What is the current 10-day volatility of KT?

As of today, KT 10-day volatility is 25.53%

What 10-day volatility category does KT fall into?

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

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

KT 10-day volatility reached a 1-year high of 31.19% on October 22, 2025

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

KT 10-day volatility reached a 1-year low of 9.85% on January 9, 2026

What is the current 1-month volatility of KT?

As of today, KT 1-month volatility is 25.44%

What 1-month volatility category does KT fall into?

Based on its current 1-month historical volatility, KT falls into the moderate 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 23.42%

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 22.15%

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 26.19% on July 11, 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

25.53%

June 17, 2026

Summary

Current Value: As of today, KT 10-day volatility is 25.53%, up +14.90% on June 17, 2026
Value Category: Based on its current 10-day historical volatility, KT falls into the moderate volatility category
1-Year High: KT 10-day volatility reached a 1-year high of 31.19% on October 22, 2025
1-Year Low: KT 10-day volatility reached a 1-year low of 9.85% on January 9, 2026

10-Day Volatility Chart

Performance

KT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jun 17, 26	25.53%	+14.9%	+11.6%	-15.3%	+40.1%	+26.7%	+25.2%	+105.9%
1-Month Volatility	Jun 17, 26	25.44%	+2.3%	+23.4%	-14.2%	+53.7%	+45.1%	+6.9%	-2.3%
3-Month Volatility	Jun 17, 26	23.42%	-1.3%	-5.8%	-3.3%	+19.9%	+1.7%	+10.3%	-1.0%
1-Year Volatility	Jun 17, 26	22.15%	+0.5%	+3.0%	+1.1%	+4.7%	-14.2%	+1.6%	-5.8%
14-Day RSI	Jun 17, 26	39.61	-13.5%	+73.1%	-16.3%	-29.9%	-28.6%	-29.8%	-20.4%
Beta	Jun 17, 26	0.47	+2.2%	+9.3%	+74.1%	+88.0%	+56.7%	0.0%	-2.1%
ATR	Jun 17, 26	$0.48	+1.2%	+6.5%	-23.1%	+60.1%	+30.7%	+143.4%	+98.0%
Price	Jun 17, 26	$18.26	-2.7%	-4.7%	-17.0%	-3.7%	-7.5%	+51.5%	+27.4%
200-Day SMA	Jun 17, 26	$20.07	-0.1%	-1.1%	+0.1%	+4.1%	+17.5%	+58.4%	+73.8%
50-Day SMA	Jun 17, 26	$20.16	-0.3%	-6.5%	-6.6%	+8.8%	+6.0%	+73.0%	+46.9%
20-Day SMA	Jun 17, 26	$18.35	-0.2%	-12.6%	-19.8%	-2.1%	-5.8%	+54.8%	+24.9%

10-Day Volatility History

Date	Value	Change
Jun 18, 2026	25.53%	+40.1%
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 25.53%
What 10-day volatility category does KT fall into?
Based on its current 10-day historical volatility, KT falls into the moderate volatility category
What is KT 10-day volatility 1-year high?
KT 10-day volatility reached a 1-year high of 31.19% on October 22, 2025
What is KT 10-day volatility 1-year low?
KT 10-day volatility reached a 1-year low of 9.85% on January 9, 2026

1-Month

25.44%

June 17, 2026

Summary

Current Value: As of today, KT 1-month volatility is 25.44%, up +2.33% on June 17, 2026
Value Category: Based on its current 1-month historical volatility, KT falls into the moderate 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	Jun 17, 26	25.44%	+2.3%	+23.4%	-14.2%	+53.7%	+45.1%	+6.9%	-2.3%
10-Day Volatility	Jun 17, 26	25.53%	+14.9%	+11.6%	-15.3%	+40.1%	+26.7%	+25.2%	+105.9%
3-Month Volatility	Jun 17, 26	23.42%	-1.3%	-5.8%	-3.3%	+19.9%	+1.7%	+10.3%	-1.0%
1-Year Volatility	Jun 17, 26	22.15%	+0.5%	+3.0%	+1.1%	+4.7%	-14.2%	+1.6%	-5.8%
14-Day RSI	Jun 17, 26	39.61	-13.5%	+73.1%	-16.3%	-29.9%	-28.6%	-29.8%	-20.4%
Beta	Jun 17, 26	0.47	+2.2%	+9.3%	+74.1%	+88.0%	+56.7%	0.0%	-2.1%
ATR	Jun 17, 26	$0.48	+1.2%	+6.5%	-23.1%	+60.1%	+30.7%	+143.4%	+98.0%
Price	Jun 17, 26	$18.26	-2.7%	-4.7%	-17.0%	-3.7%	-7.5%	+51.5%	+27.4%
200-Day SMA	Jun 17, 26	$20.07	-0.1%	-1.1%	+0.1%	+4.1%	+17.5%	+58.4%	+73.8%
50-Day SMA	Jun 17, 26	$20.16	-0.3%	-6.5%	-6.6%	+8.8%	+6.0%	+73.0%	+46.9%
20-Day SMA	Jun 17, 26	$18.35	-0.2%	-12.6%	-19.8%	-2.1%	-5.8%	+54.8%	+24.9%

