What is the current 10-day volatility of PCAR?

As of today, PCAR 10-day volatility is 18.90%

What 10-day volatility category does PCAR fall into?

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

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

PCAR 10-day volatility reached a 1-year high of 41.13% on June 17, 2026

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

PCAR 10-day volatility reached a 1-year low of 9.13% on December 30, 2025

What is the current 1-month volatility of PCAR?

As of today, PCAR 1-month volatility is 19.17%

What 1-month volatility category does PCAR fall into?

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

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

PCAR 1-month volatility reached a 1-year high of 38.45% on July 6, 2026

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

PCAR 1-month volatility reached a 1-year low of 17.00% on September 11, 2026

What is the current 3-month volatility of PCAR?

As of today, PCAR 3-month volatility is 26.63%

What 3-month volatility category does PCAR fall into?

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

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

PCAR 3-month volatility reached a 1-year high of 33.26% on July 7, 2026

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

PCAR 3-month volatility reached a 1-year low of 23.76% on February 20, 2026

What is the current 1-year volatility of PCAR?

As of today, PCAR 1-year volatility is 27.43%

What 1-year volatility category does PCAR fall into?

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

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

PCAR 1-year volatility reached a 1-year high of 29.76% on October 2, 2025

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

PCAR 1-year volatility reached a 1-year low of 25.59% on April 27, 2026

PACCAR Inc (PCAR) Stock Volatility History & Chart

10-Day

18.90%

September 18, 2026

Summary

Current Value: As of today, PCAR 10-day volatility is 18.90%, down -17.29% on September 18, 2026
Value Category: Based on its current 10-day historical volatility, PCAR falls into the low volatility category
1-Year High: PCAR 10-day volatility reached a 1-year high of 41.13% on June 17, 2026
1-Year Low: PCAR 10-day volatility reached a 1-year low of 9.13% on December 30, 2025

10-Day Volatility Chart

Performance

PCAR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 18, 26	18.90%	-17.3%	+9.5%	-50.7%	+80.0%	-13.9%	-30.7%	-9.4%
1-Month Volatility	Sep 18, 26	19.17%	-3.4%	-32.8%	-43.1%	-12.1%	-24.5%	-18.5%	+10.2%
3-Month Volatility	Sep 18, 26	26.63%	-0.2%	-13.5%	-14.0%	+5.6%	+5.6%	+31.1%	+47.9%
1-Year Volatility	Sep 18, 26	27.43%	+0.0%	-1.2%	+1.2%	-5.2%	-6.2%	+11.0%	+9.4%
14-Day RSI	Sep 18, 26	26.39	-7.2%	-42.7%	-52.0%	-49.9%	-52.3%	-53.9%	-39.4%
Beta	Sep 18, 26	0.96	0.0%	-4.0%	-4.0%	+15.7%	+7.9%	+24.7%	+12.9%
ATR	Sep 18, 26	$2.96	+2.2%	-11.1%	-11.2%	+50.3%	+26.8%	+70.9%	+181.5%
Price	Sep 18, 26	$116.06	-1.1%	-9.3%	-2.4%	+6.0%	+14.4%	+34.5%	+113.5%
200-Day SMA	Sep 18, 26	$120.69	+0.1%	+2.3%	+7.8%	+23.3%	+20.5%	+59.8%	+102.0%
50-Day SMA	Sep 18, 26	$127.59	-0.1%	+1.5%	+8.4%	+22.4%	+29.2%	+49.6%	+129.5%
20-Day SMA	Sep 18, 26	$123.79	-0.5%	-6.5%	+7.5%	+11.4%	+23.8%	+47.0%	+124.9%

10-Day Volatility History

Date	Value	Change
Sep 18, 2026	18.90%	+80.0%
Dec 31, 2025	10.50%	-45.3%
Dec 31, 2024	19.20%	+92.8%
Dec 31, 2023	9.96%	-30.5%
Dec 31, 2022	14.34%	-36.7%
Dec 31, 2021	22.64%	+80.0%
Dec 31, 2020	12.58%	-33.6%
Dec 31, 2019	18.96%	-45.8%
Dec 31, 2018	34.96%	+182.8%
Dec 31, 2017	12.36%	+27.8%
Dec 31, 2016	9.67%	-68.4%
Dec 31, 2015	30.59%	+94.1%
Dec 31, 2014	15.76%	+68.4%
Dec 31, 2013	9.36%	-27.4%
Dec 31, 2012	12.90%	-63.6%
Dec 31, 2011	35.43%	+251.8%
Dec 31, 2010	10.07%	-20.3%
Dec 31, 2009	12.64%	-74.0%
Dec 31, 2008	48.70%	-7.3%
Dec 31, 2007	52.54%	+230.9%
Dec 31, 2006	15.88%	+12.1%
Dec 31, 2005	14.16%	-29.0%
Dec 31, 2004	19.95%	+26.9%
Dec 31, 2003	15.72%	-24.2%

