What is the current 10-day volatility of UMC?

As of today, UMC 10-day volatility is 35.80%

What 10-day volatility category does UMC fall into?

Based on its current 10-day historical volatility, UMC falls into the moderate 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 12.70% on September 30, 2025

What is the current 1-month volatility of UMC?

As of today, UMC 1-month volatility is 74.49%

What 1-month volatility category does UMC fall into?

Based on its current 1-month historical volatility, UMC falls into the extreme 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 87.62%

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 61.75%

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 61.75% on August 19, 2026

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

UMC 1-year volatility reached a 1-year low of 31.43% on September 30, 2025

UMC Stock Volatility History & Chart Since 2000

10-Day

35.80%

August 19, 2026

Summary

Current Value: As of today, UMC 10-day volatility is 35.80%, down -22.66% on August 19, 2026
Value Category: Based on its current 10-day historical volatility, UMC falls into the moderate 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 12.70% on September 30, 2025

10-Day Volatility Chart

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 19, 26	35.80%	-22.7%	-58.0%	-32.5%	+125.0%	+163.8%	+46.7%	+13.1%
1-Month Volatility	Aug 19, 26	74.49%	-2.1%	-23.8%	+11.3%	+297.9%	+278.3%	+134.3%	+56.3%
3-Month Volatility	Aug 19, 26	87.62%	-0.0%	+2.2%	+52.0%	+185.5%	+256.8%	+173.3%	+136.9%
1-Year Volatility	Aug 19, 26	61.75%	+0.1%	+6.5%	+35.4%	+92.4%	+89.4%	+66.0%	+2.3%
14-Day RSI	Aug 19, 26	39.90	-3.9%	-6.4%	-52.6%	-21.7%	+13.0%	+28.9%	-19.2%
Beta	Aug 19, 26	1.78	-1.1%	+10.6%	+81.6%	+109.4%	+114.5%	+34.9%	+11.3%
ATR	Aug 19, 26	$1.19	-1.2%	-30.7%	+61.0%	+744.9%	+666.3%	+667.8%	+220.7%
Price	Aug 19, 26	$18.12	-1.9%	-14.7%	+3.1%	+130.5%	+166.5%	+167.7%	+77.7%
200-Day SMA	Aug 19, 26	$13.55	+0.4%	+11.1%	+51.1%	+84.6%	+95.5%	+74.0%	+50.6%
50-Day SMA	Aug 19, 26	$21.86	-0.2%	+1.0%	+89.5%	+186.3%	+194.3%	+183.3%	+122.6%
20-Day SMA	Aug 19, 26	$19.00	-0.8%	-24.4%	+31.7%	+138.4%	+174.1%	+165.7%	+82.6%

10-Day Volatility History

Date	Value	Change
Aug 19, 2026	35.80%	+125.0%
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 35.80%
What 10-day volatility category does UMC fall into?: Based on its current 10-day historical volatility, UMC falls into the moderate 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 12.70% on September 30, 2025

1-Month

74.49%

August 19, 2026

Summary

Current Value: As of today, UMC 1-month volatility is 74.49%, down -2.09% on August 19, 2026
Value Category: Based on its current 1-month historical volatility, UMC falls into the extreme 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	Aug 19, 26	74.49%	-2.1%	-23.8%	+11.3%	+297.9%	+278.3%	+134.3%	+56.3%
10-Day Volatility	Aug 19, 26	35.80%	-22.7%	-58.0%	-32.5%	+125.0%	+163.8%	+46.7%	+13.1%
3-Month Volatility	Aug 19, 26	87.62%	-0.0%	+2.2%	+52.0%	+185.5%	+256.8%	+173.3%	+136.9%
1-Year Volatility	Aug 19, 26	61.75%	+0.1%	+6.5%	+35.4%	+92.4%	+89.4%	+66.0%	+2.3%
14-Day RSI	Aug 19, 26	39.90	-3.9%	-6.4%	-52.6%	-21.7%	+13.0%	+28.9%	-19.2%
Beta	Aug 19, 26	1.78	-1.1%	+10.6%	+81.6%	+109.4%	+114.5%	+34.9%	+11.3%
ATR	Aug 19, 26	$1.19	-1.2%	-30.7%	+61.0%	+744.9%	+666.3%	+667.8%	+220.7%
Price	Aug 19, 26	$18.12	-1.9%	-14.7%	+3.1%	+130.5%	+166.5%	+167.7%	+77.7%
200-Day SMA	Aug 19, 26	$13.55	+0.4%	+11.1%	+51.1%	+84.6%	+95.5%	+74.0%	+50.6%
50-Day SMA	Aug 19, 26	$21.86	-0.2%	+1.0%	+89.5%	+186.3%	+194.3%	+183.3%	+122.6%
20-Day SMA	Aug 19, 26	$19.00	-0.8%	-24.4%	+31.7%	+138.4%	+174.1%	+165.7%	+82.6%