1-Month Volatility History

Date	Value	Change
Jun 18, 2026	25.44%	+57.0%
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 25.44%
What 1-month volatility category does KT fall into?
Based on its current 1-month historical volatility, KT falls into the moderate 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

23.42%

June 17, 2026

Summary

Current Value: As of today, KT 3-month volatility is 23.42%, down -1.31% on June 17, 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	Jun 17, 26	23.42%	-1.3%	-5.8%	-3.3%	+19.9%	+1.7%	+10.3%	-1.0%
10-Day Volatility	Jun 17, 26	25.53%	+14.9%	+11.6%	-15.3%	+40.1%	+26.7%	+25.2%	+105.9%
1-Month Volatility	Jun 17, 26	25.44%	+2.3%	+23.4%	-14.2%	+53.7%	+45.1%	+6.9%	-2.3%
1-Year Volatility	Jun 17, 26	22.15%	+0.5%	+3.0%	+1.1%	+4.7%	-14.2%	+1.6%	-5.8%
14-Day RSI	Jun 17, 26	39.61	-13.5%	+73.1%	-16.3%	-29.9%	-28.6%	-29.8%	-20.4%
Beta	Jun 17, 26	0.47	+2.2%	+9.3%	+74.1%	+88.0%	+56.7%	0.0%	-2.1%
ATR	Jun 17, 26	$0.48	+1.2%	+6.5%	-23.1%	+60.1%	+30.7%	+143.4%	+98.0%
Price	Jun 17, 26	$18.26	-2.7%	-4.7%	-17.0%	-3.7%	-7.5%	+51.5%	+27.4%
200-Day SMA	Jun 17, 26	$20.07	-0.1%	-1.1%	+0.1%	+4.1%	+17.5%	+58.4%	+73.8%
50-Day SMA	Jun 17, 26	$20.16	-0.3%	-6.5%	-6.6%	+8.8%	+6.0%	+73.0%	+46.9%
20-Day SMA	Jun 17, 26	$18.35	-0.2%	-12.6%	-19.8%	-2.1%	-5.8%	+54.8%	+24.9%

3-Month Volatility History

Date	Value	Change
Jun 18, 2026	23.42%	+19.6%
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 23.42%
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

22.15%

June 17, 2026

Summary

Current Value: As of today, KT 1-year volatility is 22.15%, up +0.50% on June 17, 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 26.19% on July 11, 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	Jun 17, 26	22.15%	+0.5%	+3.0%	+1.1%	+4.7%	-14.2%	+1.6%	-5.8%
10-Day Volatility	Jun 17, 26	25.53%	+14.9%	+11.6%	-15.3%	+40.1%	+26.7%	+25.2%	+105.9%
1-Month Volatility	Jun 17, 26	25.44%	+2.3%	+23.4%	-14.2%	+53.7%	+45.1%	+6.9%	-2.3%
3-Month Volatility	Jun 17, 26	23.42%	-1.3%	-5.8%	-3.3%	+19.9%	+1.7%	+10.3%	-1.0%
1-Year Volatility	Jun 17, 26	22.15%	+0.5%	+3.0%	+1.1%	+4.7%	-14.2%	+1.6%	-5.8%
14-Day RSI	Jun 17, 26	39.61	-13.5%	+73.1%	-16.3%	-29.9%	-28.6%	-29.8%	-20.4%
Beta	Jun 17, 26	0.47	+2.2%	+9.3%	+74.1%	+88.0%	+56.7%	0.0%	-2.1%
ATR	Jun 17, 26	$0.48	+1.2%	+6.5%	-23.1%	+60.1%	+30.7%	+143.4%	+98.0%
Price	Jun 17, 26	$18.26	-2.7%	-4.7%	-17.0%	-3.7%	-7.5%	+51.5%	+27.4%
200-Day SMA	Jun 17, 26	$20.07	-0.1%	-1.1%	+0.1%	+4.1%	+17.5%	+58.4%	+73.8%
50-Day SMA	Jun 17, 26	$20.16	-0.3%	-6.5%	-6.6%	+8.8%	+6.0%	+73.0%	+46.9%
20-Day SMA	Jun 17, 26	$18.35	-0.2%	-12.6%	-19.8%	-2.1%	-5.8%	+54.8%	+24.9%

1-Year Volatility History

Date	Value	Change
Jun 18, 2026	22.15%	+4.7%
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 22.15%
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 26.19% on July 11, 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