What is the current 10-day volatility of UNP?

As of today, UNP 10-day volatility is 14.25%

What 10-day volatility category does UNP fall into?

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

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

UNP 10-day volatility reached a 1-year high of 48.31% on May 4, 2026

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

UNP 10-day volatility reached a 1-year low of 7.14% on January 5, 2026

What is the current 1-month volatility of UNP?

As of today, UNP 1-month volatility is 14.52%

What 1-month volatility category does UNP fall into?

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

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

UNP 1-month volatility reached a 1-year high of 35.02% on May 8, 2026

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

UNP 1-month volatility reached a 1-year low of 11.78% on April 21, 2026

What is the current 3-month volatility of UNP?

As of today, UNP 3-month volatility is 22.33%

What 3-month volatility category does UNP fall into?

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

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

UNP 3-month volatility reached a 1-year high of 29.81% on July 21, 2026

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

UNP 3-month volatility reached a 1-year low of 15.74% on November 20, 2025

What is the current 1-year volatility of UNP?

As of today, UNP 1-year volatility is 22.17%

What 1-year volatility category does UNP fall into?

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

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

UNP 1-year volatility reached a 1-year high of 24.05% on October 10, 2025

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

UNP 1-year volatility reached a 1-year low of 19.78% on April 21, 2026

UNP Stock Volatility History & Chart Since 1980

10-Day

14.25%

August 28, 2026

Summary

Current Value: As of today, UNP 10-day volatility is 14.25%, down -15.58% on August 28, 2026
Value Category: Based on its current 10-day historical volatility, UNP falls into the very low volatility category
1-Year High: UNP 10-day volatility reached a 1-year high of 48.31% on May 4, 2026
1-Year Low: UNP 10-day volatility reached a 1-year low of 7.14% on January 5, 2026

10-Day Volatility Chart

Performance

UNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 28, 26	14.25%	-15.6%	-52.7%	-59.5%	+68.0%	-15.5%	+60.3%	+78.1%
1-Month Volatility	Aug 28, 26	14.52%	-8.2%	-44.6%	-46.5%	-4.0%	-13.3%	+59.2%	+13.2%
3-Month Volatility	Aug 28, 26	22.33%	-8.1%	-13.6%	-17.7%	+36.0%	+15.6%	-11.5%	+37.8%
1-Year Volatility	Aug 28, 26	22.17%	+0.2%	-0.4%	+3.5%	-0.7%	-7.4%	-17.7%	-3.6%
14-Day RSI	Aug 28, 26	62.84	-0.8%	+15.6%	-7.9%	+33.8%	+39.1%	+45.3%	+71.5%
Beta	Aug 28, 26	0.26	0.0%	-7.1%	-44.7%	-60.6%	-62.3%	-69.4%	-71.1%
ATR	Aug 28, 26	$5.71	-4.4%	-20.5%	-12.7%	+86.0%	+34.6%	+80.0%	+89.2%
Price	Aug 31, 26	$301.98	-1.8%	+3.4%	+15.0%	+30.6%	+35.1%	+36.9%	+39.3%
200-Day SMA	Aug 28, 26	$258.55	+0.2%	+3.1%	+8.1%	+14.5%	+12.0%	+25.0%	+20.1%
50-Day SMA	Aug 28, 26	$290.45	+0.3%	+4.7%	+13.1%	+27.5%	+28.1%	+33.0%	+31.5%
20-Day SMA	Aug 28, 26	$299.98	+0.3%	+2.6%	+12.2%	+27.5%	+34.7%	+32.9%	+34.8%

10-Day Volatility History

Date	Value	Change
Aug 31, 2026	14.25%	+68.0%
Dec 31, 2025	8.48%	-52.6%
Dec 31, 2024	17.88%	+15.1%
Dec 31, 2023	15.54%	-13.6%
Dec 31, 2022	17.99%	+5.4%
Dec 31, 2021	17.07%	+28.6%
Dec 31, 2020	13.27%	-3.0%
Dec 31, 2019	13.68%	-67.3%
Dec 31, 2018	41.87%	+198.0%
Dec 31, 2017	14.05%	+18.3%
Dec 31, 2016	11.88%	-50.7%
Dec 31, 2015	24.08%	+7.3%
Dec 31, 2014	22.45%	+114.0%
Dec 31, 2013	10.49%	-30.6%
Dec 31, 2012	15.12%	-24.2%
Dec 31, 2011	19.96%	+89.9%
Dec 31, 2010	10.51%	-46.2%
Dec 31, 2009	19.55%	-50.3%
Dec 31, 2008	39.33%	+42.7%
Dec 31, 2007	27.56%	+163.7%
Dec 31, 2006	10.45%	-44.7%
Dec 31, 2005	18.88%	-31.5%
Dec 31, 2004	27.58%	+218.1%
Dec 31, 2003	8.67%	-36.4%

