What is the current 10-day volatility of NSSC?

As of today, NSSC 10-day volatility is 27.34%

What 10-day volatility category does NSSC fall into?

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

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

NSSC 10-day volatility reached a 1-year high of 140.61% on February 3, 2025

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

NSSC 10-day volatility reached a 1-year low of 9.54% on October 30, 2025

What is the current 1-month volatility of NSSC?

As of today, NSSC 1-month volatility is 26.51%

What 1-month volatility category does NSSC fall into?

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

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

NSSC 1-month volatility reached a 1-year high of 103.61% on February 17, 2025

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

NSSC 1-month volatility reached a 1-year low of 13.87% on June 12, 2025

What is the current 3-month volatility of NSSC?

As of today, NSSC 3-month volatility is 37.99%

What 3-month volatility category does NSSC fall into?

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

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

NSSC 3-month volatility reached a 1-year high of 67.66% on April 14, 2025

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

NSSC 3-month volatility reached a 1-year low of 26.61% on August 8, 2025

What is the current 1-year volatility of NSSC?

As of today, NSSC 1-year volatility is 45.75%

What 1-year volatility category does NSSC fall into?

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

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

NSSC 1-year volatility reached a 1-year high of 55.91% on February 3, 2025

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

NSSC 1-year volatility reached a 1-year low of 44.90% on November 4, 2025

NSSC Stock Volatility History & Chart Since 1981

10-Day

27.34%

January 9, 2026

Summary

Current Value: As of today, NSSC 10-day volatility is 27.34%, down -0.58% on January 9, 2026
Value Category: Based on its current 10-day historical volatility, NSSC falls into the moderate volatility category
1-Year High: NSSC 10-day volatility reached a 1-year high of 140.61% on February 3, 2025
1-Year Low: NSSC 10-day volatility reached a 1-year low of 9.54% on October 30, 2025

10-Day Volatility Chart

Performance

NSSC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 9, 26	27.34%	-0.6%	-49.0%	+22.2%	+20.6%	+2.6%	-30.9%	+23.6%
1-Month Volatility	Jan 9, 26	26.51%	-4.4%	-39.2%	+0.6%	-16.1%	+6.1%	-23.2%	-52.9%
3-Month Volatility	Jan 9, 26	37.99%	-0.6%	+0.7%	-3.0%	+0.9%	+1.9%	-23.6%	-10.8%
1-Year Volatility	Jan 9, 26	45.75%	-0.4%	-0.2%	-0.0%	-0.4%	-6.0%	+4.7%	-28.6%
14-Day RSI	Jan 9, 26	51.90	-1.1%	-0.8%	-14.0%	+6.0%	+31.5%	-5.9%	-7.6%
Beta	Jan 9, 26	1.11	0.0%	0.0%	-2.6%	0.0%	-31.9%	+18.1%	+26.1%
ATR	Jan 9, 26	$1.27	-3.1%	-18.9%	+9.5%	-1.4%	+4.4%	+35.9%	+150.7%
Price	Jan 9, 26	$42.15	-0.2%	+1.7%	-1.7%	+1.1%	+20.0%	+53.8%	+201.8%
200-Day SMA	Jan 9, 26	$34.26	+0.3%	+5.7%	+12.9%	+1.6%	-22.3%	+41.7%	+186.3%
50-Day SMA	Jan 9, 26	$41.54	-0.1%	-1.1%	+10.3%	-0.6%	+10.7%	+55.5%	+198.8%

10-Day Volatility History

Date	Value	Change
Jan 9, 2026	27.34%	+20.6%
Dec 31, 2025	22.67%	+17.6%
Dec 31, 2024	19.27%	-19.1%
Dec 31, 2023	23.83%	-32.8%
Dec 31, 2022	35.48%	+7.5%
Dec 31, 2021	32.99%	+36.1%
Dec 31, 2020	24.24%	-26.0%
Dec 31, 2019	32.77%	-51.2%
Dec 31, 2018	67.20%	+46.2%
Dec 31, 2017	45.95%	+354.1%
Dec 31, 2016	10.12%	-72.1%
Dec 31, 2015	36.31%	+14.4%
Dec 31, 2014	31.75%	+96.0%
Dec 31, 2013	16.20%	-25.8%
Dec 31, 2012	21.84%	-78.5%
Dec 31, 2011	101.61%	-9.5%
Dec 31, 2010	112.23%	-29.7%
Dec 31, 2009	159.70%	+112.6%
Dec 31, 2008	75.12%	+74.0%
Dec 31, 2007	43.18%	+20.5%
Dec 31, 2006	35.84%	-30.6%
Dec 31, 2005	51.65%	-38.3%
Dec 31, 2004	83.76%	-6.9%

