What is the current 10-day volatility of PSX?

As of today, PSX 10-day volatility is 33.14%

What 10-day volatility category does PSX fall into?

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

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

PSX 10-day volatility reached a 1-year high of 51.20% on January 16, 2026

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

PSX 10-day volatility reached a 1-year low of 13.05% on December 31, 2025

What is the current 1-month volatility of PSX?

As of today, PSX 1-month volatility is 27.89%

What 1-month volatility category does PSX fall into?

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

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

PSX 1-month volatility reached a 1-year high of 44.63% on January 12, 2026

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

PSX 1-month volatility reached a 1-year low of 21.00% on September 11, 2026

What is the current 3-month volatility of PSX?

As of today, PSX 3-month volatility is 29.12%

What 3-month volatility category does PSX fall into?

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

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

PSX 3-month volatility reached a 1-year high of 35.46% on May 26, 2026

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

PSX 3-month volatility reached a 1-year low of 22.94% on November 10, 2025

What is the current 1-year volatility of PSX?

As of today, PSX 1-year volatility is 31.74%

What 1-year volatility category does PSX fall into?

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

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

PSX 1-year volatility reached a 1-year high of 36.90% on January 16, 2026

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

PSX 1-year volatility reached a 1-year low of 29.56% on June 8, 2026

Phillips 66 (PSX) Stock Volatility History & Chart

10-Day

33.14%

October 20, 2026

Summary

Current Value: As of today, PSX 10-day volatility is 33.14%, down -0.24% on October 20, 2026
Value Category: Based on its current 10-day historical volatility, PSX falls into the moderate volatility category
1-Year High: PSX 10-day volatility reached a 1-year high of 51.20% on January 16, 2026
1-Year Low: PSX 10-day volatility reached a 1-year low of 13.05% on December 31, 2025

10-Day Volatility Chart

Performance

PSX Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 20, 26	33.14%	-0.2%	-5.5%	-12.8%	+153.9%	+33.7%	+54.6%	+38.8%
1-Month Volatility	Oct 20, 26	27.89%	-13.6%	-4.4%	-13.6%	-3.8%	+16.7%	-1.0%	-8.9%
3-Month Volatility	Oct 20, 26	29.12%	+0.5%	-5.9%	-11.9%	+7.3%	+23.1%	+29.2%	-14.1%
1-Year Volatility	Oct 20, 26	31.74%	+0.0%	+0.8%	+3.9%	-11.2%	-10.6%	+6.7%	-29.0%
14-Day RSI	Oct 20, 26	67.83	+0.4%	+10.0%	-10.5%	+77.5%	+55.5%	+44.8%	-3.4%
Beta	Oct 20, 26	-0.35	0.0%	-34.6%	-169.2%	-131.5%	-131.0%	-163.6%	-125.4%
ATR	Oct 20, 26	$8.79	-0.9%	+5.8%	+55.0%	+196.5%	+164.0%	+219.9%	+302.3%
Price	Oct 20, 26	$291.03	+0.2%	+11.2%	+37.1%	+125.5%	+126.3%	+156.3%	+251.8%
200-Day SMA	Oct 20, 26	$193.28	+0.4%	+8.1%	+23.1%	+54.5%	+58.5%	+85.0%	+145.8%
50-Day SMA	Oct 20, 26	$258.99	+0.6%	+12.0%	+43.5%	+91.0%	+98.4%	+123.0%	+258.1%
20-Day SMA	Oct 20, 26	$273.22	+0.6%	+7.1%	+46.7%	+103.1%	+106.0%	+138.0%	+251.4%

10-Day Volatility History

Date	Value	Change
Oct 21, 2026	33.14%	+153.9%
Dec 31, 2025	13.05%	-42.0%
Dec 31, 2024	22.50%	+46.3%
Dec 31, 2023	15.38%	-49.3%
Dec 31, 2022	30.35%	-1.7%
Dec 31, 2021	30.89%	+19.9%
Dec 31, 2020	25.76%	+120.9%
Dec 31, 2019	11.66%	-77.1%