Date	Value	Change
Dec 31, 2002	13.64%	-30.3%
Dec 31, 2001	19.56%	-62.7%
Dec 31, 2000	52.48%	+28.1%
Dec 31, 1999	40.96%	+152.5%
Dec 31, 1998	16.22%	-36.9%
Dec 31, 1997	25.72%	+14.9%
Dec 31, 1996	22.39%	+1.6%
Dec 31, 1995	22.04%	-14.5%
Dec 31, 1994	25.77%	+70.8%
Dec 31, 1993	15.09%	-36.2%
Dec 31, 1992	23.66%	-31.3%
Dec 31, 1991	34.45%	+346.2%
Dec 31, 1990	7.72%	-51.9%
Dec 31, 1989	16.05%	+14.0%
Dec 31, 1988	14.08%	-64.5%
Dec 31, 1987	39.67%	+95.9%
Dec 31, 1986	20.25%	+86.3%
Dec 31, 1985	10.87%	-60.6%
Dec 31, 1984	27.57%	-1.1%
Dec 31, 1983	27.88%	-0.9%
Dec 31, 1982	28.13%	+48.8%
Dec 31, 1981	18.90%	-52.7%
Dec 31, 1980	39.99%	-

FAQ

What is the current 10-day volatility of UNP?: As of today, UNP 10-day volatility is 14.25%
What 10-day volatility category does UNP fall into?: Based on its current 10-day historical volatility, UNP falls into the very low volatility category
What is UNP 10-day volatility 1-year high?: UNP 10-day volatility reached a 1-year high of 48.31% on May 4, 2026
What is UNP 10-day volatility 1-year low?: UNP 10-day volatility reached a 1-year low of 7.14% on January 5, 2026

1-Month

14.52%

August 28, 2026

Summary

Current Value: As of today, UNP 1-month volatility is 14.52%, down -8.16% on August 28, 2026
Value Category: Based on its current 1-month historical volatility, UNP falls into the very low volatility category
1-Year High: UNP 1-month volatility reached a 1-year high of 35.02% on May 8, 2026
1-Year Low: UNP 1-month volatility reached a 1-year low of 11.78% on April 21, 2026

Performance

UNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 28, 26	14.52%	-8.2%	-44.6%	-46.5%	-4.0%	-13.3%	+59.2%	+13.2%
10-Day Volatility	Aug 28, 26	14.25%	-15.6%	-52.7%	-59.5%	+68.0%	-15.5%	+60.3%	+78.1%
3-Month Volatility	Aug 28, 26	22.33%	-8.1%	-13.6%	-17.7%	+36.0%	+15.6%	-11.5%	+37.8%
1-Year Volatility	Aug 28, 26	22.17%	+0.2%	-0.4%	+3.5%	-0.7%	-7.4%	-17.7%	-3.6%
14-Day RSI	Aug 28, 26	62.84	-0.8%	+15.6%	-7.9%	+33.8%	+39.1%	+45.3%	+71.5%
Beta	Aug 28, 26	0.26	0.0%	-7.1%	-44.7%	-60.6%	-62.3%	-69.4%	-71.1%
ATR	Aug 28, 26	$5.71	-4.4%	-20.5%	-12.7%	+86.0%	+34.6%	+80.0%	+89.2%
Price	Aug 31, 26	$301.98	-1.8%	+3.4%	+15.0%	+30.6%	+35.1%	+36.9%	+39.3%
200-Day SMA	Aug 28, 26	$258.55	+0.2%	+3.1%	+8.1%	+14.5%	+12.0%	+25.0%	+20.1%
50-Day SMA	Aug 28, 26	$290.45	+0.3%	+4.7%	+13.1%	+27.5%	+28.1%	+33.0%	+31.5%
20-Day SMA	Aug 28, 26	$299.98	+0.3%	+2.6%	+12.2%	+27.5%	+34.7%	+32.9%	+34.8%

