What is the current 10-day volatility of JKHY?

As of today, JKHY 10-day volatility is 26.28%

What 10-day volatility category does JKHY fall into?

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

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

JKHY 10-day volatility reached a 1-year high of 53.93% on February 17, 2026

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

JKHY 10-day volatility reached a 1-year low of 9.16% on September 9, 2025

What is the current 1-month volatility of JKHY?

As of today, JKHY 1-month volatility is 30.85%

What 1-month volatility category does JKHY fall into?

Based on its current 1-month historical volatility, JKHY falls into the moderate volatility category

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

JKHY 1-month volatility reached a 1-year high of 43.15% on March 2, 2026

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

JKHY 1-month volatility reached a 1-year low of 14.91% on October 27, 2025

What is the current 3-month volatility of JKHY?

As of today, JKHY 3-month volatility is 31.45%

What 3-month volatility category does JKHY fall into?

Based on its current 3-month historical volatility, JKHY falls into the moderate volatility category

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

JKHY 3-month volatility reached a 1-year high of 34.35% on July 30, 2026

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

JKHY 3-month volatility reached a 1-year low of 18.65% on August 19, 2025

What is the current 1-year volatility of JKHY?

As of today, JKHY 1-year volatility is 27.31%

What 1-year volatility category does JKHY fall into?

Based on its current 1-year historical volatility, JKHY falls into the moderate volatility category

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

JKHY 1-year volatility reached a 1-year high of 27.45% on July 30, 2026

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

JKHY 1-year volatility reached a 1-year low of 21.21% on September 9, 2025

JKHY Stock Volatility History & Chart Since 1985

10-Day

26.28%

August 18, 2026

Summary

Current Value: As of today, JKHY 10-day volatility is 26.28%, up +15.11% on August 18, 2026
Value Category: Based on its current 10-day historical volatility, JKHY falls into the moderate volatility category
1-Year High: JKHY 10-day volatility reached a 1-year high of 53.93% on February 17, 2026
1-Year Low: JKHY 10-day volatility reached a 1-year low of 9.16% on September 9, 2025

10-Day Volatility Chart

Performance

JKHY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 18, 26	26.28%	+15.1%	-16.4%	-37.3%	+95.1%	-0.5%	-31.5%	+22.7%
1-Month Volatility	Aug 18, 26	30.85%	+0.6%	-6.4%	-3.8%	+70.4%	+27.2%	+7.1%	+63.0%
3-Month Volatility	Aug 18, 26	31.45%	+1.1%	-1.9%	+12.4%	+64.0%	+67.5%	+38.9%	+101.0%
1-Year Volatility	Aug 18, 26	27.31%	+0.5%	+1.9%	+12.8%	+20.0%	+27.6%	-4.1%	+0.6%
14-Day RSI	Aug 18, 26	52.36	+10.5%	-19.0%	+47.7%	-6.8%	+47.3%	+83.7%	+7.7%
Beta	Aug 18, 26	-0.04	-100.0%	-144.4%	-125.0%	-111.1%	-111.8%	-104.9%	-105.3%
ATR	Aug 18, 26	$4.65	+1.8%	-4.7%	+0.5%	+50.4%	+30.5%	+12.2%	+38.6%
Price	Aug 18, 26	$153.12	+2.2%	+1.0%	+10.1%	-16.1%	-4.8%	-1.2%	-11.2%
200-Day SMA	Aug 18, 26	$159.37	+0.0%	+0.1%	-2.8%	-6.4%	-9.3%	-4.5%	-0.0%
50-Day SMA	Aug 18, 26	$144.43	+0.3%	+4.8%	-6.7%	-15.6%	-17.5%	-13.1%	-14.8%
20-Day SMA	Aug 18, 26	$153.92	+0.1%	+9.1%	+4.2%	-16.5%	-8.7%	-8.6%	-11.9%

