What is the current 10-day volatility of WDC?

As of today, WDC 10-day volatility is 117.51%

What 10-day volatility category does WDC fall into?

Based on its current 10-day historical volatility, WDC falls into the extreme volatility category

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

WDC 10-day volatility reached a 1-year high of 139.99% on June 29, 2026

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

WDC 10-day volatility reached a 1-year low of 16.16% on August 20, 2025

What is the current 1-month volatility of WDC?

As of today, WDC 1-month volatility is 109.02%

What 1-month volatility category does WDC fall into?

Based on its current 1-month historical volatility, WDC falls into the extreme volatility category

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

WDC 1-month volatility reached a 1-year high of 126.51% on July 2, 2026

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

WDC 1-month volatility reached a 1-year low of 25.58% on August 29, 2025

What is the current 3-month volatility of WDC?

As of today, WDC 3-month volatility is 97.38%

What 3-month volatility category does WDC fall into?

Based on its current 3-month historical volatility, WDC falls into the extreme volatility category

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

WDC 3-month volatility reached a 1-year high of 98.12% on July 30, 2026

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

WDC 3-month volatility reached a 1-year low of 30.40% on August 13, 2025

What is the current 1-year volatility of WDC?

As of today, WDC 1-year volatility is 76.94%

What 1-year volatility category does WDC fall into?

Based on its current 1-year historical volatility, WDC falls into the extreme volatility category

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

WDC 1-year volatility reached a 1-year high of 77.49% on July 30, 2026

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

WDC 1-year volatility reached a 1-year low of 46.00% on August 20, 2025

WDC Stock Volatility History & Chart Since 1978

10-Day

117.51%

July 31, 2026

Summary

Current Value: As of today, WDC 10-day volatility is 117.51%, unchanged on July 31, 2026
Value Category: Based on its current 10-day historical volatility, WDC falls into the extreme volatility category
1-Year High: WDC 10-day volatility reached a 1-year high of 139.99% on June 29, 2026
1-Year Low: WDC 10-day volatility reached a 1-year low of 16.16% on August 20, 2025

10-Day Volatility Chart

Performance

WDC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jul 31, 26	117.51%	0.0%	+1.5%	+185.0%	+147.9%	+118.6%	+193.0%	+293.0%
1-Month Volatility	Jul 31, 26	109.02%	-2.0%	-4.6%	+108.1%	+102.2%	+172.1%	+241.9%	+229.3%
3-Month Volatility	Jul 31, 26	97.38%	-0.8%	+22.1%	+32.1%	+49.2%	+209.0%	+160.4%	+150.0%
1-Year Volatility	Jul 31, 26	76.94%	-0.7%	+8.7%	+24.7%	+40.5%	+61.7%	+74.2%	+59.1%
14-Day RSI	Jul 31, 26	51.02	+3.0%	-7.5%	-34.5%	-2.1%	-40.2%	-28.4%	+18.0%
Beta	Jul 31, 26	3.07	0.0%	+5.9%	+34.6%	+77.5%	+89.5%	+104.7%	+149.6%
ATR	Jul 31, 26	$54.07	-0.7%	-1.4%	+134.3%	+488.3%	+2345.6%	+6152.7%	+3122.5%
Price	Jul 31, 26	$544.84	+2.2%	-14.7%	+25.4%	+216.3%	+592.4%	+1593.7%	+1010.1%
200-Day SMA	Jul 31, 26	$331.84	+0.7%	+16.1%	+75.4%	+262.3%	+556.7%	+1083.7%	+622.4%
50-Day SMA	Jul 31, 26	$561.29	+0.3%	+7.5%	+78.7%	+251.5%	+817.4%	+1803.3%	+954.9%
20-Day SMA	Jul 31, 26	$528.46	+0.1%	-13.8%	+44.0%	+203.4%	+677.2%	+1691.1%	+953.6%

