What is the current 10-day volatility of KT?

As of today, KT 10-day volatility is 14.72%

What 10-day volatility category does KT fall into?

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

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

KT 10-day volatility reached a 1-year high of 37.86% on July 16, 2026

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

KT 10-day volatility reached a 1-year low of 6.73% on September 10, 2026

What is the current 1-month volatility of KT?

As of today, KT 1-month volatility is 13.56%

What 1-month volatility category does KT fall into?

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

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

KT 1-month volatility reached a 1-year high of 32.66% on March 6, 2026

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

KT 1-month volatility reached a 1-year low of 11.33% on January 26, 2026

What is the current 3-month volatility of KT?

As of today, KT 3-month volatility is 21.88%

What 3-month volatility category does KT fall into?

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

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

KT 3-month volatility reached a 1-year high of 27.07% on April 21, 2026

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

KT 3-month volatility reached a 1-year low of 16.04% on January 26, 2026

What is the current 1-year volatility of KT?

As of today, KT 1-year volatility is 22.45%

What 1-year volatility category does KT fall into?

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

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

KT 1-year volatility reached a 1-year high of 25.05% on October 31, 2025

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

KT 1-year volatility reached a 1-year low of 20.70% on January 26, 2026

KT Corporation (KT) Stock Volatility History & Chart

10-Day

14.72%

September 24, 2026

Summary

Current Value: As of today, KT 10-day volatility is 14.72%, up +1.94% on September 24, 2026
Value Category: Based on its current 10-day historical volatility, KT falls into the very low volatility category
1-Year High: KT 10-day volatility reached a 1-year high of 37.86% on July 16, 2026
1-Year Low: KT 10-day volatility reached a 1-year low of 6.73% on September 10, 2026

10-Day Volatility Chart

Performance

KT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 24, 26	14.72%	+1.9%	-27.2%	-39.2%	-19.2%	-24.9%	-21.4%	+33.8%
1-Month Volatility	Sep 24, 26	13.56%	-3.5%	-36.9%	-44.5%	-18.1%	-34.7%	-34.7%	-16.4%
3-Month Volatility	Sep 24, 26	21.88%	+0.8%	-11.6%	-5.7%	+12.0%	+7.8%	+3.9%	-1.0%
1-Year Volatility	Sep 24, 26	22.45%	+0.2%	-2.0%	+1.9%	+6.1%	-10.3%	+0.6%	-3.2%
14-Day RSI	Sep 24, 26	54.02	+4.0%	-11.2%	+52.6%	-4.4%	+42.2%	-1.3%	+19.8%
Beta	Sep 24, 26	0.46	0.0%	0.0%	0.0%	+84.0%	+76.9%	-6.1%	-4.2%
ATR	Sep 24, 26	$0.35	-3.8%	-15.4%	-27.2%	+18.2%	+0.1%	+92.5%	+75.5%
Price	Sep 25, 26	$19.74	+1.1%	+2.6%	+10.8%	+4.1%	+2.1%	+59.5%	+43.0%
200-Day SMA	Sep 24, 26	$19.96	+0.0%	+0.8%	-0.3%	+3.5%	+6.9%	+62.1%	+54.5%
50-Day SMA	Sep 24, 26	$18.93	+0.2%	+3.8%	-3.9%	+2.2%	-6.6%	+56.1%	+33.3%
20-Day SMA	Sep 24, 26	$19.65	+0.1%	+5.4%	+7.6%	+4.8%	-1.1%	+60.0%	+41.4%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	14.72%	-19.2%
Dec 31, 2025	18.22%	+98.5%
Dec 31, 2024	9.18%	-25.5%
Dec 31, 2023	12.33%	-47.4%
Dec 31, 2022	23.42%	-23.8%
Dec 31, 2021	30.75%	+38.3%
Dec 31, 2020	22.24%	+21.3%
Dec 31, 2019	18.33%	-5.2%
Dec 31, 2018	19.33%	+29.8%
Dec 31, 2017	14.89%	-49.7%
Dec 31, 2016	29.59%	+35.6%
Dec 31, 2015	21.82%	-20.8%
Dec 31, 2014	27.56%	+61.7%
Dec 31, 2013	17.04%	-40.6%