Date	Value	Change
Dec 31, 2018	50.97%	+309.7%
Dec 31, 2017	12.44%	+36.1%
Dec 31, 2016	9.14%	-66.7%
Dec 31, 2015	27.47%	+5.2%
Dec 31, 2014	26.11%	+25.0%
Dec 31, 2013	20.89%	-30.9%
Dec 31, 2012	30.21%	-

FAQ

What is the current 10-day volatility of PSX?: As of today, PSX 10-day volatility is 33.14%
What 10-day volatility category does PSX fall into?: Based on its current 10-day historical volatility, PSX falls into the moderate volatility category
What is PSX 10-day volatility 1-year high?: PSX 10-day volatility reached a 1-year high of 51.20% on January 16, 2026
What is PSX 10-day volatility 1-year low?: PSX 10-day volatility reached a 1-year low of 13.05% on December 31, 2025

1-Month

27.89%

October 20, 2026

Summary

Current Value: As of today, PSX 1-month volatility is 27.89%, down -13.60% on October 20, 2026
Value Category: Based on its current 1-month historical volatility, PSX falls into the moderate volatility category
1-Year High: PSX 1-month volatility reached a 1-year high of 44.63% on January 12, 2026
1-Year Low: PSX 1-month volatility reached a 1-year low of 21.00% on September 11, 2026

Performance

PSX Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Oct 20, 26	27.89%	-13.6%	-4.4%	-13.6%	-3.8%	+16.7%	-1.0%	-8.9%
10-Day Volatility	Oct 20, 26	33.14%	-0.2%	-5.5%	-12.8%	+153.9%	+33.7%	+54.6%	+38.8%
3-Month Volatility	Oct 20, 26	29.12%	+0.5%	-5.9%	-11.9%	+7.3%	+23.1%	+29.2%	-14.1%
1-Year Volatility	Oct 20, 26	31.74%	+0.0%	+0.8%	+3.9%	-11.2%	-10.6%	+6.7%	-29.0%
14-Day RSI	Oct 20, 26	67.83	+0.4%	+10.0%	-10.5%	+77.5%	+55.5%	+44.8%	-3.4%
Beta	Oct 20, 26	-0.35	0.0%	-34.6%	-169.2%	-131.5%	-131.0%	-163.6%	-125.4%
ATR	Oct 20, 26	$8.79	-0.9%	+5.8%	+55.0%	+196.5%	+164.0%	+219.9%	+302.3%
Price	Oct 20, 26	$291.03	+0.2%	+11.2%	+37.1%	+125.5%	+126.3%	+156.3%	+251.8%
200-Day SMA	Oct 20, 26	$193.28	+0.4%	+8.1%	+23.1%	+54.5%	+58.5%	+85.0%	+145.8%
50-Day SMA	Oct 20, 26	$258.99	+0.6%	+12.0%	+43.5%	+91.0%	+98.4%	+123.0%	+258.1%
20-Day SMA	Oct 20, 26	$273.22	+0.6%	+7.1%	+46.7%	+103.1%	+106.0%	+138.0%	+251.4%

1-Month Volatility History

Date	Value	Change
Oct 21, 2026	27.89%	-5.2%
Dec 31, 2025	29.43%	+3.6%
Dec 31, 2024	28.42%	+58.0%
Dec 31, 2023	17.99%	-40.2%
Dec 31, 2022	30.06%	-2.7%
Dec 31, 2021	30.89%	-20.2%
Dec 31, 2020	38.71%	+199.6%
Dec 31, 2019	12.92%	-67.0%

Date	Value	Change
Dec 31, 2018	39.14%	+227.8%
Dec 31, 2017	11.94%	-25.1%
Dec 31, 2016	15.94%	-48.3%
Dec 31, 2015	30.85%	-10.0%
Dec 31, 2014	34.26%	+68.4%
Dec 31, 2013	20.34%	-28.0%
Dec 31, 2012	28.26%	-

