What is the current 10-day volatility of PH?

As of today, PH 10-day volatility is 18.92%

What 10-day volatility category does PH fall into?

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

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

PH 10-day volatility reached a 1-year high of 45.75% on August 11, 2026

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

PH 10-day volatility reached a 1-year low of 10.36% on December 8, 2025

What is the current 1-month volatility of PH?

As of today, PH 1-month volatility is 22.80%

What 1-month volatility category does PH fall into?

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

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

PH 1-month volatility reached a 1-year high of 37.01% on April 10, 2026

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

PH 1-month volatility reached a 1-year low of 15.63% on October 2, 2025

What is the current 3-month volatility of PH?

As of today, PH 3-month volatility is 25.88%

What 3-month volatility category does PH fall into?

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

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

PH 3-month volatility reached a 1-year high of 31.58% on May 8, 2026

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

PH 3-month volatility reached a 1-year low of 19.09% on February 17, 2026

What is the current 1-year volatility of PH?

As of today, PH 1-year volatility is 26.48%

What 1-year volatility category does PH fall into?

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

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

PH 1-year volatility reached a 1-year high of 32.21% on October 24, 2025

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

PH 1-year volatility reached a 1-year low of 23.88% on April 24, 2026

PH Stock Volatility History & Chart Since 1980

10-Day

18.92%

September 25, 2026

Summary

Current Value: As of today, PH 10-day volatility is 18.92%, down -18.27% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, PH falls into the low volatility category
1-Year High: PH 10-day volatility reached a 1-year high of 45.75% on August 11, 2026
1-Year Low: PH 10-day volatility reached a 1-year low of 10.36% on December 8, 2025

10-Day Volatility Chart

Performance

PH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	18.92%	-18.3%	+7.4%	-12.8%	+49.9%	-4.8%	-30.1%	-24.4%
1-Month Volatility	Sep 25, 26	22.80%	-7.5%	-31.6%	-17.5%	+27.4%	+32.9%	-3.8%	+15.0%
3-Month Volatility	Sep 25, 26	25.88%	-4.0%	-5.9%	-16.2%	+3.9%	+22.5%	+17.9%	+20.8%
1-Year Volatility	Sep 25, 26	26.48%	-0.1%	+2.0%	+4.7%	-16.6%	-16.2%	-5.1%	-7.3%
14-Day RSI	Sep 25, 26	53.88	+2.5%	+4.3%	-24.1%	-3.9%	+15.1%	+23.6%	+16.1%
Beta	Sep 25, 26	0.82	0.0%	0.0%	-6.8%	-36.9%	-38.8%	-25.4%	-29.9%
ATR	Sep 25, 26	$21.64	-4.3%	-9.1%	-15.2%	+55.2%	+50.2%	+144.8%	+234.3%
Price	Sep 25, 26	$978.33	+0.3%	-3.7%	-1.2%	+11.3%	+31.3%	+149.9%	+239.9%
200-Day SMA	Sep 25, 26	$942.83	+0.1%	+1.3%	+7.1%	+30.0%	+40.1%	+168.5%	+217.7%
50-Day SMA	Sep 25, 26	$987.93	+0.1%	+0.1%	+9.0%	+17.7%	+33.0%	+144.0%	+233.4%
20-Day SMA	Sep 25, 26	$954.10	-0.6%	-6.8%	+5.7%	+8.4%	+26.1%	+137.0%	+228.9%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	18.92%	+49.9%
Dec 31, 2025	12.62%	-38.5%
Dec 31, 2024	20.51%	+18.3%
Dec 31, 2023	17.34%	-19.3%
Dec 31, 2022	21.48%	-28.6%
Dec 31, 2021	30.08%	+97.9%
Dec 31, 2020	15.20%	+6.3%
Dec 31, 2019	14.30%	-57.6%
Dec 31, 2018	33.72%	+197.4%
Dec 31, 2017	11.34%	+0.4%
Dec 31, 2016	11.30%	-64.9%
Dec 31, 2015	32.19%	+81.9%
Dec 31, 2014	17.70%	+29.8%
Dec 31, 2013	13.64%	-40.7%
Dec 31, 2012	23.00%	-15.1%
Dec 31, 2011	27.09%	+211.4%
Dec 31, 2010	8.70%	-44.7%
Dec 31, 2009	15.74%	-54.4%
Dec 31, 2008	34.55%	+48.5%
Dec 31, 2007	23.26%	+47.6%
Dec 31, 2006	15.76%	-2.2%
Dec 31, 2005	16.11%	+34.6%
Dec 31, 2004	11.97%	+5.5%
Dec 31, 2003	11.35%	+35.1%

