1-year high of 127.88% on January 30, 2026
1-Year Low: UMC 10-day volatility reached a 1-year low of 12.74% on January 5, 2026

10-Day Volatility Chart

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 30, 26	58.26%	-2.1%	+52.9%	-48.9%	+266.2%	+179.6%	+157.6%	+89.2%
1-Month Volatility	Sep 30, 26	54.28%	+2.5%	-2.5%	-45.1%	+190.0%	+168.7%	+132.8%	+47.6%
3-Month Volatility	Sep 30, 26	66.51%	-0.6%	-17.7%	-17.6%	+116.7%	+201.6%	+151.6%	+69.0%
1-Year Volatility	Sep 30, 26	63.67%	+0.1%	+2.9%	+15.0%	+98.3%	+102.3%	+76.1%	+11.8%
14-Day RSI	Sep 30, 26	60.86	-2.7%	+8.8%	+2.3%	+19.5%	-3.5%	+26.6%	+32.5%
Beta	Sep 30, 26	1.78	0.0%	+1.1%	+18.7%	+109.4%	+128.2%	+29.9%	+3.5%
ATR	Sep 30, 26	$0.93	-4.4%	-9.2%	-44.0%	+560.7%	+547.0%	+529.5%	+203.7%
Price	Oct 1, 26	$25.21	+2.9%	+23.2%	-1.9%	+220.7%	+240.2%	+257.1%	+123.1%
200-Day SMA	Sep 30, 26	$15.63	+0.5%	+11.1%	+38.8%	+113.1%	+125.1%	+100.6%	+60.8%
50-Day SMA	Sep 30, 26	$20.74	+0.3%	-2.8%	+8.4%	+171.6%	+198.1%	+191.5%	+86.3%
20-Day SMA	Sep 30, 26	$23.12	+0.9%	+21.0%	-1.3%	+190.0%	+225.1%	+224.1%	+95.3%

10-Day Volatility History

Date	Value	Change
Oct 1, 2026	58.26%	+266.2%
Dec 31, 2025	15.91%	-43.4%
Dec 31, 2024	28.12%	-23.8%
Dec 31, 2023	36.92%	+3.8%
Dec 31, 2022	35.56%	+28.9%
Dec 31, 2021	27.58%	-55.3%
Dec 31, 2020	61.72%	+262.2%
Dec 31, 2019	17.04%	-22.3%
Dec 31, 2018	21.93%	-2.1%
Dec 31, 2017	22.41%	+124.5%
Dec 31, 2016	9.98%	-56.7%
Dec 31, 2015	23.06%	+9.7%
Dec 31, 2014	21.03%	-15.2%
Dec 31, 2013	24.80%	+29.5%

Date	Value	Change
Dec 31, 2012	19.15%	-61.6%
Dec 31, 2011	49.88%	+87.5%
Dec 31, 2010	26.60%	-37.1%
Dec 31, 2009	42.29%	-27.6%
Dec 31, 2008	58.40%	+19.0%
Dec 31, 2007	49.06%	+218.6%
Dec 31, 2006	15.40%	-52.6%
Dec 31, 2005	32.51%	+50.7%
Dec 31, 2004	21.57%	-31.2%
Dec 31, 2003	31.35%	-9.1%
Dec 31, 2002	34.50%	-21.9%
Dec 31, 2001	44.19%	-35.3%
Dec 31, 2000	68.34%	-

FAQ

What is the current 10-day volatility of UMC?: As of today, UMC 10-day volatility is 58.26%
What 10-day volatility category does UMC fall into?: Based on its current 10-day historical volatility, UMC falls into the high volatility category
What is UMC 10-day volatility 1-year high?: UMC 10-day volatility reached a 1-year high of 127.88% on January 30, 2026
What is UMC 10-day volatility 1-year low?: UMC 10-day volatility reached a 1-year low of 12.74% on January 5, 2026

1-Month

54.28%

September 30, 2026

Summary

Current Value: As of today, UMC 1-month volatility is 54.28%, up +2.55% on September 30, 2026
Value Category: Based on its current 1-month historical volatility, UMC falls into the high volatility category
1-Year High: UMC 1-month volatility reached a 1-year high of 105.14% on June 23, 2026
1-Year Low: UMC 1-month volatility reached a 1-year low of 13.77% on January 5, 2026

