What is the current 10-day volatility of FLS?

As of today, FLS 10-day volatility is 68.51%

What 10-day volatility category does FLS fall into?

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

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

FLS 10-day volatility reached a 1-year high of 159.89% on November 7, 2025

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

FLS 10-day volatility reached a 1-year low of 17.10% on February 5, 2026

What is the current 1-month volatility of FLS?

As of today, FLS 1-month volatility is 53.43%

What 1-month volatility category does FLS fall into?

Based on its current 1-month historical volatility, FLS falls into the high volatility category

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

FLS 1-month volatility reached a 1-year high of 112.14% on November 21, 2025

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

FLS 1-month volatility reached a 1-year low of 18.57% on January 16, 2026

What is the current 3-month volatility of FLS?

As of today, FLS 3-month volatility is 37.93%

What 3-month volatility category does FLS fall into?

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

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

FLS 3-month volatility reached a 1-year high of 67.83% on January 2, 2026

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

FLS 3-month volatility reached a 1-year low of 21.87% on February 4, 2026

What is the current 1-year volatility of FLS?

As of today, FLS 1-year volatility is 41.98%

What 1-year volatility category does FLS fall into?

Based on its current 1-year historical volatility, FLS falls into the high volatility category

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

FLS 1-year volatility reached a 1-year high of 50.81% on October 23, 2026

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

FLS 1-year volatility reached a 1-year low of 41.96% on October 29, 2026

FLS Stock Volatility History & Chart Since 1980

10-Day

68.51%

October 29, 2026

Summary

Current Value: As of today, FLS 10-day volatility is 68.51%, up +93.64% on October 29, 2026
Value Category: Based on its current 10-day historical volatility, FLS falls into the extreme volatility category
1-Year High: FLS 10-day volatility reached a 1-year high of 159.89% on November 7, 2025
1-Year Low: FLS 10-day volatility reached a 1-year low of 17.10% on February 5, 2026

10-Day Volatility Chart

Performance

FLS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 29, 26	68.51%	+93.6%	+173.5%	+24.6%	+297.9%	-56.0%	+57.9%	+43.6%
1-Month Volatility	Oct 29, 26	53.43%	+61.6%	+78.2%	+12.7%	+164.1%	-50.7%	+58.1%	+29.3%
3-Month Volatility	Oct 29, 26	37.93%	+10.2%	+8.1%	-20.8%	-43.6%	-42.4%	+38.1%	+14.1%
1-Year Volatility	Oct 29, 26	41.98%	-17.3%	-16.7%	-16.1%	-13.8%	-14.1%	+37.2%	+12.6%
14-Day RSI	Oct 29, 26	68.06	+35.3%	+60.3%	+18.6%	+43.3%	-12.8%	+57.2%	+87.7%
Beta	Oct 29, 26	1.74	-1.7%	+2.4%	+0.6%	+15.2%	+16.0%	+64.2%	+42.6%
ATR	Oct 29, 26	$2.87	+19.0%	+24.8%	-12.4%	+84.7%	+14.8%	+143.8%	+152.9%
Price	Oct 29, 26	$80.35	+11.9%	+9.9%	+6.7%	+15.8%	+19.3%	+119.7%	+139.0%
200-Day SMA	Oct 29, 26	$76.35	+0.0%	+0.0%	+3.7%	+38.7%	+45.4%	+112.2%	+94.1%
50-Day SMA	Oct 29, 26	$74.26	+0.1%	-3.0%	+1.5%	+9.4%	+37.0%	+92.5%	+104.0%
20-Day SMA	Oct 29, 26	$71.43	+0.5%	-4.3%	+1.3%	+0.3%	+34.0%	+89.6%	+99.3%

10-Day Volatility History

Date	Value	Change
Oct 30, 2026	68.51%	+297.9%
Dec 31, 2025	17.22%	-28.8%
Dec 31, 2024	24.19%	+35.3%
Dec 31, 2023	17.88%	-45.7%
Dec 31, 2022	32.95%	+11.7%
Dec 31, 2021	29.49%	+75.1%
Dec 31, 2020	16.84%	+19.7%
Dec 31, 2019	14.07%	-69.9%
Dec 31, 2018	46.67%	+252.5%
Dec 31, 2017	13.24%	-24.7%
Dec 31, 2016	17.59%	-45.0%
Dec 31, 2015	31.98%	+57.5%
Dec 31, 2014	20.31%	+61.7%
Dec 31, 2013	12.56%	-41.3%
Dec 31, 2012	21.40%	-38.9%
Dec 31, 2011	35.02%	+127.6%
Dec 31, 2010	15.39%	-24.4%
Dec 31, 2009	20.37%	-70.5%
Dec 31, 2008	69.03%	+78.9%
Dec 31, 2007	38.58%	+173.8%
Dec 31, 2006	14.09%	-29.5%
Dec 31, 2005	19.99%	+1.4%
Dec 31, 2004	19.72%	-46.5%
Dec 31, 2003	36.89%	-4.0%