Date	Value	Change
Dec 31, 2002	8.40%	-65.2%
Dec 31, 2001	24.13%	-57.1%
Dec 31, 2000	56.25%	+15.3%
Dec 31, 1999	48.77%	+82.8%
Dec 31, 1998	26.68%	-12.7%
Dec 31, 1997	30.57%	+92.1%
Dec 31, 1996	15.91%	-44.7%
Dec 31, 1995	28.79%	+184.8%
Dec 31, 1994	10.11%	-43.5%
Dec 31, 1993	17.90%	-14.2%
Dec 31, 1992	20.87%	+32.0%
Dec 31, 1991	15.81%	-37.1%
Dec 31, 1990	25.14%	-7.5%
Dec 31, 1989	27.19%	+72.1%
Dec 31, 1988	15.80%	-56.0%
Dec 31, 1987	35.92%	+76.3%
Dec 31, 1986	20.38%	-31.7%
Dec 31, 1985	29.86%	-3.9%
Dec 31, 1984	31.07%	+16.1%
Dec 31, 1983	26.75%	-9.9%
Dec 31, 1982	29.69%	-3.4%
Dec 31, 1981	30.72%	+68.6%
Dec 31, 1980	18.22%	-

FAQ

What is the current 10-day volatility of PH?: As of today, PH 10-day volatility is 18.92%
What 10-day volatility category does PH fall into?: Based on its current 10-day historical volatility, PH falls into the low volatility category
What is PH 10-day volatility 1-year high?: PH 10-day volatility reached a 1-year high of 45.75% on August 11, 2026
What is PH 10-day volatility 1-year low?: PH 10-day volatility reached a 1-year low of 10.36% on December 8, 2025

1-Month

22.80%

September 25, 2026

Summary

Current Value: As of today, PH 1-month volatility is 22.80%, down -7.54% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, PH falls into the low volatility category
1-Year High: PH 1-month volatility reached a 1-year high of 37.01% on April 10, 2026
1-Year Low: PH 1-month volatility reached a 1-year low of 15.63% on October 2, 2025

Performance

PH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	22.80%	-7.5%	-31.6%	-17.5%	+27.4%	+32.9%	-3.8%	+15.0%
10-Day Volatility	Sep 25, 26	18.92%	-18.3%	+7.4%	-12.8%	+49.9%	-4.8%	-30.1%	-24.4%
3-Month Volatility	Sep 25, 26	25.88%	-4.0%	-5.9%	-16.2%	+3.9%	+22.5%	+17.9%	+20.8%
1-Year Volatility	Sep 25, 26	26.48%	-0.1%	+2.0%	+4.7%	-16.6%	-16.2%	-5.1%	-7.3%
14-Day RSI	Sep 25, 26	53.88	+2.5%	+4.3%	-24.1%	-3.9%	+15.1%	+23.6%	+16.1%
Beta	Sep 25, 26	0.82	0.0%	0.0%	-6.8%	-36.9%	-38.8%	-25.4%	-29.9%
ATR	Sep 25, 26	$21.64	-4.3%	-9.1%	-15.2%	+55.2%	+50.2%	+144.8%	+234.3%
Price	Sep 25, 26	$978.33	+0.3%	-3.7%	-1.2%	+11.3%	+31.3%	+149.9%	+239.9%
200-Day SMA	Sep 25, 26	$942.83	+0.1%	+1.3%	+7.1%	+30.0%	+40.1%	+168.5%	+217.7%
50-Day SMA	Sep 25, 26	$987.93	+0.1%	+0.1%	+9.0%	+17.7%	+33.0%	+144.0%	+233.4%
20-Day SMA	Sep 25, 26	$954.10	-0.6%	-6.8%	+5.7%	+8.4%	+26.1%	+137.0%	+228.9%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	23.88%	+35.2%
Dec 31, 2025	17.66%	+5.7%
Dec 31, 2024	16.71%	-6.0%
Dec 31, 2023	17.78%	-12.6%
Dec 31, 2022	20.35%	-28.2%
Dec 31, 2021	28.36%	+53.7%
Dec 31, 2020	18.45%	+17.3%
Dec 31, 2019	15.73%	-55.0%
Dec 31, 2018	34.99%	+118.0%
Dec 31, 2017	16.05%	-16.8%
Dec 31, 2016	19.29%	-32.1%
Dec 31, 2015	28.39%	+28.6%
Dec 31, 2014	22.08%	+16.8%
Dec 31, 2013	18.90%	-10.6%
Dec 31, 2012	21.15%	-22.8%
Dec 31, 2011	27.38%	+85.8%
Dec 31, 2010	14.74%	-28.1%
Dec 31, 2009	20.50%	-58.0%
Dec 31, 2008	48.84%	+95.5%
Dec 31, 2007	24.98%	+25.7%
Dec 31, 2006	19.87%	+11.3%
Dec 31, 2005	17.86%	-6.4%
Dec 31, 2004	19.08%	-9.3%
Dec 31, 2003	21.03%	-10.5%