FAQ

What is the current 1-month volatility of PSX?: As of today, PSX 1-month volatility is 27.89%
What 1-month volatility category does PSX fall into?: Based on its current 1-month historical volatility, PSX falls into the moderate volatility category
What is PSX 1-month volatility 1-year high?: PSX 1-month volatility reached a 1-year high of 44.63% on January 12, 2026
What is PSX 1-month volatility 1-year low?: PSX 1-month volatility reached a 1-year low of 21.00% on September 11, 2026

3-Month

29.12%

October 20, 2026

Summary

Current Value: As of today, PSX 3-month volatility is 29.12%, up +0.48% on October 20, 2026
Value Category: Based on its current 3-month historical volatility, PSX falls into the moderate volatility category
1-Year High: PSX 3-month volatility reached a 1-year high of 35.46% on May 26, 2026
1-Year Low: PSX 3-month volatility reached a 1-year low of 22.94% on November 10, 2025

Performance

PSX Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Oct 20, 26	29.12%	+0.5%	-5.9%	-11.9%	+7.3%	+23.1%	+29.2%	-14.1%
10-Day Volatility	Oct 20, 26	33.14%	-0.2%	-5.5%	-12.8%	+153.9%	+33.7%	+54.6%	+38.8%
1-Month Volatility	Oct 20, 26	27.89%	-13.6%	-4.4%	-13.6%	-3.8%	+16.7%	-1.0%	-8.9%
1-Year Volatility	Oct 20, 26	31.74%	+0.0%	+0.8%	+3.9%	-11.2%	-10.6%	+6.7%	-29.0%
14-Day RSI	Oct 20, 26	67.83	+0.4%	+10.0%	-10.5%	+77.5%	+55.5%	+44.8%	-3.4%
Beta	Oct 20, 26	-0.35	0.0%	-34.6%	-169.2%	-131.5%	-131.0%	-163.6%	-125.4%
ATR	Oct 20, 26	$8.79	-0.9%	+5.8%	+55.0%	+196.5%	+164.0%	+219.9%	+302.3%
Price	Oct 20, 26	$291.03	+0.2%	+11.2%	+37.1%	+125.5%	+126.3%	+156.3%	+251.8%
200-Day SMA	Oct 20, 26	$193.28	+0.4%	+8.1%	+23.1%	+54.5%	+58.5%	+85.0%	+145.8%
50-Day SMA	Oct 20, 26	$258.99	+0.6%	+12.0%	+43.5%	+91.0%	+98.4%	+123.0%	+258.1%
20-Day SMA	Oct 20, 26	$273.22	+0.6%	+7.1%	+46.7%	+103.1%	+106.0%	+138.0%	+251.4%

3-Month Volatility History

Date	Value	Change
Oct 21, 2026	29.12%	+7.9%
Dec 31, 2025	26.99%	-0.7%
Dec 31, 2024	27.18%	+7.0%
Dec 31, 2023	25.41%	-25.4%
Dec 31, 2022	34.08%	-7.3%
Dec 31, 2021	36.76%	-44.8%
Dec 31, 2020	66.65%	+248.6%
Dec 31, 2019	19.12%	-49.3%

Date	Value	Change
Dec 31, 2018	37.69%	+166.4%
Dec 31, 2017	14.15%	-14.0%
Dec 31, 2016	16.45%	-37.2%
Dec 31, 2015	26.18%	-30.7%
Dec 31, 2014	37.79%	+83.1%
Dec 31, 2013	20.64%	-35.4%
Dec 31, 2012	31.94%	-

FAQ

What is the current 3-month volatility of PSX?: As of today, PSX 3-month volatility is 29.12%
What 3-month volatility category does PSX fall into?: Based on its current 3-month historical volatility, PSX falls into the moderate volatility category
What is PSX 3-month volatility 1-year high?: PSX 3-month volatility reached a 1-year high of 35.46% on May 26, 2026
What is PSX 3-month volatility 1-year low?: PSX 3-month volatility reached a 1-year low of 22.94% on November 10, 2025