10-Day Volatility History

Date	Value	Change
Aug 18, 2026	26.28%	+95.1%
Dec 31, 2025	13.47%	+52.4%
Dec 31, 2024	8.84%	-45.5%
Dec 31, 2023	16.22%	+11.2%
Dec 31, 2022	14.59%	+36.5%
Dec 31, 2021	10.69%	-57.4%
Dec 31, 2020	25.09%	+225.8%
Dec 31, 2019	7.70%	-72.0%
Dec 31, 2018	27.48%	+155.4%
Dec 31, 2017	10.76%	+69.4%
Dec 31, 2016	6.35%	-36.5%
Dec 31, 2015	10.00%	-35.3%
Dec 31, 2014	15.45%	+90.5%
Dec 31, 2013	8.11%	-52.3%
Dec 31, 2012	17.01%	-31.3%
Dec 31, 2011	24.75%	+271.1%
Dec 31, 2010	6.67%	-50.8%
Dec 31, 2009	13.57%	-55.9%
Dec 31, 2008	30.74%	+43.6%
Dec 31, 2007	21.41%	+17.6%
Dec 31, 2006	18.21%	+49.4%

Date	Value	Change
Dec 31, 2005	12.19%	-48.5%
Dec 31, 2004	23.66%	+68.9%
Dec 31, 2003	14.01%	-52.9%
Dec 31, 2002	29.73%	+6.3%
Dec 31, 2001	27.97%	-60.8%
Dec 31, 2000	71.32%	+173.8%
Dec 31, 1999	26.05%	-26.4%
Dec 31, 1998	35.39%	+20.3%
Dec 31, 1997	29.41%	-56.4%
Dec 31, 1996	67.49%	+121.9%
Dec 31, 1995	30.41%	-22.2%
Dec 31, 1994	39.07%	+5.7%
Dec 31, 1993	36.97%	-5.9%
Dec 31, 1992	39.30%	-47.4%
Dec 31, 1991	74.73%	+11.7%
Dec 31, 1990	66.90%	-23.2%
Dec 31, 1989	87.10%	+10.6%
Dec 31, 1988	78.74%	-41.1%
Dec 31, 1987	133.64%	+82.4%
Dec 31, 1986	73.28%	+451.4%
Dec 31, 1985	13.29%	-

FAQ

What is the current 10-day volatility of JKHY?: As of today, JKHY 10-day volatility is 26.28%
What 10-day volatility category does JKHY fall into?: Based on its current 10-day historical volatility, JKHY falls into the moderate volatility category
What is JKHY 10-day volatility 1-year high?: JKHY 10-day volatility reached a 1-year high of 53.93% on February 17, 2026
What is JKHY 10-day volatility 1-year low?: JKHY 10-day volatility reached a 1-year low of 9.16% on September 9, 2025

1-Month

30.85%

August 18, 2026

Summary

Current Value: As of today, JKHY 1-month volatility is 30.85%, up +0.62% on August 18, 2026
Value Category: Based on its current 1-month historical volatility, JKHY falls into the moderate volatility category
1-Year High: JKHY 1-month volatility reached a 1-year high of 43.15% on March 2, 2026
1-Year Low: JKHY 1-month volatility reached a 1-year low of 14.91% on October 27, 2025

Performance

JKHY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 18, 26	30.85%	+0.6%	-6.4%	-3.8%	+70.4%	+27.2%	+7.1%	+63.0%
10-Day Volatility	Aug 18, 26	26.28%	+15.1%	-16.4%	-37.3%	+95.1%	-0.5%	-31.5%	+22.7%
3-Month Volatility	Aug 18, 26	31.45%	+1.1%	-1.9%	+12.4%	+64.0%	+67.5%	+38.9%	+101.0%
1-Year Volatility	Aug 18, 26	27.31%	+0.5%	+1.9%	+12.8%	+20.0%	+27.6%	-4.1%	+0.6%
14-Day RSI	Aug 18, 26	52.36	+10.5%	-19.0%	+47.7%	-6.8%	+47.3%	+83.7%	+7.7%
Beta	Aug 18, 26	-0.04	-100.0%	-144.4%	-125.0%	-111.1%	-111.8%	-104.9%	-105.3%
ATR	Aug 18, 26	$4.65	+1.8%	-4.7%	+0.5%	+50.4%	+30.5%	+12.2%	+38.6%
Price	Aug 18, 26	$153.12	+2.2%	+1.0%	+10.1%	-16.1%	-4.8%	-1.2%	-11.2%
200-Day SMA	Aug 18, 26	$159.37	+0.0%	+0.1%	-2.8%	-6.4%	-9.3%	-4.5%	-0.0%
50-Day SMA	Aug 18, 26	$144.43	+0.3%	+4.8%	-6.7%	-15.6%	-17.5%	-13.1%	-14.8%
20-Day SMA	Aug 18, 26	$153.92	+0.1%	+9.1%	+4.2%	-16.5%	-8.7%	-8.6%	-11.9%