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 30, 26	54.28%	+2.5%	-2.5%	-45.1%	+190.0%	+168.7%	+132.8%	+47.6%
10-Day Volatility	Sep 30, 26	58.26%	-2.1%	+52.9%	-48.9%	+266.2%	+179.6%	+157.6%	+89.2%
3-Month Volatility	Sep 30, 26	66.51%	-0.6%	-17.7%	-17.6%	+116.7%	+201.6%	+151.6%	+69.0%
1-Year Volatility	Sep 30, 26	63.67%	+0.1%	+2.9%	+15.0%	+98.3%	+102.3%	+76.1%	+11.8%
14-Day RSI	Sep 30, 26	60.86	-2.7%	+8.8%	+2.3%	+19.5%	-3.5%	+26.6%	+32.5%
Beta	Sep 30, 26	1.78	0.0%	+1.1%	+18.7%	+109.4%	+128.2%	+29.9%	+3.5%
ATR	Sep 30, 26	$0.93	-4.4%	-9.2%	-44.0%	+560.7%	+547.0%	+529.5%	+203.7%
Price	Oct 1, 26	$25.21	+2.9%	+23.2%	-1.9%	+220.7%	+240.2%	+257.1%	+123.1%
200-Day SMA	Sep 30, 26	$15.63	+0.5%	+11.1%	+38.8%	+113.1%	+125.1%	+100.6%	+60.8%
50-Day SMA	Sep 30, 26	$20.74	+0.3%	-2.8%	+8.4%	+171.6%	+198.1%	+191.5%	+86.3%
20-Day SMA	Sep 30, 26	$23.12	+0.9%	+21.0%	-1.3%	+190.0%	+225.1%	+224.1%	+95.3%

1-Month Volatility History

Date	Value	Change
Oct 1, 2026	54.28%	+194.5%
Dec 31, 2025	18.43%	-28.5%
Dec 31, 2024	25.77%	-8.9%
Dec 31, 2023	28.28%	-2.2%
Dec 31, 2022	28.93%	-35.6%
Dec 31, 2021	44.90%	-38.3%
Dec 31, 2020	72.75%	+147.9%
Dec 31, 2019	29.35%	+15.0%
Dec 31, 2018	25.53%	+5.0%
Dec 31, 2017	24.32%	+23.3%
Dec 31, 2016	19.72%	-28.3%
Dec 31, 2015	27.49%	+11.7%
Dec 31, 2014	24.61%	+18.3%
Dec 31, 2013	20.81%	-17.6%

Date	Value	Change
Dec 31, 2012	25.27%	-37.9%
Dec 31, 2011	40.71%	-4.3%
Dec 31, 2010	42.55%	+17.8%
Dec 31, 2009	36.11%	-48.1%
Dec 31, 2008	69.52%	+54.1%
Dec 31, 2007	45.10%	+75.5%
Dec 31, 2006	25.70%	-12.7%
Dec 31, 2005	29.43%	+24.3%
Dec 31, 2004	23.68%	-25.7%
Dec 31, 2003	31.87%	-35.0%
Dec 31, 2002	49.06%	-18.6%
Dec 31, 2001	60.30%	-28.0%
Dec 31, 2000	83.73%	-

FAQ

What is the current 1-month volatility of UMC?: As of today, UMC 1-month volatility is 54.28%
What 1-month volatility category does UMC fall into?: Based on its current 1-month historical volatility, UMC falls into the high volatility category
What is UMC 1-month volatility 1-year high?: UMC 1-month volatility reached a 1-year high of 105.14% on June 23, 2026
What is UMC 1-month volatility 1-year low?: UMC 1-month volatility reached a 1-year low of 13.77% on January 5, 2026

3-Month

66.51%

September 30, 2026

Summary

Current Value: As of today, UMC 3-month volatility is 66.51%, down -0.61% on September 30, 2026
Value Category: Based on its current 3-month historical volatility, UMC falls into the extreme volatility category
1-Year High: UMC 3-month volatility reached a 1-year high of 89.47% on August 5, 2026
1-Year Low: UMC 3-month volatility reached a 1-year low of 20.16% on October 7, 2025