1-Month Volatility History

Date	Value	Change
Aug 31, 2026	14.52%	-1.8%
Dec 31, 2025	14.78%	-8.8%
Dec 31, 2024	16.20%	-12.1%
Dec 31, 2023	18.42%	-0.5%
Dec 31, 2022	18.52%	+3.1%
Dec 31, 2021	17.97%	+5.2%
Dec 31, 2020	17.08%	-11.6%
Dec 31, 2019	19.33%	-43.8%
Dec 31, 2018	34.37%	+63.0%
Dec 31, 2017	21.09%	+18.4%
Dec 31, 2016	17.81%	-36.1%
Dec 31, 2015	27.85%	+2.7%
Dec 31, 2014	27.13%	+125.9%
Dec 31, 2013	12.01%	-12.4%
Dec 31, 2012	13.71%	-35.4%
Dec 31, 2011	21.21%	+46.2%
Dec 31, 2010	14.51%	-26.3%
Dec 31, 2009	19.68%	-70.5%
Dec 31, 2008	66.74%	+122.6%
Dec 31, 2007	29.98%	+31.3%
Dec 31, 2006	22.84%	+39.3%
Dec 31, 2005	16.40%	-31.6%
Dec 31, 2004	23.96%	+161.0%
Dec 31, 2003	9.18%	-51.7%

Date	Value	Change
Dec 31, 2002	19.01%	-10.2%
Dec 31, 2001	21.16%	-49.6%
Dec 31, 2000	42.00%	+33.0%
Dec 31, 1999	31.58%	+52.6%
Dec 31, 1998	20.70%	-23.9%
Dec 31, 1997	27.20%	+18.6%
Dec 31, 1996	22.93%	+5.5%
Dec 31, 1995	21.73%	-17.2%
Dec 31, 1994	26.25%	+66.9%
Dec 31, 1993	15.73%	-22.9%
Dec 31, 1992	20.39%	-46.3%
Dec 31, 1991	37.99%	+327.8%
Dec 31, 1990	8.88%	-56.6%
Dec 31, 1989	20.47%	+54.1%
Dec 31, 1988	13.28%	-65.1%
Dec 31, 1987	38.04%	+74.3%
Dec 31, 1986	21.83%	+18.7%
Dec 31, 1985	18.39%	-16.5%
Dec 31, 1984	22.03%	-13.8%
Dec 31, 1983	25.57%	-36.5%
Dec 31, 1982	40.24%	+97.0%
Dec 31, 1981	20.43%	-48.9%
Dec 31, 1980	39.99%	-

FAQ

What is the current 1-month volatility of UNP?: As of today, UNP 1-month volatility is 14.52%
What 1-month volatility category does UNP fall into?: Based on its current 1-month historical volatility, UNP falls into the very low volatility category
What is UNP 1-month volatility 1-year high?: UNP 1-month volatility reached a 1-year high of 35.02% on May 8, 2026
What is UNP 1-month volatility 1-year low?: UNP 1-month volatility reached a 1-year low of 11.78% on April 21, 2026

3-Month

22.33%

August 28, 2026

Summary

Current Value: As of today, UNP 3-month volatility is 22.33%, down -8.07% on August 28, 2026
Value Category: Based on its current 3-month historical volatility, UNP falls into the low volatility category
1-Year High: UNP 3-month volatility reached a 1-year high of 29.81% on July 21, 2026
1-Year Low: UNP 3-month volatility reached a 1-year low of 15.74% on November 20, 2025

Performance

UNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 28, 26	22.33%	-8.1%	-13.6%	-17.7%	+36.0%	+15.6%	-11.5%	+37.8%
10-Day Volatility	Aug 28, 26	14.25%	-15.6%	-52.7%	-59.5%	+68.0%	-15.5%	+60.3%	+78.1%
1-Month Volatility	Aug 28, 26	14.52%	-8.2%	-44.6%	-46.5%	-4.0%	-13.3%	+59.2%	+13.2%
1-Year Volatility	Aug 28, 26	22.17%	+0.2%	-0.4%	+3.5%	-0.7%	-7.4%	-17.7%	-3.6%
14-Day RSI	Aug 28, 26	62.84	-0.8%	+15.6%	-7.9%	+33.8%	+39.1%	+45.3%	+71.5%
Beta	Aug 28, 26	0.26	0.0%	-7.1%	-44.7%	-60.6%	-62.3%	-69.4%	-71.1%
ATR	Aug 28, 26	$5.71	-4.4%	-20.5%	-12.7%	+86.0%	+34.6%	+80.0%	+89.2%
Price	Aug 31, 26	$301.98	-1.8%	+3.4%	+15.0%	+30.6%	+35.1%	+36.9%	+39.3%
200-Day SMA	Aug 28, 26	$258.55	+0.2%	+3.1%	+8.1%	+14.5%	+12.0%	+25.0%	+20.1%
50-Day SMA	Aug 28, 26	$290.45	+0.3%	+4.7%	+13.1%	+27.5%	+28.1%	+33.0%	+31.5%
20-Day SMA	Aug 28, 26	$299.98	+0.3%	+2.6%	+12.2%	+27.5%	+34.7%	+32.9%	+34.8%