Date	Value	Change
Dec 31, 2002	20.74%	-31.1%
Dec 31, 2001	30.11%	-55.4%
Dec 31, 2000	67.55%	+102.4%
Dec 31, 1999	33.37%	+9.4%
Dec 31, 1998	30.49%	-30.0%
Dec 31, 1997	43.54%	+165.5%
Dec 31, 1996	16.40%	-65.3%
Dec 31, 1995	47.22%	+46.3%
Dec 31, 1994	32.28%	+47.1%
Dec 31, 1993	21.95%	-22.1%
Dec 31, 1992	28.16%	+5.0%
Dec 31, 1991	26.83%	+18.1%
Dec 31, 1990	22.71%	-37.2%
Dec 31, 1989	36.17%	+15.6%
Dec 31, 1988	31.29%	-48.4%
Dec 31, 1987	60.65%	+231.6%
Dec 31, 1986	18.29%	-3.8%
Dec 31, 1985	19.02%	+40.1%
Dec 31, 1984	13.58%	+3.7%
Dec 31, 1983	13.09%	-26.5%
Dec 31, 1982	17.80%	+14.2%
Dec 31, 1981	15.58%	+207.9%
Dec 31, 1980	5.06%	-

FAQ

What is the current 10-day volatility of PCAR?: As of today, PCAR 10-day volatility is 18.90%
What 10-day volatility category does PCAR fall into?: Based on its current 10-day historical volatility, PCAR falls into the low volatility category
What is PCAR 10-day volatility 1-year high?: PCAR 10-day volatility reached a 1-year high of 41.13% on June 17, 2026
What is PCAR 10-day volatility 1-year low?: PCAR 10-day volatility reached a 1-year low of 9.13% on December 30, 2025

1-Month

19.17%

September 18, 2026

Summary

Current Value: As of today, PCAR 1-month volatility is 19.17%, down -3.38% on September 18, 2026
Value Category: Based on its current 1-month historical volatility, PCAR falls into the low volatility category
1-Year High: PCAR 1-month volatility reached a 1-year high of 38.45% on July 6, 2026
1-Year Low: PCAR 1-month volatility reached a 1-year low of 17.00% on September 11, 2026

Performance

PCAR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 18, 26	19.17%	-3.4%	-32.8%	-43.1%	-12.1%	-24.5%	-18.5%	+10.2%
10-Day Volatility	Sep 18, 26	18.90%	-17.3%	+9.5%	-50.7%	+80.0%	-13.9%	-30.7%	-9.4%
3-Month Volatility	Sep 18, 26	26.63%	-0.2%	-13.5%	-14.0%	+5.6%	+5.6%	+31.1%	+47.9%
1-Year Volatility	Sep 18, 26	27.43%	+0.0%	-1.2%	+1.2%	-5.2%	-6.2%	+11.0%	+9.4%
14-Day RSI	Sep 18, 26	26.39	-7.2%	-42.7%	-52.0%	-49.9%	-52.3%	-53.9%	-39.4%
Beta	Sep 18, 26	0.96	0.0%	-4.0%	-4.0%	+15.7%	+7.9%	+24.7%	+12.9%
ATR	Sep 18, 26	$2.96	+2.2%	-11.1%	-11.2%	+50.3%	+26.8%	+70.9%	+181.5%
Price	Sep 18, 26	$116.06	-1.1%	-9.3%	-2.4%	+6.0%	+14.4%	+34.5%	+113.5%
200-Day SMA	Sep 18, 26	$120.69	+0.1%	+2.3%	+7.8%	+23.3%	+20.5%	+59.8%	+102.0%
50-Day SMA	Sep 18, 26	$127.59	-0.1%	+1.5%	+8.4%	+22.4%	+29.2%	+49.6%	+129.5%
20-Day SMA	Sep 18, 26	$123.79	-0.5%	-6.5%	+7.5%	+11.4%	+23.8%	+47.0%	+124.9%