Date	Value	Change
Dec 31, 2012	28.70%	-35.8%
Dec 31, 2011	44.68%	+88.2%
Dec 31, 2010	23.74%	+10.5%
Dec 31, 2009	21.48%	-51.6%
Dec 31, 2008	44.37%	+2.5%
Dec 31, 2007	43.27%	+76.0%
Dec 31, 2006	24.58%	-0.3%
Dec 31, 2005	24.66%	+1.9%
Dec 31, 2004	24.21%	-20.9%
Dec 31, 2003	30.61%	+61.8%
Dec 31, 2002	18.92%	-41.3%
Dec 31, 2001	32.25%	-35.2%
Dec 31, 2000	49.74%	-32.6%
Dec 31, 1999	73.77%	-

FAQ

What is the current 10-day volatility of KT?: As of today, KT 10-day volatility is 14.72%
What 10-day volatility category does KT fall into?: Based on its current 10-day historical volatility, KT falls into the very low volatility category
What is KT 10-day volatility 1-year high?: KT 10-day volatility reached a 1-year high of 37.86% on July 16, 2026
What is KT 10-day volatility 1-year low?: KT 10-day volatility reached a 1-year low of 6.73% on September 10, 2026

1-Month

13.56%

September 24, 2026

Summary

Current Value: As of today, KT 1-month volatility is 13.56%, down -3.49% on September 24, 2026
Value Category: Based on its current 1-month historical volatility, KT falls into the very low volatility category
1-Year High: KT 1-month volatility reached a 1-year high of 32.66% on March 6, 2026
1-Year Low: KT 1-month volatility reached a 1-year low of 11.33% on January 26, 2026

Performance

KT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 24, 26	13.56%	-3.5%	-36.9%	-44.5%	-18.1%	-34.7%	-34.7%	-16.4%
10-Day Volatility	Sep 24, 26	14.72%	+1.9%	-27.2%	-39.2%	-19.2%	-24.9%	-21.4%	+33.8%
3-Month Volatility	Sep 24, 26	21.88%	+0.8%	-11.6%	-5.7%	+12.0%	+7.8%	+3.9%	-1.0%
1-Year Volatility	Sep 24, 26	22.45%	+0.2%	-2.0%	+1.9%	+6.1%	-10.3%	+0.6%	-3.2%
14-Day RSI	Sep 24, 26	54.02	+4.0%	-11.2%	+52.6%	-4.4%	+42.2%	-1.3%	+19.8%
Beta	Sep 24, 26	0.46	0.0%	0.0%	0.0%	+84.0%	+76.9%	-6.1%	-4.2%
ATR	Sep 24, 26	$0.35	-3.8%	-15.4%	-27.2%	+18.2%	+0.1%	+92.5%	+75.5%
Price	Sep 25, 26	$19.74	+1.1%	+2.6%	+10.8%	+4.1%	+2.1%	+59.5%	+43.0%
200-Day SMA	Sep 24, 26	$19.96	+0.0%	+0.8%	-0.3%	+3.5%	+6.9%	+62.1%	+54.5%
50-Day SMA	Sep 24, 26	$18.93	+0.2%	+3.8%	-3.9%	+2.2%	-6.6%	+56.1%	+33.3%
20-Day SMA	Sep 24, 26	$19.65	+0.1%	+5.4%	+7.6%	+4.8%	-1.1%	+60.0%	+41.4%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	13.56%	-16.3%
Dec 31, 2025	16.20%	-31.2%
Dec 31, 2024	23.54%	+20.0%
Dec 31, 2023	19.61%	-1.4%
Dec 31, 2022	19.88%	-19.3%
Dec 31, 2021	24.62%	+36.9%
Dec 31, 2020	17.98%	+16.7%
Dec 31, 2019	15.41%	-14.1%
Dec 31, 2018	17.94%	+2.7%
Dec 31, 2017	17.46%	-28.7%
Dec 31, 2016	24.50%	+26.6%
Dec 31, 2015	19.35%	-9.1%
Dec 31, 2014	21.28%	-26.1%
Dec 31, 2013	28.81%	+15.9%

Date	Value	Change
Dec 31, 2012	24.85%	-29.7%
Dec 31, 2011	35.35%	+57.7%
Dec 31, 2010	22.42%	-2.0%
Dec 31, 2009	22.88%	-66.5%
Dec 31, 2008	68.38%	+42.8%
Dec 31, 2007	47.90%	+82.9%
Dec 31, 2006	26.19%	+42.8%
Dec 31, 2005	18.34%	-18.8%
Dec 31, 2004	22.59%	+5.3%
Dec 31, 2003	21.46%	+11.3%
Dec 31, 2002	19.28%	-50.5%
Dec 31, 2001	38.97%	-51.0%
Dec 31, 2000	79.57%	+10.7%
Dec 31, 1999	71.88%	-