10-Day Volatility History

Date	Value	Change
Jul 31, 2026	117.51%	+147.9%
Dec 31, 2025	47.40%	+32.0%
Dec 31, 2024	35.90%	-2.9%
Dec 31, 2023	36.99%	+0.7%
Dec 31, 2022	36.74%	-4.7%
Dec 31, 2021	38.57%	-46.2%
Dec 31, 2020	71.71%	+180.2%
Dec 31, 2019	25.59%	-42.7%
Dec 31, 2018	44.65%	+91.5%
Dec 31, 2017	23.32%	+34.0%
Dec 31, 2016	17.40%	-23.6%
Dec 31, 2015	22.77%	-20.6%
Dec 31, 2014	28.67%	+89.0%
Dec 31, 2013	15.17%	-50.7%
Dec 31, 2012	30.80%	-2.0%
Dec 31, 2011	31.43%	+259.2%
Dec 31, 2010	8.75%	-55.7%
Dec 31, 2009	19.74%	-62.6%
Dec 31, 2008	52.73%	+79.2%
Dec 31, 2007	29.43%	+45.1%
Dec 31, 2006	20.28%	-78.6%
Dec 31, 2005	94.82%	+363.0%
Dec 31, 2004	20.48%	-22.8%
Dec 31, 2003	26.53%	-52.1%
Dec 31, 2002	55.42%	-39.5%

Date	Value	Change
Dec 31, 2001	91.57%	-23.0%
Dec 31, 2000	118.91%	+58.0%
Dec 31, 1999	75.27%	+18.1%
Dec 31, 1998	63.72%	+10.4%
Dec 31, 1997	57.73%	+23.5%
Dec 31, 1996	46.76%	-16.6%
Dec 31, 1995	56.08%	+42.0%
Dec 31, 1994	39.50%	+9.3%
Dec 31, 1993	36.15%	-20.7%
Dec 31, 1992	45.58%	-55.4%
Dec 31, 1991	102.13%	+129.7%
Dec 31, 1990	44.46%	+3.7%
Dec 31, 1989	42.89%	+3.6%
Dec 31, 1988	41.38%	-13.3%
Dec 31, 1987	47.71%	+95.3%
Dec 31, 1986	24.43%	-45.3%
Dec 31, 1985	44.64%	-21.1%
Dec 31, 1984	56.57%	+26.9%
Dec 31, 1983	44.57%	-53.7%
Dec 31, 1982	96.34%	+137.7%
Dec 31, 1981	40.53%	-40.1%
Dec 31, 1980	67.66%	+13.7%
Dec 31, 1979	59.49%	-64.2%
Dec 31, 1978	166.01%	-

FAQ

What is the current 10-day volatility of WDC?
As of today, WDC 10-day volatility is 117.51%
What 10-day volatility category does WDC fall into?
Based on its current 10-day historical volatility, WDC falls into the extreme volatility category
What is WDC 10-day volatility 1-year high?
WDC 10-day volatility reached a 1-year high of 139.99% on June 29, 2026
What is WDC 10-day volatility 1-year low?
WDC 10-day volatility reached a 1-year low of 16.16% on August 20, 2025

1-Month

109.02%

July 31, 2026

Summary

Current Value: As of today, WDC 1-month volatility is 109.02%, down -2.03% on July 31, 2026
Value Category: Based on its current 1-month historical volatility, WDC falls into the extreme volatility category
1-Year High: WDC 1-month volatility reached a 1-year high of 126.51% on July 2, 2026
1-Year Low: WDC 1-month volatility reached a 1-year low of 25.58% on August 29, 2025