1-Month Volatility History

Date	Value	Change
Aug 18, 2026	30.85%	+74.2%
Dec 31, 2025	17.71%	+41.1%
Dec 31, 2024	12.55%	-28.0%
Dec 31, 2023	17.42%	-0.9%
Dec 31, 2022	17.58%	-26.5%
Dec 31, 2021	23.93%	+13.5%
Dec 31, 2020	21.09%	+87.8%
Dec 31, 2019	11.23%	-53.1%
Dec 31, 2018	23.96%	+113.7%
Dec 31, 2017	11.21%	-19.5%
Dec 31, 2016	13.93%	+59.6%
Dec 31, 2015	8.73%	-23.4%
Dec 31, 2014	11.40%	+4.1%
Dec 31, 2013	10.95%	-14.9%
Dec 31, 2012	12.87%	-46.0%
Dec 31, 2011	23.83%	+63.9%
Dec 31, 2010	14.54%	+30.6%
Dec 31, 2009	11.13%	-80.7%
Dec 31, 2008	57.78%	+128.5%
Dec 31, 2007	25.29%	+49.6%
Dec 31, 2006	16.91%	+42.1%

Date	Value	Change
Dec 31, 2005	11.90%	-40.6%
Dec 31, 2004	20.03%	-31.5%
Dec 31, 2003	29.26%	-17.7%
Dec 31, 2002	35.56%	-34.9%
Dec 31, 2001	54.64%	-2.8%
Dec 31, 2000	56.23%	+22.6%
Dec 31, 1999	45.87%	+18.5%
Dec 31, 1998	38.72%	+23.8%
Dec 31, 1997	31.28%	-38.2%
Dec 31, 1996	50.63%	+23.3%
Dec 31, 1995	41.05%	+6.8%
Dec 31, 1994	38.42%	+29.4%
Dec 31, 1993	29.70%	-25.5%
Dec 31, 1992	39.89%	-31.2%
Dec 31, 1991	57.95%	+2.3%
Dec 31, 1990	56.67%	-21.7%
Dec 31, 1989	72.35%	+8.4%
Dec 31, 1988	66.76%	-67.2%
Dec 31, 1987	203.41%	+309.3%
Dec 31, 1986	49.70%	+152.5%
Dec 31, 1985	19.68%	-

FAQ

What is the current 1-month volatility of JKHY?: As of today, JKHY 1-month volatility is 30.85%
What 1-month volatility category does JKHY fall into?: Based on its current 1-month historical volatility, JKHY falls into the moderate volatility category
What is JKHY 1-month volatility 1-year high?: JKHY 1-month volatility reached a 1-year high of 43.15% on March 2, 2026
What is JKHY 1-month volatility 1-year low?: JKHY 1-month volatility reached a 1-year low of 14.91% on October 27, 2025

3-Month

31.45%

August 18, 2026

Summary

Current Value: As of today, JKHY 3-month volatility is 31.45%, up +1.06% on August 18, 2026
Value Category: Based on its current 3-month historical volatility, JKHY falls into the moderate volatility category
1-Year High: JKHY 3-month volatility reached a 1-year high of 34.35% on July 30, 2026
1-Year Low: JKHY 3-month volatility reached a 1-year low of 18.65% on August 19, 2025

Performance

JKHY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 18, 26	31.45%	+1.1%	-1.9%	+12.4%	+64.0%	+67.5%	+38.9%	+101.0%
10-Day Volatility	Aug 18, 26	26.28%	+15.1%	-16.4%	-37.3%	+95.1%	-0.5%	-31.5%	+22.7%
1-Month Volatility	Aug 18, 26	30.85%	+0.6%	-6.4%	-3.8%	+70.4%	+27.2%	+7.1%	+63.0%
1-Year Volatility	Aug 18, 26	27.31%	+0.5%	+1.9%	+12.8%	+20.0%	+27.6%	-4.1%	+0.6%
14-Day RSI	Aug 18, 26	52.36	+10.5%	-19.0%	+47.7%	-6.8%	+47.3%	+83.7%	+7.7%
Beta	Aug 18, 26	-0.04	-100.0%	-144.4%	-125.0%	-111.1%	-111.8%	-104.9%	-105.3%
ATR	Aug 18, 26	$4.65	+1.8%	-4.7%	+0.5%	+50.4%	+30.5%	+12.2%	+38.6%
Price	Aug 18, 26	$153.12	+2.2%	+1.0%	+10.1%	-16.1%	-4.8%	-1.2%	-11.2%
200-Day SMA	Aug 18, 26	$159.37	+0.0%	+0.1%	-2.8%	-6.4%	-9.3%	-4.5%	-0.0%
50-Day SMA	Aug 18, 26	$144.43	+0.3%	+4.8%	-6.7%	-15.6%	-17.5%	-13.1%	-14.8%
20-Day SMA	Aug 18, 26	$153.92	+0.1%	+9.1%	+4.2%	-16.5%	-8.7%	-8.6%	-11.9%