FAQ

What is the current 1-month volatility of KT?: As of today, KT 1-month volatility is 13.56%
What 1-month volatility category does KT fall into?: Based on its current 1-month historical volatility, KT falls into the very low volatility category
What is KT 1-month volatility 1-year high?: KT 1-month volatility reached a 1-year high of 32.66% on March 6, 2026
What is KT 1-month volatility 1-year low?: KT 1-month volatility reached a 1-year low of 11.33% on January 26, 2026

3-Month

21.88%

September 24, 2026

Summary

Current Value: As of today, KT 3-month volatility is 21.88%, up +0.83% on September 24, 2026
Value Category: Based on its current 3-month historical volatility, KT falls into the low volatility category
1-Year High: KT 3-month volatility reached a 1-year high of 27.07% on April 21, 2026
1-Year Low: KT 3-month volatility reached a 1-year low of 16.04% on January 26, 2026

Performance

KT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 24, 26	21.88%	+0.8%	-11.6%	-5.7%	+12.0%	+7.8%	+3.9%	-1.0%
10-Day Volatility	Sep 24, 26	14.72%	+1.9%	-27.2%	-39.2%	-19.2%	-24.9%	-21.4%	+33.8%
1-Month Volatility	Sep 24, 26	13.56%	-3.5%	-36.9%	-44.5%	-18.1%	-34.7%	-34.7%	-16.4%
1-Year Volatility	Sep 24, 26	22.45%	+0.2%	-2.0%	+1.9%	+6.1%	-10.3%	+0.6%	-3.2%
14-Day RSI	Sep 24, 26	54.02	+4.0%	-11.2%	+52.6%	-4.4%	+42.2%	-1.3%	+19.8%
Beta	Sep 24, 26	0.46	0.0%	0.0%	0.0%	+84.0%	+76.9%	-6.1%	-4.2%
ATR	Sep 24, 26	$0.35	-3.8%	-15.4%	-27.2%	+18.2%	+0.1%	+92.5%	+75.5%
Price	Sep 25, 26	$19.74	+1.1%	+2.6%	+10.8%	+4.1%	+2.1%	+59.5%	+43.0%
200-Day SMA	Sep 24, 26	$19.96	+0.0%	+0.8%	-0.3%	+3.5%	+6.9%	+62.1%	+54.5%
50-Day SMA	Sep 24, 26	$18.93	+0.2%	+3.8%	-3.9%	+2.2%	-6.6%	+56.1%	+33.3%
20-Day SMA	Sep 24, 26	$19.65	+0.1%	+5.4%	+7.6%	+4.8%	-1.1%	+60.0%	+41.4%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	21.88%	+11.7%
Dec 31, 2025	19.58%	-39.0%
Dec 31, 2024	32.12%	+64.3%
Dec 31, 2023	19.55%	-10.6%
Dec 31, 2022	21.88%	+5.8%
Dec 31, 2021	20.68%	+14.8%
Dec 31, 2020	18.02%	+19.6%
Dec 31, 2019	15.07%	-33.1%
Dec 31, 2018	22.51%	+21.7%
Dec 31, 2017	18.50%	-20.6%
Dec 31, 2016	23.30%	+3.8%
Dec 31, 2015	22.44%	-11.6%
Dec 31, 2014	25.39%	+7.2%
Dec 31, 2013	23.68%	-0.2%

Date	Value	Change
Dec 31, 2012	23.72%	-23.4%
Dec 31, 2011	30.96%	+41.0%
Dec 31, 2010	21.96%	-6.3%
Dec 31, 2009	23.43%	-77.1%
Dec 31, 2008	102.21%	+125.0%
Dec 31, 2007	45.43%	+120.0%
Dec 31, 2006	20.65%	+1.6%
Dec 31, 2005	20.32%	-2.2%
Dec 31, 2004	20.78%	-9.3%
Dec 31, 2003	22.91%	-19.8%
Dec 31, 2002	28.58%	-33.9%
Dec 31, 2001	43.21%	-43.5%
Dec 31, 2000	76.51%	+5.6%
Dec 31, 1999	72.47%	-

FAQ

What is the current 3-month volatility of KT?: As of today, KT 3-month volatility is 21.88%
What 3-month volatility category does KT fall into?: Based on its current 3-month historical volatility, KT falls into the low volatility category
What is KT 3-month volatility 1-year high?: KT 3-month volatility reached a 1-year high of 27.07% on April 21, 2026
What is KT 3-month volatility 1-year low?: KT 3-month volatility reached a 1-year low of 16.04% on January 26, 2026