Date	Value	Change
Dec 31, 2002	23.49%	-2.7%
Dec 31, 2001	24.13%	-55.7%
Dec 31, 2000	54.48%	+45.2%
Dec 31, 1999	37.52%	+6.8%
Dec 31, 1998	35.12%	+17.0%
Dec 31, 1997	30.01%	+57.2%
Dec 31, 1996	19.09%	-30.6%
Dec 31, 1995	27.49%	+105.9%
Dec 31, 1994	13.35%	-46.4%
Dec 31, 1993	24.91%	-3.4%
Dec 31, 1992	25.79%	+34.7%
Dec 31, 1991	19.15%	-33.7%
Dec 31, 1990	28.87%	+6.9%
Dec 31, 1989	27.01%	+52.5%
Dec 31, 1988	17.71%	-56.0%
Dec 31, 1987	40.27%	+147.1%
Dec 31, 1986	16.30%	-33.3%
Dec 31, 1985	24.43%	+4.9%
Dec 31, 1984	23.29%	+3.2%
Dec 31, 1983	22.56%	-36.6%
Dec 31, 1982	35.56%	+7.9%
Dec 31, 1981	32.97%	+13.6%
Dec 31, 1980	29.02%	-

FAQ

What is the current 1-month volatility of PH?: As of today, PH 1-month volatility is 22.80%
What 1-month volatility category does PH fall into?: Based on its current 1-month historical volatility, PH falls into the low volatility category
What is PH 1-month volatility 1-year high?: PH 1-month volatility reached a 1-year high of 37.01% on April 10, 2026
What is PH 1-month volatility 1-year low?: PH 1-month volatility reached a 1-year low of 15.63% on October 2, 2025

3-Month

25.88%

September 25, 2026

Summary

Current Value: As of today, PH 3-month volatility is 25.88%, down -4.04% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, PH falls into the moderate volatility category
1-Year High: PH 3-month volatility reached a 1-year high of 31.58% on May 8, 2026
1-Year Low: PH 3-month volatility reached a 1-year low of 19.09% on February 17, 2026