3-Month Volatility History

Date	Value	Change
Aug 18, 2026	31.24%	+60.3%
Dec 31, 2025	19.49%	+40.7%
Dec 31, 2024	13.85%	-28.5%
Dec 31, 2023	19.37%	-28.3%
Dec 31, 2022	27.01%	+16.6%
Dec 31, 2021	23.16%	-4.5%
Dec 31, 2020	24.26%	+97.1%
Dec 31, 2019	12.31%	-50.1%
Dec 31, 2018	24.69%	+135.8%
Dec 31, 2017	10.47%	-32.8%
Dec 31, 2016	15.57%	+18.1%
Dec 31, 2015	13.18%	-13.0%
Dec 31, 2014	15.15%	+10.7%
Dec 31, 2013	13.68%	-9.6%
Dec 31, 2012	15.13%	-55.8%
Dec 31, 2011	34.22%	+133.3%
Dec 31, 2010	14.67%	-18.9%
Dec 31, 2009	18.08%	-76.4%
Dec 31, 2008	76.46%	+174.1%
Dec 31, 2007	27.89%	+37.5%
Dec 31, 2006	20.28%	-6.8%

Date	Value	Change
Dec 31, 2005	21.77%	+4.9%
Dec 31, 2004	20.76%	-28.2%
Dec 31, 2003	28.91%	-61.8%
Dec 31, 2002	75.67%	+54.1%
Dec 31, 2001	49.10%	-9.2%
Dec 31, 2000	54.06%	+11.4%
Dec 31, 1999	48.53%	-26.0%
Dec 31, 1998	65.58%	+62.6%
Dec 31, 1997	40.32%	-17.8%
Dec 31, 1996	49.08%	+27.2%
Dec 31, 1995	38.58%	-6.4%
Dec 31, 1994	41.22%	+10.2%
Dec 31, 1993	37.41%	-34.8%
Dec 31, 1992	57.35%	-4.7%
Dec 31, 1991	60.16%	-43.1%
Dec 31, 1990	105.80%	-2.0%
Dec 31, 1989	107.91%	+34.4%
Dec 31, 1988	80.30%	-62.1%
Dec 31, 1987	211.92%	+250.3%
Dec 31, 1986	60.49%	+138.3%
Dec 31, 1985	25.38%	-

FAQ

What is the current 3-month volatility of JKHY?: As of today, JKHY 3-month volatility is 31.45%
What 3-month volatility category does JKHY fall into?: Based on its current 3-month historical volatility, JKHY falls into the moderate volatility category
What is JKHY 3-month volatility 1-year high?: JKHY 3-month volatility reached a 1-year high of 34.35% on July 30, 2026
What is JKHY 3-month volatility 1-year low?: JKHY 3-month volatility reached a 1-year low of 18.65% on August 19, 2025

1-Year

27.31%

August 18, 2026

Summary

Current Value: As of today, JKHY 1-year volatility is 27.31%, up +0.52% on August 18, 2026
Value Category: Based on its current 1-year historical volatility, JKHY falls into the moderate volatility category
1-Year High: JKHY 1-year volatility reached a 1-year high of 27.45% on July 30, 2026
1-Year Low: JKHY 1-year volatility reached a 1-year low of 21.21% on September 9, 2025