1-Year

22.45%

September 24, 2026

Summary

Current Value: As of today, KT 1-year volatility is 22.45%, up +0.18% on September 24, 2026
Value Category: Based on its current 1-year historical volatility, KT falls into the low volatility category
1-Year High: KT 1-year volatility reached a 1-year high of 25.05% on October 31, 2025
1-Year Low: KT 1-year volatility reached a 1-year low of 20.70% on January 26, 2026

Performance

KT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 24, 26	22.45%	+0.2%	-2.0%	+1.9%	+6.1%	-10.3%	+0.6%	-3.2%
10-Day Volatility	Sep 24, 26	14.72%	+1.9%	-27.2%	-39.2%	-19.2%	-24.9%	-21.4%	+33.8%
1-Month Volatility	Sep 24, 26	13.56%	-3.5%	-36.9%	-44.5%	-18.1%	-34.7%	-34.7%	-16.4%
3-Month Volatility	Sep 24, 26	21.88%	+0.8%	-11.6%	-5.7%	+12.0%	+7.8%	+3.9%	-1.0%
1-Year Volatility	Sep 24, 26	22.45%	+0.2%	-2.0%	+1.9%	+6.1%	-10.3%	+0.6%	-3.2%
14-Day RSI	Sep 24, 26	54.02	+4.0%	-11.2%	+52.6%	-4.4%	+42.2%	-1.3%	+19.8%
Beta	Sep 24, 26	0.46	0.0%	0.0%	0.0%	+84.0%	+76.9%	-6.1%	-4.2%
ATR	Sep 24, 26	$0.35	-3.8%	-15.4%	-27.2%	+18.2%	+0.1%	+92.5%	+75.5%
Price	Sep 25, 26	$19.74	+1.1%	+2.6%	+10.8%	+4.1%	+2.1%	+59.5%	+43.0%
200-Day SMA	Sep 24, 26	$19.96	+0.0%	+0.8%	-0.3%	+3.5%	+6.9%	+62.1%	+54.5%
50-Day SMA	Sep 24, 26	$18.93	+0.2%	+3.8%	-3.9%	+2.2%	-6.6%	+56.1%	+33.3%
20-Day SMA	Sep 24, 26	$19.65	+0.1%	+5.4%	+7.6%	+4.8%	-1.1%	+60.0%	+41.4%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	22.45%	+6.1%
Dec 31, 2025	21.16%	-16.1%
Dec 31, 2024	25.23%	+14.8%
Dec 31, 2023	21.97%	+0.1%
Dec 31, 2022	21.95%	-7.8%
Dec 31, 2021	23.81%	-30.4%
Dec 31, 2020	34.23%	+121.3%
Dec 31, 2019	15.47%	-29.6%
Dec 31, 2018	21.99%	+6.8%
Dec 31, 2017	20.59%	-12.9%
Dec 31, 2016	23.65%	+15.1%
Dec 31, 2015	20.54%	-14.3%
Dec 31, 2014	23.97%	+0.9%
Dec 31, 2013	23.75%	+1.5%

Date	Value	Change
Dec 31, 2012	23.39%	-16.4%
Dec 31, 2011	27.98%	-7.4%
Dec 31, 2010	30.21%	-22.7%
Dec 31, 2009	39.06%	-34.7%
Dec 31, 2008	59.86%	+80.6%
Dec 31, 2007	33.15%	+67.6%
Dec 31, 2006	19.78%	+1.9%
Dec 31, 2005	19.42%	-6.4%
Dec 31, 2004	20.75%	-19.6%
Dec 31, 2003	25.80%	-13.0%
Dec 31, 2002	29.67%	-42.8%
Dec 31, 2001	51.85%	-33.8%
Dec 31, 2000	78.34%	+21.8%
Dec 31, 1999	64.33%	-

FAQ

What is the current 1-year volatility of KT?: As of today, KT 1-year volatility is 22.45%
What 1-year volatility category does KT fall into?: Based on its current 1-year historical volatility, KT falls into the low volatility category
What is KT 1-year volatility 1-year high?: KT 1-year volatility reached a 1-year high of 25.05% on October 31, 2025
What is KT 1-year volatility 1-year low?: KT 1-year volatility reached a 1-year low of 20.70% on January 26, 2026

Data Sources & References

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