1-Month Volatility History

Date	Value	Change
Aug 19, 2026	74.49%	+304.2%
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 74.49%
What 1-month volatility category does UMC fall into?: Based on its current 1-month historical volatility, UMC falls into the extreme 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

87.62%

August 19, 2026

Summary

Current Value: As of today, UMC 3-month volatility is 87.62%, down -0.02% on August 19, 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	Aug 19, 26	87.62%	-0.0%	+2.2%	+52.0%	+185.5%	+256.8%	+173.3%	+136.9%
10-Day Volatility	Aug 19, 26	35.80%	-22.7%	-58.0%	-32.5%	+125.0%	+163.8%	+46.7%	+13.1%
1-Month Volatility	Aug 19, 26	74.49%	-2.1%	-23.8%	+11.3%	+297.9%	+278.3%	+134.3%	+56.3%
1-Year Volatility	Aug 19, 26	61.75%	+0.1%	+6.5%	+35.4%	+92.4%	+89.4%	+66.0%	+2.3%
14-Day RSI	Aug 19, 26	39.90	-3.9%	-6.4%	-52.6%	-21.7%	+13.0%	+28.9%	-19.2%
Beta	Aug 19, 26	1.78	-1.1%	+10.6%	+81.6%	+109.4%	+114.5%	+34.9%	+11.3%
ATR	Aug 19, 26	$1.19	-1.2%	-30.7%	+61.0%	+744.9%	+666.3%	+667.8%	+220.7%
Price	Aug 19, 26	$18.12	-1.9%	-14.7%	+3.1%	+130.5%	+166.5%	+167.7%	+77.7%
200-Day SMA	Aug 19, 26	$13.55	+0.4%	+11.1%	+51.1%	+84.6%	+95.5%	+74.0%	+50.6%
50-Day SMA	Aug 19, 26	$21.86	-0.2%	+1.0%	+89.5%	+186.3%	+194.3%	+183.3%	+122.6%
20-Day SMA	Aug 19, 26	$19.00	-0.8%	-24.4%	+31.7%	+138.4%	+174.1%	+165.7%	+82.6%

3-Month Volatility History

Date	Value	Change
Aug 19, 2026	87.62%	+184.5%
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 87.62%
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

61.75%

August 19, 2026

Summary

Current Value: As of today, UMC 1-year volatility is 61.75%, up +0.08% on August 19, 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 61.75% on August 19, 2026
1-Year Low: UMC 1-year volatility reached a 1-year low of 31.43% on September 30, 2025

Performance

UMC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 19, 26	61.75%	+0.1%	+6.5%	+35.4%	+92.4%	+89.4%	+66.0%	+2.3%
10-Day Volatility	Aug 19, 26	35.80%	-22.7%	-58.0%	-32.5%	+125.0%	+163.8%	+46.7%	+13.1%
1-Month Volatility	Aug 19, 26	74.49%	-2.1%	-23.8%	+11.3%	+297.9%	+278.3%	+134.3%	+56.3%
3-Month Volatility	Aug 19, 26	87.62%	-0.0%	+2.2%	+52.0%	+185.5%	+256.8%	+173.3%	+136.9%
1-Year Volatility	Aug 19, 26	61.75%	+0.1%	+6.5%	+35.4%	+92.4%	+89.4%	+66.0%	+2.3%
14-Day RSI	Aug 19, 26	39.90	-3.9%	-6.4%	-52.6%	-21.7%	+13.0%	+28.9%	-19.2%
Beta	Aug 19, 26	1.78	-1.1%	+10.6%	+81.6%	+109.4%	+114.5%	+34.9%	+11.3%
ATR	Aug 19, 26	$1.19	-1.2%	-30.7%	+61.0%	+744.9%	+666.3%	+667.8%	+220.7%
Price	Aug 19, 26	$18.12	-1.9%	-14.7%	+3.1%	+130.5%	+166.5%	+167.7%	+77.7%
200-Day SMA	Aug 19, 26	$13.55	+0.4%	+11.1%	+51.1%	+84.6%	+95.5%	+74.0%	+50.6%
50-Day SMA	Aug 19, 26	$21.86	-0.2%	+1.0%	+89.5%	+186.3%	+194.3%	+183.3%	+122.6%
20-Day SMA	Aug 19, 26	$19.00	-0.8%	-24.4%	+31.7%	+138.4%	+174.1%	+165.7%	+82.6%

1-Year Volatility History

Date	Value	Change
Aug 19, 2026	61.75%	+92.4%
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 61.75%
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 61.75% on August 19, 2026
What is UMC 1-year volatility 1-year low?: UMC 1-year volatility reached a 1-year low of 31.43% on September 30, 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