Date	Value	Change
Dec 31, 2003	89.95%	+120.6%
Dec 31, 2002	40.78%	+14.1%
Dec 31, 2001	35.74%	-54.0%
Dec 31, 2000	77.62%	+23.2%
Dec 31, 1999	62.98%	+27.4%
Dec 31, 1998	49.44%	+181.7%
Dec 31, 1997	17.55%	-52.7%
Dec 31, 1996	37.14%	-36.2%
Dec 31, 1995	58.19%	-27.8%
Dec 31, 1994	80.65%	+314.7%
Dec 31, 1993	19.45%	-79.8%
Dec 31, 1992	96.30%	-58.4%
Dec 31, 1991	231.35%	+48.2%
Dec 31, 1990	156.10%	+59.1%
Dec 31, 1989	98.11%	+314.1%
Dec 31, 1988	23.69%	-68.3%
Dec 31, 1987	74.74%	+141.8%
Dec 31, 1986	30.91%	-50.5%
Dec 31, 1985	62.46%	+34.1%
Dec 31, 1984	46.57%	-46.8%
Dec 31, 1983	87.49%	+50.4%
Dec 31, 1982	58.18%	+8.2%
Dec 31, 1981	53.77%	-

FAQ

What is the current 10-day volatility of NSSC?
As of today, NSSC 10-day volatility is 27.34%
What 10-day volatility category does NSSC fall into?
Based on its current 10-day historical volatility, NSSC falls into the moderate volatility category
What is NSSC 10-day volatility 1-year high?
NSSC 10-day volatility reached a 1-year high of 140.61% on February 3, 2025
What is NSSC 10-day volatility 1-year low?
NSSC 10-day volatility reached a 1-year low of 9.54% on October 30, 2025

1-Month

26.51%

January 9, 2026

Summary

Current Value: As of today, NSSC 1-month volatility is 26.51%, down -4.37% on January 9, 2026
Value Category: Based on its current 1-month historical volatility, NSSC falls into the moderate volatility category
1-Year High: NSSC 1-month volatility reached a 1-year high of 103.61% on February 17, 2025
1-Year Low: NSSC 1-month volatility reached a 1-year low of 13.87% on June 12, 2025

Performance

NSSC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 9, 26	26.51%	-4.4%	-39.2%	+0.6%	-16.1%	+6.1%	-23.2%	-52.9%
10-Day Volatility	Jan 9, 26	27.34%	-0.6%	-49.0%	+22.2%	+20.6%	+2.6%	-30.9%	+23.6%
3-Month Volatility	Jan 9, 26	37.99%	-0.6%	+0.7%	-3.0%	+0.9%	+1.9%	-23.6%	-10.8%
1-Year Volatility	Jan 9, 26	45.75%	-0.4%	-0.2%	-0.0%	-0.4%	-6.0%	+4.7%	-28.6%
14-Day RSI	Jan 9, 26	51.90	-1.1%	-0.8%	-14.0%	+6.0%	+31.5%	-5.9%	-7.6%
Beta	Jan 9, 26	1.11	0.0%	0.0%	-2.6%	0.0%	-31.9%	+18.1%	+26.1%
ATR	Jan 9, 26	$1.27	-3.1%	-18.9%	+9.5%	-1.4%	+4.4%	+35.9%	+150.7%
Price	Jan 9, 26	$42.15	-0.2%	+1.7%	-1.7%	+1.1%	+20.0%	+53.8%	+201.8%
200-Day SMA	Jan 9, 26	$34.26	+0.3%	+5.7%	+12.9%	+1.6%	-22.3%	+41.7%	+186.3%
50-Day SMA	Jan 9, 26	$41.54	-0.1%	-1.1%	+10.3%	-0.6%	+10.7%	+55.5%	+198.8%