Date	Value	Change
Dec 31, 2002	38.41%	-6.4%
Dec 31, 2001	41.04%	-46.0%
Dec 31, 2000	75.99%	+152.6%
Dec 31, 1999	30.08%	+0.1%
Dec 31, 1998	30.04%	-15.4%
Dec 31, 1997	35.49%	+100.7%
Dec 31, 1996	17.68%	-47.0%
Dec 31, 1995	33.37%	+186.4%
Dec 31, 1994	11.65%	-66.3%
Dec 31, 1993	34.53%	+7.8%
Dec 31, 1992	32.02%	-0.8%
Dec 31, 1991	32.29%	+34.4%
Dec 31, 1990	24.03%	-18.3%
Dec 31, 1989	29.42%	-45.5%
Dec 31, 1988	54.00%	+70.5%
Dec 31, 1987	31.67%	+9.9%
Dec 31, 1986	28.83%	+34.1%
Dec 31, 1985	21.50%	-38.6%
Dec 31, 1984	35.01%	+34.4%
Dec 31, 1983	26.05%	+8.2%
Dec 31, 1982	24.07%	-51.7%
Dec 31, 1981	49.80%	+202.6%
Dec 31, 1980	16.46%	-

FAQ

What is the current 10-day volatility of FLS?: As of today, FLS 10-day volatility is 68.51%
What 10-day volatility category does FLS fall into?: Based on its current 10-day historical volatility, FLS falls into the extreme volatility category
What is FLS 10-day volatility 1-year high?: FLS 10-day volatility reached a 1-year high of 159.89% on November 7, 2025
What is FLS 10-day volatility 1-year low?: FLS 10-day volatility reached a 1-year low of 17.10% on February 5, 2026

1-Month

53.43%

October 29, 2026

Summary

Current Value: As of today, FLS 1-month volatility is 53.43%, up +61.57% on October 29, 2026
Value Category: Based on its current 1-month historical volatility, FLS falls into the high volatility category
1-Year High: FLS 1-month volatility reached a 1-year high of 112.14% on November 21, 2025
1-Year Low: FLS 1-month volatility reached a 1-year low of 18.57% on January 16, 2026

Performance

FLS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Oct 29, 26	53.43%	+61.6%	+78.2%	+12.7%	+164.1%	-50.7%	+58.1%	+29.3%
10-Day Volatility	Oct 29, 26	68.51%	+93.6%	+173.5%	+24.6%	+297.9%	-56.0%	+57.9%	+43.6%
3-Month Volatility	Oct 29, 26	37.93%	+10.2%	+8.1%	-20.8%	-43.6%	-42.4%	+38.1%	+14.1%
1-Year Volatility	Oct 29, 26	41.98%	-17.3%	-16.7%	-16.1%	-13.8%	-14.1%	+37.2%	+12.6%
14-Day RSI	Oct 29, 26	68.06	+35.3%	+60.3%	+18.6%	+43.3%	-12.8%	+57.2%	+87.7%
Beta	Oct 29, 26	1.74	-1.7%	+2.4%	+0.6%	+15.2%	+16.0%	+64.2%	+42.6%
ATR	Oct 29, 26	$2.87	+19.0%	+24.8%	-12.4%	+84.7%	+14.8%	+143.8%	+152.9%
Price	Oct 29, 26	$80.35	+11.9%	+9.9%	+6.7%	+15.8%	+19.3%	+119.7%	+139.0%
200-Day SMA	Oct 29, 26	$76.35	+0.0%	+0.0%	+3.7%	+38.7%	+45.4%	+112.2%	+94.1%
50-Day SMA	Oct 29, 26	$74.26	+0.1%	-3.0%	+1.5%	+9.4%	+37.0%	+92.5%	+104.0%
20-Day SMA	Oct 29, 26	$71.43	+0.5%	-4.3%	+1.3%	+0.3%	+34.0%	+89.6%	+99.3%