Performance

WDC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jul 31, 26	109.02%	-2.0%	-4.6%	+108.1%	+102.2%	+172.1%	+241.9%	+229.3%
10-Day Volatility	Jul 31, 26	117.51%	0.0%	+1.5%	+185.0%	+147.9%	+118.6%	+193.0%	+293.0%
3-Month Volatility	Jul 31, 26	97.38%	-0.8%	+22.1%	+32.1%	+49.2%	+209.0%	+160.4%	+150.0%
1-Year Volatility	Jul 31, 26	76.94%	-0.7%	+8.7%	+24.7%	+40.5%	+61.7%	+74.2%	+59.1%
14-Day RSI	Jul 31, 26	51.02	+3.0%	-7.5%	-34.5%	-2.1%	-40.2%	-28.4%	+18.0%
Beta	Jul 31, 26	3.07	0.0%	+5.9%	+34.6%	+77.5%	+89.5%	+104.7%	+149.6%
ATR	Jul 31, 26	$54.07	-0.7%	-1.4%	+134.3%	+488.3%	+2345.6%	+6152.7%	+3122.5%
Price	Jul 31, 26	$544.84	+2.2%	-14.7%	+25.4%	+216.3%	+592.4%	+1593.7%	+1010.1%
200-Day SMA	Jul 31, 26	$331.84	+0.7%	+16.1%	+75.4%	+262.3%	+556.7%	+1083.7%	+622.4%
50-Day SMA	Jul 31, 26	$561.29	+0.3%	+7.5%	+78.7%	+251.5%	+817.4%	+1803.3%	+954.9%
20-Day SMA	Jul 31, 26	$528.46	+0.1%	-13.8%	+44.0%	+203.4%	+677.2%	+1691.1%	+953.6%

1-Month Volatility History

Date	Value	Change
Jul 31, 2026	109.02%	+107.1%
Dec 31, 2025	52.63%	+58.6%
Dec 31, 2024	33.19%	+10.6%
Dec 31, 2023	30.00%	-36.0%
Dec 31, 2022	46.90%	+30.0%
Dec 31, 2021	36.07%	-37.8%
Dec 31, 2020	58.03%	+57.2%
Dec 31, 2019	36.91%	-17.1%
Dec 31, 2018	44.51%	+62.0%
Dec 31, 2017	27.48%	-30.1%
Dec 31, 2016	39.29%	+32.9%
Dec 31, 2015	29.57%	+23.7%
Dec 31, 2014	23.91%	+12.7%
Dec 31, 2013	21.22%	-37.9%
Dec 31, 2012	34.18%	-10.3%
Dec 31, 2011	38.09%	+75.4%
Dec 31, 2010	21.72%	-16.5%
Dec 31, 2009	26.02%	-72.3%
Dec 31, 2008	93.82%	+122.2%
Dec 31, 2007	42.23%	+93.3%
Dec 31, 2006	21.85%	-67.4%
Dec 31, 2005	66.96%	+110.8%
Dec 31, 2004	31.77%	-45.3%
Dec 31, 2003	58.07%	-29.1%
Dec 31, 2002	81.92%	-4.9%

Date	Value	Change
Dec 31, 2001	86.10%	-54.3%
Dec 31, 2000	188.55%	+141.4%
Dec 31, 1999	78.10%	-44.5%
Dec 31, 1998	140.77%	+136.1%
Dec 31, 1997	59.63%	+6.1%
Dec 31, 1996	56.18%	-2.1%
Dec 31, 1995	57.41%	+63.7%
Dec 31, 1994	35.06%	-17.6%
Dec 31, 1993	42.57%	+3.6%
Dec 31, 1992	41.08%	-53.1%
Dec 31, 1991	87.58%	+46.0%
Dec 31, 1990	59.98%	+63.2%
Dec 31, 1989	36.75%	-12.6%
Dec 31, 1988	42.03%	-30.7%
Dec 31, 1987	60.66%	+151.4%
Dec 31, 1986	24.13%	-49.8%
Dec 31, 1985	48.04%	-5.9%
Dec 31, 1984	51.03%	+43.2%
Dec 31, 1983	35.64%	-54.1%
Dec 31, 1982	77.63%	+73.0%
Dec 31, 1981	44.88%	-18.1%
Dec 31, 1980	54.80%	-21.1%
Dec 31, 1979	69.48%	-42.8%
Dec 31, 1978	121.52%	-