1-Month Volatility History

Date	Value	Change
Sep 18, 2026	19.08%	-13.3%
Dec 31, 2025	22.00%	+21.1%
Dec 31, 2024	18.17%	+15.3%
Dec 31, 2023	15.76%	-32.3%
Dec 31, 2022	23.28%	+4.8%
Dec 31, 2021	22.21%	+28.3%
Dec 31, 2020	17.31%	+0.5%
Dec 31, 2019	17.22%	-43.9%
Dec 31, 2018	30.68%	+90.7%
Dec 31, 2017	16.09%	-37.3%
Dec 31, 2016	25.67%	-17.4%
Dec 31, 2015	31.08%	+31.8%
Dec 31, 2014	23.58%	+44.5%
Dec 31, 2013	16.32%	-7.8%
Dec 31, 2012	17.70%	-48.0%
Dec 31, 2011	34.04%	+113.1%
Dec 31, 2010	15.97%	-24.6%
Dec 31, 2009	21.17%	-74.6%
Dec 31, 2008	83.37%	+49.1%
Dec 31, 2007	55.92%	+139.4%
Dec 31, 2006	23.36%	+32.1%
Dec 31, 2005	17.68%	-10.4%
Dec 31, 2004	19.74%	+8.5%
Dec 31, 2003	18.20%	-39.2%

Date	Value	Change
Dec 31, 2002	29.93%	-3.2%
Dec 31, 2001	30.92%	-52.0%
Dec 31, 2000	64.41%	+130.4%
Dec 31, 1999	27.95%	-36.8%
Dec 31, 1998	44.24%	+7.2%
Dec 31, 1997	41.25%	+62.6%
Dec 31, 1996	25.37%	-50.6%
Dec 31, 1995	51.36%	+80.3%
Dec 31, 1994	28.49%	+18.8%
Dec 31, 1993	23.99%	+19.7%
Dec 31, 1992	20.04%	-28.3%
Dec 31, 1991	27.94%	-12.2%
Dec 31, 1990	31.83%	+9.9%
Dec 31, 1989	28.97%	+16.2%
Dec 31, 1988	24.94%	-46.7%
Dec 31, 1987	46.75%	+212.3%
Dec 31, 1986	14.97%	-25.2%
Dec 31, 1985	20.02%	+31.4%
Dec 31, 1984	15.24%	+38.0%
Dec 31, 1983	11.04%	-52.5%
Dec 31, 1982	23.22%	+107.0%
Dec 31, 1981	11.22%	-22.6%
Dec 31, 1980	14.50%	-

FAQ

What is the current 1-month volatility of PCAR?: As of today, PCAR 1-month volatility is 19.17%
What 1-month volatility category does PCAR fall into?: Based on its current 1-month historical volatility, PCAR falls into the low volatility category
What is PCAR 1-month volatility 1-year high?: PCAR 1-month volatility reached a 1-year high of 38.45% on July 6, 2026
What is PCAR 1-month volatility 1-year low?: PCAR 1-month volatility reached a 1-year low of 17.00% on September 11, 2026

3-Month

26.63%

September 18, 2026

Summary

Current Value: As of today, PCAR 3-month volatility is 26.63%, down -0.19% on September 18, 2026
Value Category: Based on its current 3-month historical volatility, PCAR falls into the moderate volatility category
1-Year High: PCAR 3-month volatility reached a 1-year high of 33.26% on July 7, 2026
1-Year Low: PCAR 3-month volatility reached a 1-year low of 23.76% on February 20, 2026

Performance

PCAR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 18, 26	26.63%	-0.2%	-13.5%	-14.0%	+5.6%	+5.6%	+31.1%	+47.9%
10-Day Volatility	Sep 18, 26	18.90%	-17.3%	+9.5%	-50.7%	+80.0%	-13.9%	-30.7%	-9.4%
1-Month Volatility	Sep 18, 26	19.17%	-3.4%	-32.8%	-43.1%	-12.1%	-24.5%	-18.5%	+10.2%
1-Year Volatility	Sep 18, 26	27.43%	+0.0%	-1.2%	+1.2%	-5.2%	-6.2%	+11.0%	+9.4%
14-Day RSI	Sep 18, 26	26.39	-7.2%	-42.7%	-52.0%	-49.9%	-52.3%	-53.9%	-39.4%
Beta	Sep 18, 26	0.96	0.0%	-4.0%	-4.0%	+15.7%	+7.9%	+24.7%	+12.9%
ATR	Sep 18, 26	$2.96	+2.2%	-11.1%	-11.2%	+50.3%	+26.8%	+70.9%	+181.5%
Price	Sep 18, 26	$116.06	-1.1%	-9.3%	-2.4%	+6.0%	+14.4%	+34.5%	+113.5%
200-Day SMA	Sep 18, 26	$120.69	+0.1%	+2.3%	+7.8%	+23.3%	+20.5%	+59.8%	+102.0%
50-Day SMA	Sep 18, 26	$127.59	-0.1%	+1.5%	+8.4%	+22.4%	+29.2%	+49.6%	+129.5%
20-Day SMA	Sep 18, 26	$123.79	-0.5%	-6.5%	+7.5%	+11.4%	+23.8%	+47.0%	+124.9%