1-Month Volatility History

Date	Value	Change
Oct 30, 2026	53.43%	+169.3%
Dec 31, 2025	19.84%	-0.1%
Dec 31, 2024	19.86%	-3.1%
Dec 31, 2023	20.49%	-33.5%
Dec 31, 2022	30.82%	+2.1%
Dec 31, 2021	30.19%	+19.6%
Dec 31, 2020	25.24%	+8.0%
Dec 31, 2019	23.36%	-41.6%
Dec 31, 2018	40.03%	+117.3%
Dec 31, 2017	18.42%	-32.5%
Dec 31, 2016	27.30%	-5.1%
Dec 31, 2015	28.78%	-9.7%
Dec 31, 2014	31.86%	+110.7%
Dec 31, 2013	15.12%	-6.7%
Dec 31, 2012	16.20%	-53.7%
Dec 31, 2011	34.97%	+114.0%
Dec 31, 2010	16.34%	-25.6%
Dec 31, 2009	21.96%	-78.5%
Dec 31, 2008	102.35%	+151.2%
Dec 31, 2007	40.74%	+239.2%
Dec 31, 2006	12.01%	-39.2%
Dec 31, 2005	19.75%	-21.5%
Dec 31, 2004	25.17%	-23.7%
Dec 31, 2003	32.99%	-13.8%

Date	Value	Change
Dec 31, 2002	38.26%	+7.2%
Dec 31, 2001	35.69%	-44.0%
Dec 31, 2000	63.78%	+91.5%
Dec 31, 1999	33.31%	+32.7%
Dec 31, 1998	25.10%	-28.0%
Dec 31, 1997	34.86%	+143.8%
Dec 31, 1996	14.30%	-47.9%
Dec 31, 1995	27.45%	+70.3%
Dec 31, 1994	16.12%	-47.1%
Dec 31, 1993	30.47%	+21.3%
Dec 31, 1992	25.11%	-15.3%
Dec 31, 1991	29.64%	+20.6%
Dec 31, 1990	24.58%	+4.2%
Dec 31, 1989	23.58%	-40.0%
Dec 31, 1988	39.29%	+30.7%
Dec 31, 1987	30.07%	-12.4%
Dec 31, 1986	34.32%	+42.3%
Dec 31, 1985	24.12%	-21.7%
Dec 31, 1984	30.79%	-24.1%
Dec 31, 1983	40.58%	+78.2%
Dec 31, 1982	22.77%	-39.5%
Dec 31, 1981	37.61%	-17.1%
Dec 31, 1980	45.39%	-

FAQ

What is the current 1-month volatility of FLS?: As of today, FLS 1-month volatility is 53.43%
What 1-month volatility category does FLS fall into?: Based on its current 1-month historical volatility, FLS falls into the high volatility category
What is FLS 1-month volatility 1-year high?: FLS 1-month volatility reached a 1-year high of 112.14% on November 21, 2025
What is FLS 1-month volatility 1-year low?: FLS 1-month volatility reached a 1-year low of 18.57% on January 16, 2026

3-Month

37.93%

October 29, 2026

Summary

Current Value: As of today, FLS 3-month volatility is 37.93%, up +10.17% on October 29, 2026
Value Category: Based on its current 3-month historical volatility, FLS falls into the moderate volatility category
1-Year High: FLS 3-month volatility reached a 1-year high of 67.83% on January 2, 2026
1-Year Low: FLS 3-month volatility reached a 1-year low of 21.87% on February 4, 2026

Performance

FLS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Oct 29, 26	37.93%	+10.2%	+8.1%	-20.8%	-43.6%	-42.4%	+38.1%	+14.1%
10-Day Volatility	Oct 29, 26	68.51%	+93.6%	+173.5%	+24.6%	+297.9%	-56.0%	+57.9%	+43.6%
1-Month Volatility	Oct 29, 26	53.43%	+61.6%	+78.2%	+12.7%	+164.1%	-50.7%	+58.1%	+29.3%
1-Year Volatility	Oct 29, 26	41.98%	-17.3%	-16.7%	-16.1%	-13.8%	-14.1%	+37.2%	+12.6%
14-Day RSI	Oct 29, 26	68.06	+35.3%	+60.3%	+18.6%	+43.3%	-12.8%	+57.2%	+87.7%
Beta	Oct 29, 26	1.74	-1.7%	+2.4%	+0.6%	+15.2%	+16.0%	+64.2%	+42.6%
ATR	Oct 29, 26	$2.87	+19.0%	+24.8%	-12.4%	+84.7%	+14.8%	+143.8%	+152.9%
Price	Oct 29, 26	$80.35	+11.9%	+9.9%	+6.7%	+15.8%	+19.3%	+119.7%	+139.0%
200-Day SMA	Oct 29, 26	$76.35	+0.0%	+0.0%	+3.7%	+38.7%	+45.4%	+112.2%	+94.1%
50-Day SMA	Oct 29, 26	$74.26	+0.1%	-3.0%	+1.5%	+9.4%	+37.0%	+92.5%	+104.0%
20-Day SMA	Oct 29, 26	$71.43	+0.5%	-4.3%	+1.3%	+0.3%	+34.0%	+89.6%	+99.3%