Performance

JKHY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 18, 26	27.31%	+0.5%	+1.9%	+12.8%	+20.0%	+27.6%	-4.1%	+0.6%
10-Day Volatility	Aug 18, 26	26.28%	+15.1%	-16.4%	-37.3%	+95.1%	-0.5%	-31.5%	+22.7%
1-Month Volatility	Aug 18, 26	30.85%	+0.6%	-6.4%	-3.8%	+70.4%	+27.2%	+7.1%	+63.0%
3-Month Volatility	Aug 18, 26	31.45%	+1.1%	-1.9%	+12.4%	+64.0%	+67.5%	+38.9%	+101.0%
1-Year Volatility	Aug 18, 26	27.31%	+0.5%	+1.9%	+12.8%	+20.0%	+27.6%	-4.1%	+0.6%
14-Day RSI	Aug 18, 26	52.36	+10.5%	-19.0%	+47.7%	-6.8%	+47.3%	+83.7%	+7.7%
Beta	Aug 18, 26	-0.04	-100.0%	-144.4%	-125.0%	-111.1%	-111.8%	-104.9%	-105.3%
ATR	Aug 18, 26	$4.65	+1.8%	-4.7%	+0.5%	+50.4%	+30.5%	+12.2%	+38.6%
Price	Aug 18, 26	$153.12	+2.2%	+1.0%	+10.1%	-16.1%	-4.8%	-1.2%	-11.2%
200-Day SMA	Aug 18, 26	$159.37	+0.0%	+0.1%	-2.8%	-6.4%	-9.3%	-4.5%	-0.0%
50-Day SMA	Aug 18, 26	$144.43	+0.3%	+4.8%	-6.7%	-15.6%	-17.5%	-13.1%	-14.8%
20-Day SMA	Aug 18, 26	$153.92	+0.1%	+9.1%	+4.2%	-16.5%	-8.7%	-8.6%	-11.9%

1-Year Volatility History

Date	Value	Change
Aug 18, 2026	27.26%	+19.8%
Dec 31, 2025	22.76%	+29.9%
Dec 31, 2024	17.52%	-35.1%
Dec 31, 2023	26.99%	+7.4%
Dec 31, 2022	25.14%	+13.9%
Dec 31, 2021	22.07%	-44.4%
Dec 31, 2020	39.69%	+134.2%
Dec 31, 2019	16.95%	-15.6%
Dec 31, 2018	20.08%	+71.9%
Dec 31, 2017	11.68%	-30.6%
Dec 31, 2016	16.83%	+2.6%
Dec 31, 2015	16.40%	+5.7%
Dec 31, 2014	15.51%	+4.7%
Dec 31, 2013	14.82%	-1.5%
Dec 31, 2012	15.05%	-50.4%
Dec 31, 2011	30.36%	+42.5%
Dec 31, 2010	21.31%	-27.6%
Dec 31, 2009	29.42%	-41.2%
Dec 31, 2008	50.04%	+114.6%
Dec 31, 2007	23.32%	-15.2%
Dec 31, 2006	27.49%	+27.8%

Date	Value	Change
Dec 31, 2005	21.51%	-11.7%
Dec 31, 2004	24.35%	-31.8%
Dec 31, 2003	35.72%	-37.2%
Dec 31, 2002	56.84%	+6.6%
Dec 31, 2001	53.31%	-10.5%
Dec 31, 2000	59.57%	+9.8%
Dec 31, 1999	54.26%	+6.2%
Dec 31, 1998	51.07%	+10.1%
Dec 31, 1997	46.39%	-6.5%
Dec 31, 1996	49.59%	+22.5%
Dec 31, 1995	40.47%	-21.3%
Dec 31, 1994	51.45%	+6.0%
Dec 31, 1993	48.55%	-24.4%
Dec 31, 1992	64.25%	-14.9%
Dec 31, 1991	75.54%	-20.4%
Dec 31, 1990	94.89%	+17.0%
Dec 31, 1989	81.08%	-2.5%
Dec 31, 1988	83.17%	-31.4%
Dec 31, 1987	121.19%	+85.8%
Dec 31, 1986	65.24%	+157.1%
Dec 31, 1985	25.38%	-

FAQ

What is the current 1-year volatility of JKHY?: As of today, JKHY 1-year volatility is 27.31%
What 1-year volatility category does JKHY fall into?: Based on its current 1-year historical volatility, JKHY falls into the moderate volatility category
What is JKHY 1-year volatility 1-year high?: JKHY 1-year volatility reached a 1-year high of 27.45% on July 30, 2026
What is JKHY 1-year volatility 1-year low?: JKHY 1-year volatility reached a 1-year low of 21.21% on September 9, 2025

Data Sources & References

JKHY Official Website www.jackhenry.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/779152/000077915225000055/0000779152-25-000055-index.htm
JKHY Profile on Yahoo Finance finance.yahoo.com/quote/JKHY
JKHY Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/jkhy