FAQ

What is the current 1-month volatility of WDC?
As of today, WDC 1-month volatility is 109.02%
What 1-month volatility category does WDC fall into?
Based on its current 1-month historical volatility, WDC falls into the extreme volatility category
What is WDC 1-month volatility 1-year high?
WDC 1-month volatility reached a 1-year high of 126.51% on July 2, 2026
What is WDC 1-month volatility 1-year low?
WDC 1-month volatility reached a 1-year low of 25.58% on August 29, 2025

3-Month

97.38%

July 31, 2026

Summary

Current Value: As of today, WDC 3-month volatility is 97.38%, down -0.75% on July 31, 2026
Value Category: Based on its current 3-month historical volatility, WDC falls into the extreme volatility category
1-Year High: WDC 3-month volatility reached a 1-year high of 98.12% on July 30, 2026
1-Year Low: WDC 3-month volatility reached a 1-year low of 30.40% on August 13, 2025

Performance

WDC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jul 31, 26	97.38%	-0.8%	+22.1%	+32.1%	+49.2%	+209.0%	+160.4%	+150.0%
10-Day Volatility	Jul 31, 26	117.51%	0.0%	+1.5%	+185.0%	+147.9%	+118.6%	+193.0%	+293.0%
1-Month Volatility	Jul 31, 26	109.02%	-2.0%	-4.6%	+108.1%	+102.2%	+172.1%	+241.9%	+229.3%
1-Year Volatility	Jul 31, 26	76.94%	-0.7%	+8.7%	+24.7%	+40.5%	+61.7%	+74.2%	+59.1%
14-Day RSI	Jul 31, 26	51.02	+3.0%	-7.5%	-34.5%	-2.1%	-40.2%	-28.4%	+18.0%
Beta	Jul 31, 26	3.07	0.0%	+5.9%	+34.6%	+77.5%	+89.5%	+104.7%	+149.6%
ATR	Jul 31, 26	$54.07	-0.7%	-1.4%	+134.3%	+488.3%	+2345.6%	+6152.7%	+3122.5%
Price	Jul 31, 26	$544.84	+2.2%	-14.7%	+25.4%	+216.3%	+592.4%	+1593.7%	+1010.1%
200-Day SMA	Jul 31, 26	$331.84	+0.7%	+16.1%	+75.4%	+262.3%	+556.7%	+1083.7%	+622.4%
50-Day SMA	Jul 31, 26	$561.29	+0.3%	+7.5%	+78.7%	+251.5%	+817.4%	+1803.3%	+954.9%
20-Day SMA	Jul 31, 26	$528.46	+0.1%	-13.8%	+44.0%	+203.4%	+677.2%	+1691.1%	+953.6%

3-Month Volatility History

Date	Value	Change
Jul 31, 2026	97.38%	+45.8%
Dec 31, 2025	66.80%	+86.1%
Dec 31, 2024	35.89%	-2.9%
Dec 31, 2023	36.98%	-29.2%
Dec 31, 2022	52.23%	+28.9%
Dec 31, 2021	40.51%	-15.0%
Dec 31, 2020	47.68%	-3.3%
Dec 31, 2019	49.33%	-14.0%
Dec 31, 2018	57.36%	+79.6%
Dec 31, 2017	31.93%	-9.3%
Dec 31, 2016	35.19%	+8.4%
Dec 31, 2015	32.47%	+23.3%
Dec 31, 2014	26.33%	+1.1%
Dec 31, 2013	26.04%	-21.5%
Dec 31, 2012	33.19%	-42.0%
Dec 31, 2011	57.23%	+83.1%
Dec 31, 2010	31.25%	-5.6%
Dec 31, 2009	33.09%	-66.9%
Dec 31, 2008	99.95%	+119.6%
Dec 31, 2007	45.51%	+40.8%
Dec 31, 2006	32.33%	-39.4%
Dec 31, 2005	53.38%	+47.9%
Dec 31, 2004	36.10%	-40.5%
Dec 31, 2003	60.68%	-15.9%
Dec 31, 2002	72.15%	-23.3%