1-Year

31.74%

October 20, 2026

Summary

Current Value: As of today, PSX 1-year volatility is 31.74%, up +0.03% on October 20, 2026
Value Category: Based on its current 1-year historical volatility, PSX falls into the moderate volatility category
1-Year High: PSX 1-year volatility reached a 1-year high of 36.90% on January 16, 2026
1-Year Low: PSX 1-year volatility reached a 1-year low of 29.56% on June 8, 2026

Performance

PSX Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Oct 20, 26	31.74%	+0.0%	+0.8%	+3.9%	-11.2%	-10.6%	+6.7%	-29.0%
10-Day Volatility	Oct 20, 26	33.14%	-0.2%	-5.5%	-12.8%	+153.9%	+33.7%	+54.6%	+38.8%
1-Month Volatility	Oct 20, 26	27.89%	-13.6%	-4.4%	-13.6%	-3.8%	+16.7%	-1.0%	-8.9%
3-Month Volatility	Oct 20, 26	29.12%	+0.5%	-5.9%	-11.9%	+7.3%	+23.1%	+29.2%	-14.1%
1-Year Volatility	Oct 20, 26	31.74%	+0.0%	+0.8%	+3.9%	-11.2%	-10.6%	+6.7%	-29.0%
14-Day RSI	Oct 20, 26	67.83	+0.4%	+10.0%	-10.5%	+77.5%	+55.5%	+44.8%	-3.4%
Beta	Oct 20, 26	-0.35	0.0%	-34.6%	-169.2%	-131.5%	-131.0%	-163.6%	-125.4%
ATR	Oct 20, 26	$8.79	-0.9%	+5.8%	+55.0%	+196.5%	+164.0%	+219.9%	+302.3%
Price	Oct 20, 26	$291.03	+0.2%	+11.2%	+37.1%	+125.5%	+126.3%	+156.3%	+251.8%
200-Day SMA	Oct 20, 26	$193.28	+0.4%	+8.1%	+23.1%	+54.5%	+58.5%	+85.0%	+145.8%
50-Day SMA	Oct 20, 26	$258.99	+0.6%	+12.0%	+43.5%	+91.0%	+98.4%	+123.0%	+258.1%
20-Day SMA	Oct 20, 26	$273.22	+0.6%	+7.1%	+46.7%	+103.1%	+106.0%	+138.0%	+251.4%

1-Year Volatility History

Date	Value	Change
Oct 21, 2026	31.74%	-11.2%
Dec 31, 2025	35.74%	+39.4%
Dec 31, 2024	25.63%	-10.9%
Dec 31, 2023	28.76%	-27.1%
Dec 31, 2022	39.45%	+11.6%
Dec 31, 2021	35.35%	-49.3%
Dec 31, 2020	69.69%	+227.6%
Dec 31, 2019	21.27%	-19.1%

Date	Value	Change
Dec 31, 2018	26.29%	+74.6%
Dec 31, 2017	15.06%	-37.4%
Dec 31, 2016	24.05%	-15.8%
Dec 31, 2015	28.55%	+12.8%
Dec 31, 2014	25.30%	-11.3%
Dec 31, 2013	28.52%	-16.5%
Dec 31, 2012	34.16%	-

FAQ

What is the current 1-year volatility of PSX?: As of today, PSX 1-year volatility is 31.74%
What 1-year volatility category does PSX fall into?: Based on its current 1-year historical volatility, PSX falls into the moderate volatility category
What is PSX 1-year volatility 1-year high?: PSX 1-year volatility reached a 1-year high of 36.90% on January 16, 2026
What is PSX 1-year volatility 1-year low?: PSX 1-year volatility reached a 1-year low of 29.56% on June 8, 2026

Data Sources & References

PSX Official Website www.phillips66.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1534701/000153470126000006/0001534701-26-000006-index.htm
PSX Profile on Yahoo Finance finance.yahoo.com/quote/PSX
PSX Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/psx