1-Month Volatility History

Date	Value	Change
Jan 9, 2026	27.11%	-29.9%
Dec 31, 2025	38.66%	+54.6%
Dec 31, 2024	25.00%	+6.2%
Dec 31, 2023	23.54%	-23.2%
Dec 31, 2022	30.65%	-1.0%
Dec 31, 2021	30.96%	-41.9%
Dec 31, 2020	53.32%	+65.5%
Dec 31, 2019	32.21%	-37.1%
Dec 31, 2018	51.21%	+27.4%
Dec 31, 2017	40.19%	+28.4%
Dec 31, 2016	31.29%	-14.3%
Dec 31, 2015	36.49%	+37.4%
Dec 31, 2014	26.55%	+61.3%
Dec 31, 2013	16.46%	-22.0%
Dec 31, 2012	21.10%	-73.2%
Dec 31, 2011	78.68%	-0.4%
Dec 31, 2010	78.98%	-34.4%
Dec 31, 2009	120.47%	+69.1%
Dec 31, 2008	71.24%	+84.7%
Dec 31, 2007	38.58%	+23.5%
Dec 31, 2006	31.23%	-29.6%
Dec 31, 2005	44.35%	-31.3%
Dec 31, 2004	64.55%	+5.2%

Date	Value	Change
Dec 31, 2003	61.37%	+87.5%
Dec 31, 2002	32.73%	-28.7%
Dec 31, 2001	45.92%	-34.9%
Dec 31, 2000	70.49%	+23.3%
Dec 31, 1999	57.16%	+6.5%
Dec 31, 1998	53.69%	+205.2%
Dec 31, 1997	17.59%	-55.5%
Dec 31, 1996	39.50%	-38.0%
Dec 31, 1995	63.73%	-13.1%
Dec 31, 1994	73.30%	+15.3%
Dec 31, 1993	63.56%	-39.1%
Dec 31, 1992	104.45%	-42.2%
Dec 31, 1991	180.68%	+52.7%
Dec 31, 1990	118.32%	+9.6%
Dec 31, 1989	107.92%	+222.5%
Dec 31, 1988	33.46%	-55.6%
Dec 31, 1987	75.35%	+193.0%
Dec 31, 1986	25.72%	-49.7%
Dec 31, 1985	51.11%	+27.5%
Dec 31, 1984	40.10%	-39.0%
Dec 31, 1983	65.71%	-14.7%
Dec 31, 1982	77.03%	+43.3%
Dec 31, 1981	53.77%	-

FAQ

What is the current 1-month volatility of NSSC?
As of today, NSSC 1-month volatility is 26.51%
What 1-month volatility category does NSSC fall into?
Based on its current 1-month historical volatility, NSSC falls into the moderate volatility category
What is NSSC 1-month volatility 1-year high?
NSSC 1-month volatility reached a 1-year high of 103.61% on February 17, 2025
What is NSSC 1-month volatility 1-year low?
NSSC 1-month volatility reached a 1-year low of 13.87% on June 12, 2025

3-Month

37.99%

January 9, 2026

Summary

Current Value: As of today, NSSC 3-month volatility is 37.99%, down -0.63% on January 9, 2026
Value Category: Based on its current 3-month historical volatility, NSSC falls into the moderate volatility category
1-Year High: NSSC 3-month volatility reached a 1-year high of 67.66% on April 14, 2025
1-Year Low: NSSC 3-month volatility reached a 1-year low of 26.61% on August 8, 2025

Performance

NSSC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 9, 26	37.99%	-0.6%	+0.7%	-3.0%	+0.9%	+1.9%	-23.6%	-10.8%
10-Day Volatility	Jan 9, 26	27.34%	-0.6%	-49.0%	+22.2%	+20.6%	+2.6%	-30.9%	+23.6%
1-Month Volatility	Jan 9, 26	26.51%	-4.4%	-39.2%	+0.6%	-16.1%	+6.1%	-23.2%	-52.9%
1-Year Volatility	Jan 9, 26	45.75%	-0.4%	-0.2%	-0.0%	-0.4%	-6.0%	+4.7%	-28.6%
14-Day RSI	Jan 9, 26	51.90	-1.1%	-0.8%	-14.0%	+6.0%	+31.5%	-5.9%	-7.6%
Beta	Jan 9, 26	1.11	0.0%	0.0%	-2.6%	0.0%	-31.9%	+18.1%	+26.1%
ATR	Jan 9, 26	$1.27	-3.1%	-18.9%	+9.5%	-1.4%	+4.4%	+35.9%	+150.7%
Price	Jan 9, 26	$42.15	-0.2%	+1.7%	-1.7%	+1.1%	+20.0%	+53.8%	+201.8%
200-Day SMA	Jan 9, 26	$34.26	+0.3%	+5.7%	+12.9%	+1.6%	-22.3%	+41.7%	+186.3%
50-Day SMA	Jan 9, 26	$41.54	-0.1%	-1.1%	+10.3%	-0.6%	+10.7%	+55.5%	+198.8%