3-Month Volatility History

Date	Value	Change
Aug 31, 2026	22.33%	+36.6%
Dec 31, 2025	16.35%	-29.5%
Dec 31, 2024	23.20%	+27.5%
Dec 31, 2023	18.20%	-36.4%
Dec 31, 2022	28.60%	+54.8%
Dec 31, 2021	18.48%	-32.3%
Dec 31, 2020	27.29%	+12.5%
Dec 31, 2019	24.26%	-21.6%
Dec 31, 2018	30.96%	+46.3%
Dec 31, 2017	21.16%	-6.9%
Dec 31, 2016	22.72%	-10.4%
Dec 31, 2015	25.37%	-16.4%
Dec 31, 2014	30.33%	+110.6%
Dec 31, 2013	14.40%	-13.3%
Dec 31, 2012	16.61%	-50.7%
Dec 31, 2011	33.68%	+70.2%
Dec 31, 2010	19.79%	-37.7%
Dec 31, 2009	31.78%	-57.3%
Dec 31, 2008	74.41%	+147.5%
Dec 31, 2007	30.06%	+79.9%
Dec 31, 2006	16.71%	-12.7%
Dec 31, 2005	19.15%	+1.8%
Dec 31, 2004	18.82%	+25.2%
Dec 31, 2003	15.03%	-53.8%

Date	Value	Change
Dec 31, 2002	32.53%	+18.1%
Dec 31, 2001	27.55%	-21.1%
Dec 31, 2000	34.91%	+8.7%
Dec 31, 1999	32.12%	+11.8%
Dec 31, 1998	28.74%	+14.6%
Dec 31, 1997	25.08%	+20.6%
Dec 31, 1996	20.80%	+3.0%
Dec 31, 1995	20.20%	-21.0%
Dec 31, 1994	25.57%	+37.3%
Dec 31, 1993	18.63%	-10.0%
Dec 31, 1992	20.70%	-30.5%
Dec 31, 1991	29.77%	+49.3%
Dec 31, 1990	19.94%	-16.1%
Dec 31, 1989	23.78%	+24.4%
Dec 31, 1988	19.12%	-72.4%
Dec 31, 1987	69.22%	+264.7%
Dec 31, 1986	18.98%	+2.8%
Dec 31, 1985	18.47%	-9.8%
Dec 31, 1984	20.48%	-6.9%
Dec 31, 1983	21.99%	-49.4%
Dec 31, 1982	43.48%	+32.6%
Dec 31, 1981	32.78%	-20.5%
Dec 31, 1980	41.25%	-

FAQ

What is the current 3-month volatility of UNP?: As of today, UNP 3-month volatility is 22.33%
What 3-month volatility category does UNP fall into?: Based on its current 3-month historical volatility, UNP falls into the low volatility category
What is UNP 3-month volatility 1-year high?: UNP 3-month volatility reached a 1-year high of 29.81% on July 21, 2026
What is UNP 3-month volatility 1-year low?: UNP 3-month volatility reached a 1-year low of 15.74% on November 20, 2025

1-Year

22.17%

August 28, 2026

Summary

Current Value: As of today, UNP 1-year volatility is 22.17%, up +0.18% on August 28, 2026
Value Category: Based on its current 1-year historical volatility, UNP falls into the low volatility category
1-Year High: UNP 1-year volatility reached a 1-year high of 24.05% on October 10, 2025
1-Year Low: UNP 1-year volatility reached a 1-year low of 19.78% on April 21, 2026