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 30, 26	66.51%	-0.6%	-17.7%	-17.6%	+116.7%	+201.6%	+151.6%	+69.0%
10-Day Volatility	Sep 30, 26	58.26%	-2.1%	+52.9%	-48.9%	+266.2%	+179.6%	+157.6%	+89.2%
1-Month Volatility	Sep 30, 26	54.28%	+2.5%	-2.5%	-45.1%	+190.0%	+168.7%	+132.8%	+47.6%
1-Year Volatility	Sep 30, 26	63.67%	+0.1%	+2.9%	+15.0%	+98.3%	+102.3%	+76.1%	+11.8%
14-Day RSI	Sep 30, 26	60.86	-2.7%	+8.8%	+2.3%	+19.5%	-3.5%	+26.6%	+32.5%
Beta	Sep 30, 26	1.78	0.0%	+1.1%	+18.7%	+109.4%	+128.2%	+29.9%	+3.5%
ATR	Sep 30, 26	$0.93	-4.4%	-9.2%	-44.0%	+560.7%	+547.0%	+529.5%	+203.7%
Price	Oct 1, 26	$25.21	+2.9%	+23.2%	-1.9%	+220.7%	+240.2%	+257.1%	+123.1%
200-Day SMA	Sep 30, 26	$15.63	+0.5%	+11.1%	+38.8%	+113.1%	+125.1%	+100.6%	+60.8%
50-Day SMA	Sep 30, 26	$20.74	+0.3%	-2.8%	+8.4%	+171.6%	+198.1%	+191.5%	+86.3%
20-Day SMA	Sep 30, 26	$23.12	+0.9%	+21.0%	-1.3%	+190.0%	+225.1%	+224.1%	+95.3%

3-Month Volatility History

Date	Value	Change
Oct 1, 2026	66.51%	+115.9%
Dec 31, 2025	30.80%	+13.7%
Dec 31, 2024	27.10%	+1.5%
Dec 31, 2023	26.69%	-47.0%
Dec 31, 2022	50.32%	+35.2%
Dec 31, 2021	37.22%	-48.4%
Dec 31, 2020	72.13%	+170.6%
Dec 31, 2019	26.66%	-30.4%
Dec 31, 2018	38.33%	+82.4%
Dec 31, 2017	21.02%	+0.6%
Dec 31, 2016	20.90%	-32.7%
Dec 31, 2015	31.07%	+17.6%
Dec 31, 2014	26.41%	+29.1%
Dec 31, 2013	20.46%	-28.5%

Date	Value	Change
Dec 31, 2012	28.61%	-39.0%
Dec 31, 2011	46.93%	+14.8%
Dec 31, 2010	40.87%	+7.7%
Dec 31, 2009	37.96%	-78.5%
Dec 31, 2008	176.74%	+210.9%
Dec 31, 2007	56.84%	+116.5%
Dec 31, 2006	26.25%	-27.0%
Dec 31, 2005	35.98%	+4.7%
Dec 31, 2004	34.37%	-0.5%
Dec 31, 2003	34.53%	-55.8%
Dec 31, 2002	78.06%	+4.9%
Dec 31, 2001	74.43%	-27.6%
Dec 31, 2000	102.74%	-

FAQ

What is the current 3-month volatility of UMC?: As of today, UMC 3-month volatility is 66.51%
What 3-month volatility category does UMC fall into?: Based on its current 3-month historical volatility, UMC falls into the extreme volatility category
What is UMC 3-month volatility 1-year high?: UMC 3-month volatility reached a 1-year high of 89.47% on August 5, 2026
What is UMC 3-month volatility 1-year low?: UMC 3-month volatility reached a 1-year low of 20.16% on October 7, 2025

1-Year

63.67%

September 30, 2026

Summary

Current Value: As of today, UMC 1-year volatility is 63.67%, up +0.13% on September 30, 2026
Value Category: Based on its current 1-year historical volatility, UMC falls into the extreme volatility category
1-Year High: UMC 1-year volatility reached a 1-year high of 63.67% on October 1, 2026
1-Year Low: UMC 1-year volatility reached a 1-year low of 31.47% on October 1, 2025