3-Month Volatility History

Date	Value	Change
Jan 9, 2026	37.95%	+1.6%
Dec 31, 2025	37.37%	+1.4%
Dec 31, 2024	36.87%	-32.0%
Dec 31, 2023	54.24%	+9.5%
Dec 31, 2022	49.52%	+48.8%
Dec 31, 2021	33.27%	-20.9%
Dec 31, 2020	42.05%	+24.9%
Dec 31, 2019	33.67%	-21.4%
Dec 31, 2018	42.85%	+35.2%
Dec 31, 2017	31.70%	+16.4%
Dec 31, 2016	27.23%	-50.0%
Dec 31, 2015	54.44%	+32.9%
Dec 31, 2014	40.96%	+101.8%
Dec 31, 2013	20.30%	-27.3%
Dec 31, 2012	27.94%	-61.1%
Dec 31, 2011	71.88%	+28.3%
Dec 31, 2010	56.02%	-39.7%
Dec 31, 2009	92.92%	-0.7%
Dec 31, 2008	93.54%	+164.9%
Dec 31, 2007	35.31%	-25.4%
Dec 31, 2006	47.32%	+13.3%
Dec 31, 2005	41.75%	-27.5%
Dec 31, 2004	57.62%	+38.6%

Date	Value	Change
Dec 31, 2003	41.57%	+63.5%
Dec 31, 2002	25.42%	-66.8%
Dec 31, 2001	76.54%	+2.7%
Dec 31, 2000	74.55%	+22.5%
Dec 31, 1999	60.85%	+18.8%
Dec 31, 1998	51.20%	-8.0%
Dec 31, 1997	55.67%	-0.9%
Dec 31, 1996	56.16%	-40.3%
Dec 31, 1995	94.06%	+15.0%
Dec 31, 1994	81.81%	+17.7%
Dec 31, 1993	69.51%	-38.2%
Dec 31, 1992	112.55%	-6.1%
Dec 31, 1991	119.82%	+2.7%
Dec 31, 1990	116.68%	+23.7%
Dec 31, 1989	94.32%	+210.3%
Dec 31, 1988	30.40%	-70.7%
Dec 31, 1987	103.87%	+190.5%
Dec 31, 1986	35.75%	-12.3%
Dec 31, 1985	40.78%	-41.1%
Dec 31, 1984	69.28%	+40.9%
Dec 31, 1983	49.16%	-32.0%
Dec 31, 1982	72.27%	+34.4%
Dec 31, 1981	53.77%	-

FAQ

What is the current 3-month volatility of NSSC?
As of today, NSSC 3-month volatility is 37.99%
What 3-month volatility category does NSSC fall into?
Based on its current 3-month historical volatility, NSSC falls into the moderate volatility category
What is NSSC 3-month volatility 1-year high?
NSSC 3-month volatility reached a 1-year high of 67.66% on April 14, 2025
What is NSSC 3-month volatility 1-year low?
NSSC 3-month volatility reached a 1-year low of 26.61% on August 8, 2025

1-Year

45.75%

January 9, 2026

Summary

Current Value: As of today, NSSC 1-year volatility is 45.75%, down -0.37% on January 9, 2026
Value Category: Based on its current 1-year historical volatility, NSSC falls into the high volatility category
1-Year High: NSSC 1-year volatility reached a 1-year high of 55.91% on February 3, 2025
1-Year Low: NSSC 1-year volatility reached a 1-year low of 44.90% on November 4, 2025