Performance

UNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 28, 26	22.17%	+0.2%	-0.4%	+3.5%	-0.7%	-7.4%	-17.7%	-3.6%
10-Day Volatility	Aug 28, 26	14.25%	-15.6%	-52.7%	-59.5%	+68.0%	-15.5%	+60.3%	+78.1%
1-Month Volatility	Aug 28, 26	14.52%	-8.2%	-44.6%	-46.5%	-4.0%	-13.3%	+59.2%	+13.2%
3-Month Volatility	Aug 28, 26	22.33%	-8.1%	-13.6%	-17.7%	+36.0%	+15.6%	-11.5%	+37.8%
1-Year Volatility	Aug 28, 26	22.17%	+0.2%	-0.4%	+3.5%	-0.7%	-7.4%	-17.7%	-3.6%
14-Day RSI	Aug 28, 26	62.84	-0.8%	+15.6%	-7.9%	+33.8%	+39.1%	+45.3%	+71.5%
Beta	Aug 28, 26	0.26	0.0%	-7.1%	-44.7%	-60.6%	-62.3%	-69.4%	-71.1%
ATR	Aug 28, 26	$5.71	-4.4%	-20.5%	-12.7%	+86.0%	+34.6%	+80.0%	+89.2%
Price	Aug 31, 26	$301.98	-1.8%	+3.4%	+15.0%	+30.6%	+35.1%	+36.9%	+39.3%
200-Day SMA	Aug 28, 26	$258.55	+0.2%	+3.1%	+8.1%	+14.5%	+12.0%	+25.0%	+20.1%
50-Day SMA	Aug 28, 26	$290.45	+0.3%	+4.7%	+13.1%	+27.5%	+28.1%	+33.0%	+31.5%
20-Day SMA	Aug 28, 26	$299.98	+0.3%	+2.6%	+12.2%	+27.5%	+34.7%	+32.9%	+34.8%

1-Year Volatility History

Date	Value	Change
Aug 31, 2026	22.17%	-0.7%
Dec 31, 2025	22.32%	+18.0%
Dec 31, 2024	18.92%	-20.2%
Dec 31, 2023	23.70%	-9.5%
Dec 31, 2022	26.18%	+27.0%
Dec 31, 2021	20.62%	-50.8%
Dec 31, 2020	41.94%	+71.0%
Dec 31, 2019	24.52%	-4.1%
Dec 31, 2018	25.57%	+45.5%
Dec 31, 2017	17.57%	-26.7%
Dec 31, 2016	23.96%	-3.2%
Dec 31, 2015	24.75%	+28.1%
Dec 31, 2014	19.32%	+10.5%
Dec 31, 2013	17.48%	-16.4%
Dec 31, 2012	20.92%	-29.8%
Dec 31, 2011	29.79%	+12.8%
Dec 31, 2010	26.41%	-43.2%
Dec 31, 2009	46.52%	-6.1%
Dec 31, 2008	49.56%	+74.4%
Dec 31, 2007	28.42%	+23.2%
Dec 31, 2006	23.07%	+10.3%
Dec 31, 2005	20.91%	+36.2%
Dec 31, 2004	15.35%	-19.6%
Dec 31, 2003	19.10%	-33.7%

Date	Value	Change
Dec 31, 2002	28.81%	-1.9%
Dec 31, 2001	29.36%	-24.1%
Dec 31, 2000	38.70%	+18.8%
Dec 31, 1999	32.58%	+3.3%
Dec 31, 1998	31.53%	+48.4%
Dec 31, 1997	21.25%	+6.9%
Dec 31, 1996	19.88%	-4.1%
Dec 31, 1995	20.74%	-1.8%
Dec 31, 1994	21.12%	+8.1%
Dec 31, 1993	19.54%	-15.6%
Dec 31, 1992	23.15%	-0.5%
Dec 31, 1991	23.26%	+18.1%
Dec 31, 1990	19.70%	-5.4%
Dec 31, 1989	20.83%	-17.2%
Dec 31, 1988	25.17%	-38.7%
Dec 31, 1987	41.07%	+75.6%
Dec 31, 1986	23.39%	+12.0%
Dec 31, 1985	20.89%	-21.3%
Dec 31, 1984	26.54%	-10.6%
Dec 31, 1983	29.69%	-25.4%
Dec 31, 1982	39.82%	+24.1%
Dec 31, 1981	32.09%	-14.0%
Dec 31, 1980	37.32%	-

FAQ

What is the current 1-year volatility of UNP?: As of today, UNP 1-year volatility is 22.17%
What 1-year volatility category does UNP fall into?: Based on its current 1-year historical volatility, UNP falls into the low volatility category
What is UNP 1-year volatility 1-year high?: UNP 1-year volatility reached a 1-year high of 24.05% on October 10, 2025
What is UNP 1-year volatility 1-year low?: UNP 1-year volatility reached a 1-year low of 19.78% on April 21, 2026

Data Sources & References

UNP Official Website www.up.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/100885/000010088526000032/0000100885-26-000032-index.htm
UNP Profile on Yahoo Finance finance.yahoo.com/quote/UNP
UNP Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/unp