3-Month Volatility History

Date	Value	Change
Sep 18, 2026	26.63%	+6.2%
Dec 31, 2025	25.07%	-12.3%
Dec 31, 2024	28.58%	+43.5%
Dec 31, 2023	19.92%	-19.3%
Dec 31, 2022	24.68%	+4.0%
Dec 31, 2021	23.74%	-0.1%
Dec 31, 2020	23.76%	+14.5%
Dec 31, 2019	20.75%	-28.5%
Dec 31, 2018	29.01%	+28.3%
Dec 31, 2017	22.61%	-1.9%
Dec 31, 2016	23.04%	-25.3%
Dec 31, 2015	30.84%	+40.7%
Dec 31, 2014	21.92%	+32.0%
Dec 31, 2013	16.60%	-36.4%
Dec 31, 2012	26.12%	-34.5%
Dec 31, 2011	39.86%	+68.0%
Dec 31, 2010	23.73%	-10.7%
Dec 31, 2009	26.57%	-74.0%
Dec 31, 2008	102.04%	+89.4%
Dec 31, 2007	53.88%	+169.5%
Dec 31, 2006	19.99%	-3.2%
Dec 31, 2005	20.65%	-13.4%
Dec 31, 2004	23.84%	+6.4%
Dec 31, 2003	22.41%	-57.7%

Date	Value	Change
Dec 31, 2002	52.97%	+24.2%
Dec 31, 2001	42.65%	-7.8%
Dec 31, 2000	46.25%	+2.9%
Dec 31, 1999	44.93%	-7.2%
Dec 31, 1998	48.44%	-12.8%
Dec 31, 1997	55.57%	+63.0%
Dec 31, 1996	34.09%	-0.7%
Dec 31, 1995	34.33%	+26.4%
Dec 31, 1994	27.15%	-0.5%
Dec 31, 1993	27.30%	+33.1%
Dec 31, 1992	20.51%	-23.4%
Dec 31, 1991	26.79%	-23.6%
Dec 31, 1990	35.07%	+20.7%
Dec 31, 1989	29.06%	+9.3%
Dec 31, 1988	26.59%	-61.1%
Dec 31, 1987	68.30%	+311.0%
Dec 31, 1986	16.62%	-17.0%
Dec 31, 1985	20.02%	+29.2%
Dec 31, 1984	15.50%	-13.5%
Dec 31, 1983	17.92%	-7.2%
Dec 31, 1982	19.30%	+35.4%
Dec 31, 1981	14.25%	-12.5%
Dec 31, 1980	16.28%	-

FAQ

What is the current 3-month volatility of PCAR?: As of today, PCAR 3-month volatility is 26.63%
What 3-month volatility category does PCAR fall into?: Based on its current 3-month historical volatility, PCAR falls into the moderate volatility category
What is PCAR 3-month volatility 1-year high?: PCAR 3-month volatility reached a 1-year high of 33.26% on July 7, 2026
What is PCAR 3-month volatility 1-year low?: PCAR 3-month volatility reached a 1-year low of 23.76% on February 20, 2026

1-Year

27.43%

September 18, 2026

Summary

Current Value: As of today, PCAR 1-year volatility is 27.43%, up +0.04% on September 18, 2026
Value Category: Based on its current 1-year historical volatility, PCAR falls into the moderate volatility category
1-Year High: PCAR 1-year volatility reached a 1-year high of 29.76% on October 2, 2025
1-Year Low: PCAR 1-year volatility reached a 1-year low of 25.59% on April 27, 2026