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 30, 26	63.67%	+0.1%	+2.9%	+15.0%	+98.3%	+102.3%	+76.1%	+11.8%
10-Day Volatility	Sep 30, 26	58.26%	-2.1%	+52.9%	-48.9%	+266.2%	+179.6%	+157.6%	+89.2%
1-Month Volatility	Sep 30, 26	54.28%	+2.5%	-2.5%	-45.1%	+190.0%	+168.7%	+132.8%	+47.6%
3-Month Volatility	Sep 30, 26	66.51%	-0.6%	-17.7%	-17.6%	+116.7%	+201.6%	+151.6%	+69.0%
1-Year Volatility	Sep 30, 26	63.67%	+0.1%	+2.9%	+15.0%	+98.3%	+102.3%	+76.1%	+11.8%
14-Day RSI	Sep 30, 26	60.86	-2.7%	+8.8%	+2.3%	+19.5%	-3.5%	+26.6%	+32.5%
Beta	Sep 30, 26	1.78	0.0%	+1.1%	+18.7%	+109.4%	+128.2%	+29.9%	+3.5%
ATR	Sep 30, 26	$0.93	-4.4%	-9.2%	-44.0%	+560.7%	+547.0%	+529.5%	+203.7%
Price	Oct 1, 26	$25.21	+2.9%	+23.2%	-1.9%	+220.7%	+240.2%	+257.1%	+123.1%
200-Day SMA	Sep 30, 26	$15.63	+0.5%	+11.1%	+38.8%	+113.1%	+125.1%	+100.6%	+60.8%
50-Day SMA	Sep 30, 26	$20.74	+0.3%	-2.8%	+8.4%	+171.6%	+198.1%	+191.5%	+86.3%
20-Day SMA	Sep 30, 26	$23.12	+0.9%	+21.0%	-1.3%	+190.0%	+225.1%	+224.1%	+95.3%

1-Year Volatility History

Date	Value	Change
Oct 1, 2026	63.67%	+98.3%
Dec 31, 2025	32.10%	-0.2%
Dec 31, 2024	32.18%	+10.1%
Dec 31, 2023	29.22%	-35.9%
Dec 31, 2022	45.62%	-4.0%
Dec 31, 2021	47.54%	-18.7%
Dec 31, 2020	58.46%	+94.5%
Dec 31, 2019	30.05%	-6.7%
Dec 31, 2018	32.22%	+23.5%
Dec 31, 2017	26.08%	-1.6%
Dec 31, 2016	26.51%	-16.7%
Dec 31, 2015	31.81%	+30.7%
Dec 31, 2014	24.33%	-20.5%
Dec 31, 2013	30.60%	-0.3%

Date	Value	Change
Dec 31, 2012	30.70%	-23.8%
Dec 31, 2011	40.27%	-9.1%
Dec 31, 2010	44.28%	-28.4%
Dec 31, 2009	61.82%	-39.5%
Dec 31, 2008	102.16%	+132.0%
Dec 31, 2007	44.03%	+24.7%
Dec 31, 2006	35.30%	+6.5%
Dec 31, 2005	33.16%	-20.3%
Dec 31, 2004	41.60%	-21.4%
Dec 31, 2003	52.90%	-22.7%
Dec 31, 2002	68.45%	-7.2%
Dec 31, 2001	73.75%	-25.7%
Dec 31, 2000	99.27%	-

FAQ

What is the current 1-year volatility of UMC?: As of today, UMC 1-year volatility is 63.67%
What 1-year volatility category does UMC fall into?: Based on its current 1-year historical volatility, UMC falls into the extreme volatility category
What is UMC 1-year volatility 1-year high?: UMC 1-year volatility reached a 1-year high of 63.67% on October 1, 2026
What is UMC 1-year volatility 1-year low?: UMC 1-year volatility reached a 1-year low of 31.47% on October 1, 2025

Data Sources & References

UMC Official Website www.umc.com
UMC Profile on Yahoo Finance finance.yahoo.com/quote/UMC
UMC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/umc