3-Month Volatility History

Date	Value	Change
Oct 30, 2026	37.93%	-43.2%
Dec 31, 2025	66.75%	+146.4%
Dec 31, 2024	27.09%	+3.5%
Dec 31, 2023	26.17%	-32.0%
Dec 31, 2022	38.48%	+17.0%
Dec 31, 2021	32.90%	-34.9%
Dec 31, 2020	50.55%	+99.4%
Dec 31, 2019	25.35%	-39.6%
Dec 31, 2018	41.95%	+46.7%
Dec 31, 2017	28.59%	-0.4%
Dec 31, 2016	28.71%	-12.3%
Dec 31, 2015	32.73%	-11.2%
Dec 31, 2014	36.85%	+26.9%
Dec 31, 2013	29.04%	+61.6%
Dec 31, 2012	17.97%	-64.5%
Dec 31, 2011	50.63%	+52.0%
Dec 31, 2010	33.31%	+6.3%
Dec 31, 2009	31.33%	-76.7%
Dec 31, 2008	134.72%	+180.1%
Dec 31, 2007	48.10%	+127.2%
Dec 31, 2006	21.17%	-27.3%
Dec 31, 2005	29.11%	-12.8%
Dec 31, 2004	33.39%	-8.4%
Dec 31, 2003	36.45%	-50.6%

Date	Value	Change
Dec 31, 2002	73.79%	+84.7%
Dec 31, 2001	39.95%	-13.3%
Dec 31, 2000	46.09%	+67.2%
Dec 31, 1999	27.56%	-14.7%
Dec 31, 1998	32.32%	+14.6%
Dec 31, 1997	28.21%	+32.3%
Dec 31, 1996	21.32%	-25.0%
Dec 31, 1995	28.44%	+17.5%
Dec 31, 1994	24.20%	-20.7%
Dec 31, 1993	30.52%	+3.3%
Dec 31, 1992	29.54%	-38.6%
Dec 31, 1991	48.09%	+39.8%
Dec 31, 1990	34.40%	+3.1%
Dec 31, 1989	33.37%	+11.2%
Dec 31, 1988	30.01%	-29.0%
Dec 31, 1987	42.26%	+30.7%
Dec 31, 1986	32.33%	+40.1%
Dec 31, 1985	23.08%	-18.2%
Dec 31, 1984	28.21%	-26.1%
Dec 31, 1983	38.15%	+26.7%
Dec 31, 1982	30.10%	+16.6%
Dec 31, 1981	25.81%	-37.0%
Dec 31, 1980	40.97%	-

FAQ

What is the current 3-month volatility of FLS?: As of today, FLS 3-month volatility is 37.93%
What 3-month volatility category does FLS fall into?: Based on its current 3-month historical volatility, FLS falls into the moderate volatility category
What is FLS 3-month volatility 1-year high?: FLS 3-month volatility reached a 1-year high of 67.83% on January 2, 2026
What is FLS 3-month volatility 1-year low?: FLS 3-month volatility reached a 1-year low of 21.87% on February 4, 2026

1-Year

41.98%

October 29, 2026

Summary

Current Value: As of today, FLS 1-year volatility is 41.98%, down -17.31% on October 29, 2026
Value Category: Based on its current 1-year historical volatility, FLS falls into the high volatility category
1-Year High: FLS 1-year volatility reached a 1-year high of 50.81% on October 23, 2026
1-Year Low: FLS 1-year volatility reached a 1-year low of 41.96% on October 29, 2026