Performance

PH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	25.88%	-4.0%	-5.9%	-16.2%	+3.9%	+22.5%	+17.9%	+20.8%
10-Day Volatility	Sep 25, 26	18.92%	-18.3%	+7.4%	-12.8%	+49.9%	-4.8%	-30.1%	-24.4%
1-Month Volatility	Sep 25, 26	22.80%	-7.5%	-31.6%	-17.5%	+27.4%	+32.9%	-3.8%	+15.0%
1-Year Volatility	Sep 25, 26	26.48%	-0.1%	+2.0%	+4.7%	-16.6%	-16.2%	-5.1%	-7.3%
14-Day RSI	Sep 25, 26	53.88	+2.5%	+4.3%	-24.1%	-3.9%	+15.1%	+23.6%	+16.1%
Beta	Sep 25, 26	0.82	0.0%	0.0%	-6.8%	-36.9%	-38.8%	-25.4%	-29.9%
ATR	Sep 25, 26	$21.64	-4.3%	-9.1%	-15.2%	+55.2%	+50.2%	+144.8%	+234.3%
Price	Sep 25, 26	$978.33	+0.3%	-3.7%	-1.2%	+11.3%	+31.3%	+149.9%	+239.9%
200-Day SMA	Sep 25, 26	$942.83	+0.1%	+1.3%	+7.1%	+30.0%	+40.1%	+168.5%	+217.7%
50-Day SMA	Sep 25, 26	$987.93	+0.1%	+0.1%	+9.0%	+17.7%	+33.0%	+144.0%	+233.4%
20-Day SMA	Sep 25, 26	$954.10	-0.6%	-6.8%	+5.7%	+8.4%	+26.1%	+137.0%	+228.9%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	26.02%	+5.1%
Dec 31, 2025	24.75%	+5.1%
Dec 31, 2024	23.56%	-17.0%
Dec 31, 2023	28.40%	-5.0%
Dec 31, 2022	29.90%	+2.7%
Dec 31, 2021	29.12%	-20.1%
Dec 31, 2020	36.44%	+35.0%
Dec 31, 2019	26.99%	-15.6%
Dec 31, 2018	31.96%	+129.6%
Dec 31, 2017	13.92%	-37.2%
Dec 31, 2016	22.15%	-13.6%
Dec 31, 2015	25.64%	-12.0%
Dec 31, 2014	29.14%	+42.3%
Dec 31, 2013	20.48%	-25.4%
Dec 31, 2012	27.44%	-35.6%
Dec 31, 2011	42.59%	+90.8%
Dec 31, 2010	22.32%	-26.4%
Dec 31, 2009	30.32%	-61.4%
Dec 31, 2008	78.52%	+156.4%
Dec 31, 2007	30.62%	+57.4%
Dec 31, 2006	19.45%	+5.1%
Dec 31, 2005	18.50%	-24.0%
Dec 31, 2004	24.35%	+10.3%
Dec 31, 2003	22.07%	-51.4%

Date	Value	Change
Dec 31, 2002	45.39%	+44.0%
Dec 31, 2001	31.53%	-31.0%
Dec 31, 2000	45.71%	+18.8%
Dec 31, 1999	38.48%	+7.8%
Dec 31, 1998	35.68%	-14.3%
Dec 31, 1997	41.65%	+82.2%
Dec 31, 1996	22.86%	-28.1%
Dec 31, 1995	31.80%	+71.2%
Dec 31, 1994	18.58%	-18.0%
Dec 31, 1993	22.67%	-24.8%
Dec 31, 1992	30.14%	+27.9%
Dec 31, 1991	23.57%	-38.1%
Dec 31, 1990	38.09%	+63.1%
Dec 31, 1989	23.36%	+10.3%
Dec 31, 1988	21.18%	-75.7%
Dec 31, 1987	87.16%	+218.7%
Dec 31, 1986	27.35%	+27.9%
Dec 31, 1985	21.38%	-11.6%
Dec 31, 1984	24.19%	-5.9%
Dec 31, 1983	25.70%	-35.1%
Dec 31, 1982	39.61%	+11.9%
Dec 31, 1981	35.41%	+5.4%
Dec 31, 1980	33.60%	-

FAQ

What is the current 3-month volatility of PH?: As of today, PH 3-month volatility is 25.88%
What 3-month volatility category does PH fall into?: Based on its current 3-month historical volatility, PH falls into the moderate volatility category
What is PH 3-month volatility 1-year high?: PH 3-month volatility reached a 1-year high of 31.58% on May 8, 2026
What is PH 3-month volatility 1-year low?: PH 3-month volatility reached a 1-year low of 19.09% on February 17, 2026

1-Year

26.48%

September 25, 2026

Summary

Current Value: As of today, PH 1-year volatility is 26.48%, down -0.11% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, PH falls into the moderate volatility category
1-Year High: PH 1-year volatility reached a 1-year high of 32.21% on October 24, 2025
1-Year Low: PH 1-year volatility reached a 1-year low of 23.88% on April 24, 2026