Performance

NSSC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 9, 26	45.75%	-0.4%	-0.2%	-0.0%	-0.4%	-6.0%	+4.7%	-28.6%
10-Day Volatility	Jan 9, 26	27.34%	-0.6%	-49.0%	+22.2%	+20.6%	+2.6%	-30.9%	+23.6%
1-Month Volatility	Jan 9, 26	26.51%	-4.4%	-39.2%	+0.6%	-16.1%	+6.1%	-23.2%	-52.9%
3-Month Volatility	Jan 9, 26	37.99%	-0.6%	+0.7%	-3.0%	+0.9%	+1.9%	-23.6%	-10.8%
1-Year Volatility	Jan 9, 26	45.75%	-0.4%	-0.2%	-0.0%	-0.4%	-6.0%	+4.7%	-28.6%
14-Day RSI	Jan 9, 26	51.90	-1.1%	-0.8%	-14.0%	+6.0%	+31.5%	-5.9%	-7.6%
Beta	Jan 9, 26	1.11	0.0%	0.0%	-2.6%	0.0%	-31.9%	+18.1%	+26.1%
ATR	Jan 9, 26	$1.27	-3.1%	-18.9%	+9.5%	-1.4%	+4.4%	+35.9%	+150.7%
Price	Jan 9, 26	$42.15	-0.2%	+1.7%	-1.7%	+1.1%	+20.0%	+53.8%	+201.8%
200-Day SMA	Jan 9, 26	$34.26	+0.3%	+5.7%	+12.9%	+1.6%	-22.3%	+41.7%	+186.3%
50-Day SMA	Jan 9, 26	$41.54	-0.1%	-1.1%	+10.3%	-0.6%	+10.7%	+55.5%	+198.8%

1-Year Volatility History

Date	Value	Change
Jan 9, 2026	45.83%	-0.2%
Dec 31, 2025	45.93%	-5.4%
Dec 31, 2024	48.54%	-30.4%
Dec 31, 2023	69.70%	+58.8%
Dec 31, 2022	43.90%	+9.4%
Dec 31, 2021	40.11%	-37.3%
Dec 31, 2020	63.94%	+17.0%
Dec 31, 2019	54.63%	+28.7%
Dec 31, 2018	42.45%	+8.0%
Dec 31, 2017	39.29%	+38.0%
Dec 31, 2016	28.47%	-28.1%
Dec 31, 2015	39.62%	-6.8%
Dec 31, 2014	42.50%	+78.3%
Dec 31, 2013	23.83%	-35.1%
Dec 31, 2012	36.69%	-33.5%
Dec 31, 2011	55.17%	-12.4%
Dec 31, 2010	62.98%	-34.2%
Dec 31, 2009	95.70%	+54.8%
Dec 31, 2008	61.82%	+50.3%
Dec 31, 2007	41.13%	-16.6%
Dec 31, 2006	49.32%	+30.5%
Dec 31, 2005	37.78%	-45.0%
Dec 31, 2004	68.66%	+106.8%

Date	Value	Change
Dec 31, 2003	33.20%	-10.9%
Dec 31, 2002	37.25%	-50.1%
Dec 31, 2001	74.64%	-1.9%
Dec 31, 2000	76.07%	+0.6%
Dec 31, 1999	75.62%	+45.5%
Dec 31, 1998	51.96%	-6.0%
Dec 31, 1997	55.28%	-2.4%
Dec 31, 1996	56.65%	-35.0%
Dec 31, 1995	87.13%	+0.1%
Dec 31, 1994	87.06%	+24.7%
Dec 31, 1993	69.82%	-32.0%
Dec 31, 1992	102.62%	+2.4%
Dec 31, 1991	100.24%	-6.7%
Dec 31, 1990	107.41%	+45.4%
Dec 31, 1989	73.88%	+88.2%
Dec 31, 1988	39.26%	-40.5%
Dec 31, 1987	65.94%	+63.7%
Dec 31, 1986	40.28%	-12.0%
Dec 31, 1985	45.78%	-10.9%
Dec 31, 1984	51.38%	-39.0%
Dec 31, 1983	84.21%	+0.3%
Dec 31, 1982	83.93%	+56.1%
Dec 31, 1981	53.77%	-

FAQ

What is the current 1-year volatility of NSSC?
As of today, NSSC 1-year volatility is 45.75%
What 1-year volatility category does NSSC fall into?
Based on its current 1-year historical volatility, NSSC falls into the high volatility category
What is NSSC 1-year volatility 1-year high?
NSSC 1-year volatility reached a 1-year high of 55.91% on February 3, 2025
What is NSSC 1-year volatility 1-year low?
NSSC 1-year volatility reached a 1-year low of 44.90% on November 4, 2025

Data Sources & References

NSSC Official Website www.napcosecurity.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/69633/000110465925105434/0001104659-25-105434-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/69633/000155837025011750/0001558370-25-011750-index.htm
NSSC Profile on Yahoo Finance finance.yahoo.com/quote/NSSC
NSSC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/nssc