Date	Value	Change
Dec 31, 2001	94.12%	-26.6%
Dec 31, 2000	128.27%	+25.7%
Dec 31, 1999	102.04%	-9.6%
Dec 31, 1998	112.91%	+48.9%
Dec 31, 1997	75.85%	+66.7%
Dec 31, 1996	45.50%	-0.3%
Dec 31, 1995	45.65%	+18.8%
Dec 31, 1994	38.44%	-42.6%
Dec 31, 1993	66.96%	+30.6%
Dec 31, 1992	51.29%	-35.1%
Dec 31, 1991	79.06%	+11.9%
Dec 31, 1990	70.68%	+40.2%
Dec 31, 1989	50.43%	+32.5%
Dec 31, 1988	38.06%	-60.5%
Dec 31, 1987	96.28%	+113.0%
Dec 31, 1986	45.21%	-16.7%
Dec 31, 1985	54.29%	+1.4%
Dec 31, 1984	53.56%	-10.9%
Dec 31, 1983	60.14%	-24.4%
Dec 31, 1982	79.54%	+79.8%
Dec 31, 1981	44.25%	-20.9%
Dec 31, 1980	55.92%	-19.7%
Dec 31, 1979	69.64%	-43.1%
Dec 31, 1978	122.42%	-

FAQ

What is the current 3-month volatility of WDC?
As of today, WDC 3-month volatility is 97.38%
What 3-month volatility category does WDC fall into?
Based on its current 3-month historical volatility, WDC falls into the extreme volatility category
What is WDC 3-month volatility 1-year high?
WDC 3-month volatility reached a 1-year high of 98.12% on July 30, 2026
What is WDC 3-month volatility 1-year low?
WDC 3-month volatility reached a 1-year low of 30.40% on August 13, 2025

1-Year

76.94%

July 31, 2026

Summary

Current Value: As of today, WDC 1-year volatility is 76.94%, down -0.71% on July 31, 2026
Value Category: Based on its current 1-year historical volatility, WDC falls into the extreme volatility category
1-Year High: WDC 1-year volatility reached a 1-year high of 77.49% on July 30, 2026
1-Year Low: WDC 1-year volatility reached a 1-year low of 46.00% on August 20, 2025

Performance

WDC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jul 31, 26	76.94%	-0.7%	+8.7%	+24.7%	+40.5%	+61.7%	+74.2%	+59.1%
10-Day Volatility	Jul 31, 26	117.51%	0.0%	+1.5%	+185.0%	+147.9%	+118.6%	+193.0%	+293.0%
1-Month Volatility	Jul 31, 26	109.02%	-2.0%	-4.6%	+108.1%	+102.2%	+172.1%	+241.9%	+229.3%
3-Month Volatility	Jul 31, 26	97.38%	-0.8%	+22.1%	+32.1%	+49.2%	+209.0%	+160.4%	+150.0%
1-Year Volatility	Jul 31, 26	76.94%	-0.7%	+8.7%	+24.7%	+40.5%	+61.7%	+74.2%	+59.1%
14-Day RSI	Jul 31, 26	51.02	+3.0%	-7.5%	-34.5%	-2.1%	-40.2%	-28.4%	+18.0%
Beta	Jul 31, 26	3.07	0.0%	+5.9%	+34.6%	+77.5%	+89.5%	+104.7%	+149.6%
ATR	Jul 31, 26	$54.07	-0.7%	-1.4%	+134.3%	+488.3%	+2345.6%	+6152.7%	+3122.5%
Price	Jul 31, 26	$544.84	+2.2%	-14.7%	+25.4%	+216.3%	+592.4%	+1593.7%	+1010.1%
200-Day SMA	Jul 31, 26	$331.84	+0.7%	+16.1%	+75.4%	+262.3%	+556.7%	+1083.7%	+622.4%
50-Day SMA	Jul 31, 26	$561.29	+0.3%	+7.5%	+78.7%	+251.5%	+817.4%	+1803.3%	+954.9%
20-Day SMA	Jul 31, 26	$528.46	+0.1%	-13.8%	+44.0%	+203.4%	+677.2%	+1691.1%	+953.6%