Performance

PCAR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 18, 26	27.43%	+0.0%	-1.2%	+1.2%	-5.2%	-6.2%	+11.0%	+9.4%
10-Day Volatility	Sep 18, 26	18.90%	-17.3%	+9.5%	-50.7%	+80.0%	-13.9%	-30.7%	-9.4%
1-Month Volatility	Sep 18, 26	19.17%	-3.4%	-32.8%	-43.1%	-12.1%	-24.5%	-18.5%	+10.2%
3-Month Volatility	Sep 18, 26	26.63%	-0.2%	-13.5%	-14.0%	+5.6%	+5.6%	+31.1%	+47.9%
1-Year Volatility	Sep 18, 26	27.43%	+0.0%	-1.2%	+1.2%	-5.2%	-6.2%	+11.0%	+9.4%
14-Day RSI	Sep 18, 26	26.39	-7.2%	-42.7%	-52.0%	-49.9%	-52.3%	-53.9%	-39.4%
Beta	Sep 18, 26	0.96	0.0%	-4.0%	-4.0%	+15.7%	+7.9%	+24.7%	+12.9%
ATR	Sep 18, 26	$2.96	+2.2%	-11.1%	-11.2%	+50.3%	+26.8%	+70.9%	+181.5%
Price	Sep 18, 26	$116.06	-1.1%	-9.3%	-2.4%	+6.0%	+14.4%	+34.5%	+113.5%
200-Day SMA	Sep 18, 26	$120.69	+0.1%	+2.3%	+7.8%	+23.3%	+20.5%	+59.8%	+102.0%
50-Day SMA	Sep 18, 26	$127.59	-0.1%	+1.5%	+8.4%	+22.4%	+29.2%	+49.6%	+129.5%
20-Day SMA	Sep 18, 26	$123.79	-0.5%	-6.5%	+7.5%	+11.4%	+23.8%	+47.0%	+124.9%

1-Year Volatility History

Date	Value	Change
Sep 18, 2026	27.44%	-5.2%
Dec 31, 2025	28.94%	+11.8%
Dec 31, 2024	25.89%	+10.3%
Dec 31, 2023	23.47%	-11.7%
Dec 31, 2022	26.57%	+6.7%
Dec 31, 2021	24.90%	-31.3%
Dec 31, 2020	36.22%	+61.3%
Dec 31, 2019	22.46%	-12.4%
Dec 31, 2018	25.65%	+27.9%
Dec 31, 2017	20.05%	-22.3%
Dec 31, 2016	25.79%	+3.8%
Dec 31, 2015	24.84%	+24.4%
Dec 31, 2014	19.97%	+4.6%
Dec 31, 2013	19.09%	-27.3%
Dec 31, 2012	26.26%	-30.3%
Dec 31, 2011	37.70%	+17.8%
Dec 31, 2010	32.00%	-38.4%
Dec 31, 2009	51.91%	-20.7%
Dec 31, 2008	65.46%	+64.3%
Dec 31, 2007	39.85%	+71.0%
Dec 31, 2006	23.30%	+5.4%
Dec 31, 2005	22.10%	-15.1%
Dec 31, 2004	26.02%	-9.5%
Dec 31, 2003	28.76%	-35.4%

Date	Value	Change
Dec 31, 2002	44.50%	+7.2%
Dec 31, 2001	41.53%	-12.8%
Dec 31, 2000	47.60%	-4.5%
Dec 31, 1999	49.83%	+13.9%
Dec 31, 1998	43.75%	-8.8%
Dec 31, 1997	47.99%	+53.6%
Dec 31, 1996	31.25%	+13.0%
Dec 31, 1995	27.66%	-7.1%
Dec 31, 1994	29.76%	+20.4%
Dec 31, 1993	24.71%	-4.8%
Dec 31, 1992	25.95%	-14.9%
Dec 31, 1991	30.50%	-14.3%
Dec 31, 1990	35.59%	+53.9%
Dec 31, 1989	23.13%	-7.3%
Dec 31, 1988	24.95%	-39.9%
Dec 31, 1987	41.54%	+108.6%
Dec 31, 1986	19.91%	+5.7%
Dec 31, 1985	18.84%	-31.3%
Dec 31, 1984	27.44%	+69.7%
Dec 31, 1983	16.17%	-29.5%
Dec 31, 1982	22.94%	+19.0%
Dec 31, 1981	19.28%	-35.0%
Dec 31, 1980	29.67%	-

FAQ

What is the current 1-year volatility of PCAR?: As of today, PCAR 1-year volatility is 27.43%
What 1-year volatility category does PCAR fall into?: Based on its current 1-year historical volatility, PCAR falls into the moderate volatility category
What is PCAR 1-year volatility 1-year high?: PCAR 1-year volatility reached a 1-year high of 29.76% on October 2, 2025
What is PCAR 1-year volatility 1-year low?: PCAR 1-year volatility reached a 1-year low of 25.59% on April 27, 2026

Data Sources & References

PCAR Official Website www.paccar.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/75362/000119312526023374/0001193125-26-023374-index.htm
PCAR Profile on Yahoo Finance finance.yahoo.com/quote/PCAR
PCAR Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/pcar