Performance

PH Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	26.48%	-0.1%	+2.0%	+4.7%	-16.6%	-16.2%	-5.1%	-7.3%
10-Day Volatility	Sep 25, 26	18.92%	-18.3%	+7.4%	-12.8%	+49.9%	-4.8%	-30.1%	-24.4%
1-Month Volatility	Sep 25, 26	22.80%	-7.5%	-31.6%	-17.5%	+27.4%	+32.9%	-3.8%	+15.0%
3-Month Volatility	Sep 25, 26	25.88%	-4.0%	-5.9%	-16.2%	+3.9%	+22.5%	+17.9%	+20.8%
1-Year Volatility	Sep 25, 26	26.48%	-0.1%	+2.0%	+4.7%	-16.6%	-16.2%	-5.1%	-7.3%
14-Day RSI	Sep 25, 26	53.88	+2.5%	+4.3%	-24.1%	-3.9%	+15.1%	+23.6%	+16.1%
Beta	Sep 25, 26	0.82	0.0%	0.0%	-6.8%	-36.9%	-38.8%	-25.4%	-29.9%
ATR	Sep 25, 26	$21.64	-4.3%	-9.1%	-15.2%	+55.2%	+50.2%	+144.8%	+234.3%
Price	Sep 25, 26	$978.33	+0.3%	-3.7%	-1.2%	+11.3%	+31.3%	+149.9%	+239.9%
200-Day SMA	Sep 25, 26	$942.83	+0.1%	+1.3%	+7.1%	+30.0%	+40.1%	+168.5%	+217.7%
50-Day SMA	Sep 25, 26	$987.93	+0.1%	+0.1%	+9.0%	+17.7%	+33.0%	+144.0%	+233.4%
20-Day SMA	Sep 25, 26	$954.10	-0.6%	-6.8%	+5.7%	+8.4%	+26.1%	+137.0%	+228.9%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	26.44%	-16.8%
Dec 31, 2025	31.77%	+22.4%
Dec 31, 2024	25.95%	-4.8%
Dec 31, 2023	27.27%	-12.6%
Dec 31, 2022	31.20%	+18.1%
Dec 31, 2021	26.41%	-55.8%
Dec 31, 2020	59.71%	+120.2%
Dec 31, 2019	27.12%	+2.6%
Dec 31, 2018	26.42%	+54.0%
Dec 31, 2017	17.16%	-25.5%
Dec 31, 2016	23.02%	-0.3%
Dec 31, 2015	23.10%	+3.3%
Dec 31, 2014	22.36%	+9.0%
Dec 31, 2013	20.52%	-25.4%
Dec 31, 2012	27.50%	-27.4%
Dec 31, 2011	37.89%	+23.0%
Dec 31, 2010	30.81%	-27.9%
Dec 31, 2009	42.75%	-17.5%
Dec 31, 2008	51.79%	+95.3%
Dec 31, 2007	26.52%	+18.8%
Dec 31, 2006	22.33%	-10.4%
Dec 31, 2005	24.92%	+5.5%
Dec 31, 2004	23.61%	-19.2%
Dec 31, 2003	29.22%	-21.6%

Date	Value	Change
Dec 31, 2002	37.28%	+12.6%
Dec 31, 2001	33.11%	-32.9%
Dec 31, 2000	49.35%	+36.1%
Dec 31, 1999	36.26%	+5.4%
Dec 31, 1998	34.41%	+12.4%
Dec 31, 1997	30.62%	+23.4%
Dec 31, 1996	24.81%	-6.9%
Dec 31, 1995	26.66%	+15.0%
Dec 31, 1994	23.19%	+4.6%
Dec 31, 1993	22.17%	-18.5%
Dec 31, 1992	27.20%	+6.5%
Dec 31, 1991	25.53%	-11.9%
Dec 31, 1990	28.98%	+36.1%
Dec 31, 1989	21.29%	-15.2%
Dec 31, 1988	25.11%	-53.3%
Dec 31, 1987	53.72%	+65.3%
Dec 31, 1986	32.50%	+43.7%
Dec 31, 1985	22.61%	-27.5%
Dec 31, 1984	31.19%	-4.9%
Dec 31, 1983	32.80%	-9.0%
Dec 31, 1982	36.03%	-16.9%
Dec 31, 1981	43.38%	+49.9%
Dec 31, 1980	28.93%	-

FAQ

What is the current 1-year volatility of PH?: As of today, PH 1-year volatility is 26.48%
What 1-year volatility category does PH fall into?: Based on its current 1-year historical volatility, PH falls into the moderate volatility category
What is PH 1-year volatility 1-year high?: PH 1-year volatility reached a 1-year high of 32.21% on October 24, 2025
What is PH 1-year volatility 1-year low?: PH 1-year volatility reached a 1-year low of 23.88% on April 24, 2026

Data Sources & References

PH Official Website investors.parker.com
PH Profile on Yahoo Finance finance.yahoo.com/quote/PH
PH Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ph