1-Year Volatility History

Date	Value	Change
Jul 31, 2026	76.94%	+40.5%
Dec 31, 2025	54.77%	+41.7%
Dec 31, 2024	38.64%	+1.3%
Dec 31, 2023	38.14%	-19.9%
Dec 31, 2022	47.60%	+11.2%
Dec 31, 2021	42.79%	-37.8%
Dec 31, 2020	68.75%	+42.7%
Dec 31, 2019	48.19%	+21.2%
Dec 31, 2018	39.75%	+31.6%
Dec 31, 2017	30.20%	-38.5%
Dec 31, 2016	49.07%	+43.0%
Dec 31, 2015	34.32%	+47.1%
Dec 31, 2014	23.33%	-18.8%
Dec 31, 2013	28.73%	-32.5%
Dec 31, 2012	42.55%	-10.6%
Dec 31, 2011	47.58%	+14.1%
Dec 31, 2010	41.69%	-22.3%
Dec 31, 2009	53.65%	-23.8%
Dec 31, 2008	70.39%	+92.0%
Dec 31, 2007	36.67%	-11.8%
Dec 31, 2006	41.57%	-4.0%
Dec 31, 2005	43.29%	-4.7%
Dec 31, 2004	45.43%	-29.7%
Dec 31, 2003	64.65%	-27.2%
Dec 31, 2002	88.84%	-5.6%

Date	Value	Change
Dec 31, 2001	94.16%	-28.8%
Dec 31, 2000	132.32%	+47.8%
Dec 31, 1999	89.54%	+6.6%
Dec 31, 1998	84.01%	+20.2%
Dec 31, 1997	69.92%	+49.4%
Dec 31, 1996	46.81%	-9.4%
Dec 31, 1995	51.67%	-11.1%
Dec 31, 1994	58.10%	-11.3%
Dec 31, 1993	65.47%	+11.2%
Dec 31, 1992	58.90%	-25.8%
Dec 31, 1991	79.36%	+44.8%
Dec 31, 1990	54.81%	+17.1%
Dec 31, 1989	46.80%	+5.6%
Dec 31, 1988	44.33%	-32.1%
Dec 31, 1987	65.30%	+36.8%
Dec 31, 1986	47.72%	-8.9%
Dec 31, 1985	52.38%	-2.5%
Dec 31, 1984	53.74%	-9.9%
Dec 31, 1983	59.67%	-15.9%
Dec 31, 1982	70.95%	+35.7%
Dec 31, 1981	52.30%	-26.1%
Dec 31, 1980	70.74%	-3.7%
Dec 31, 1979	73.47%	-40.0%
Dec 31, 1978	122.42%	-

FAQ

What is the current 1-year volatility of WDC?
As of today, WDC 1-year volatility is 76.94%
What 1-year volatility category does WDC fall into?
Based on its current 1-year historical volatility, WDC falls into the extreme volatility category
What is WDC 1-year volatility 1-year high?
WDC 1-year volatility reached a 1-year high of 77.49% on July 30, 2026
What is WDC 1-year volatility 1-year low?
WDC 1-year volatility reached a 1-year low of 46.00% on August 20, 2025

Data Sources & References

WDC Official Website www.westerndigital.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/106040/000010604025000038/0000106040-25-000038-index.htm
WDC Profile on Yahoo Finance finance.yahoo.com/quote/WDC
WDC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wdc