Performance

FLS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Oct 29, 26	41.98%	-17.3%	-16.7%	-16.1%	-13.8%	-14.1%	+37.2%	+12.6%
10-Day Volatility	Oct 29, 26	68.51%	+93.6%	+173.5%	+24.6%	+297.9%	-56.0%	+57.9%	+43.6%
1-Month Volatility	Oct 29, 26	53.43%	+61.6%	+78.2%	+12.7%	+164.1%	-50.7%	+58.1%	+29.3%
3-Month Volatility	Oct 29, 26	37.93%	+10.2%	+8.1%	-20.8%	-43.6%	-42.4%	+38.1%	+14.1%
1-Year Volatility	Oct 29, 26	41.98%	-17.3%	-16.7%	-16.1%	-13.8%	-14.1%	+37.2%	+12.6%
14-Day RSI	Oct 29, 26	68.06	+35.3%	+60.3%	+18.6%	+43.3%	-12.8%	+57.2%	+87.7%
Beta	Oct 29, 26	1.74	-1.7%	+2.4%	+0.6%	+15.2%	+16.0%	+64.2%	+42.6%
ATR	Oct 29, 26	$2.87	+19.0%	+24.8%	-12.4%	+84.7%	+14.8%	+143.8%	+152.9%
Price	Oct 29, 26	$80.35	+11.9%	+9.9%	+6.7%	+15.8%	+19.3%	+119.7%	+139.0%
200-Day SMA	Oct 29, 26	$76.35	+0.0%	+0.0%	+3.7%	+38.7%	+45.4%	+112.2%	+94.1%
50-Day SMA	Oct 29, 26	$74.26	+0.1%	-3.0%	+1.5%	+9.4%	+37.0%	+92.5%	+104.0%
20-Day SMA	Oct 29, 26	$71.43	+0.5%	-4.3%	+1.3%	+0.3%	+34.0%	+89.6%	+99.3%

1-Year Volatility History

Date	Value	Change
Oct 30, 2026	41.98%	-13.8%
Dec 31, 2025	48.72%	+96.9%
Dec 31, 2024	24.74%	-11.5%
Dec 31, 2023	27.94%	-22.0%
Dec 31, 2022	35.81%	+13.2%
Dec 31, 2021	31.63%	-49.9%
Dec 31, 2020	63.16%	+109.6%
Dec 31, 2019	30.13%	-8.4%
Dec 31, 2018	32.88%	+22.4%
Dec 31, 2017	26.87%	-14.2%
Dec 31, 2016	31.33%	+12.9%
Dec 31, 2015	27.76%	+3.9%
Dec 31, 2014	26.71%	+16.2%
Dec 31, 2013	22.99%	+1.1%
Dec 31, 2012	22.74%	-46.0%
Dec 31, 2011	42.14%	+17.4%
Dec 31, 2010	35.90%	-32.7%
Dec 31, 2009	53.36%	-36.6%
Dec 31, 2008	84.19%	+138.2%
Dec 31, 2007	35.34%	+41.1%
Dec 31, 2006	25.04%	+3.1%
Dec 31, 2005	24.29%	-17.1%
Dec 31, 2004	29.31%	-32.2%
Dec 31, 2003	43.21%	-44.0%

Date	Value	Change
Dec 31, 2002	77.10%	+66.5%
Dec 31, 2001	46.30%	+9.0%
Dec 31, 2000	42.46%	+36.7%
Dec 31, 1999	31.06%	+3.0%
Dec 31, 1998	30.16%	-2.2%
Dec 31, 1997	30.84%	-21.9%
Dec 31, 1996	39.47%	+26.1%
Dec 31, 1995	31.31%	-14.0%
Dec 31, 1994	36.40%	+20.1%
Dec 31, 1993	30.30%	-8.5%
Dec 31, 1992	33.11%	-11.3%
Dec 31, 1991	37.32%	+12.1%
Dec 31, 1990	33.28%	+11.5%
Dec 31, 1989	29.85%	-3.7%
Dec 31, 1988	31.00%	-3.3%
Dec 31, 1987	32.06%	+8.4%
Dec 31, 1986	29.57%	+8.6%
Dec 31, 1985	27.22%	+14.5%
Dec 31, 1984	23.77%	-17.1%
Dec 31, 1983	28.66%	+4.0%
Dec 31, 1982	27.56%	+2.2%
Dec 31, 1981	26.97%	-26.0%
Dec 31, 1980	36.44%	-

FAQ

What is the current 1-year volatility of FLS?: As of today, FLS 1-year volatility is 41.98%
What 1-year volatility category does FLS fall into?: Based on its current 1-year historical volatility, FLS falls into the high volatility category
What is FLS 1-year volatility 1-year high?: FLS 1-year volatility reached a 1-year high of 50.81% on October 23, 2026
What is FLS 1-year volatility 1-year low?: FLS 1-year volatility reached a 1-year low of 41.96% on October 29, 2026

Data Sources & References

FLS Official Website www.flowserve.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/30625/000119312526039379/0001193125-26-039379-index.htm
FLS Profile on Yahoo Finance finance.yahoo.com/quote/FLS
FLS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/fls