NSSC vs. ESE
NSSC (Napco Security Technologies, Inc.) and ESE (ESCO Technologies Inc.) are both stocks. NSSC operates in Security & Protection Services (Industrials), while ESE operates in Scientific & Technical Instruments (Technology). Over the past 10 years, NSSC returned 28.50%/yr vs 24.79%/yr for ESE. At a 0.14 correlation, their price movements are largely independent.
Performance
NSSC vs. ESE - Performance Comparison
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Returns By Period
In the year-to-date period, NSSC achieves a -9.89% return, which is significantly lower than ESE's 74.07% return. Over the past 10 years, NSSC has outperformed ESE with an annualized return of 28.50%, while ESE has yielded a comparatively lower 24.79% annualized return.
NSSC
- 1D
- -0.35%
- 1M
- -0.23%
- YTD
- -9.89%
- 6M
- -12.12%
- 1Y
- 27.66%
- 3Y*
- 3.31%
- 5Y*
- 15.59%
- 10Y*
- 28.50%
ESE
- 1D
- -4.23%
- 1M
- 16.44%
- YTD
- 74.07%
- 6M
- 69.63%
- 1Y
- 75.00%
- 3Y*
- 49.42%
- 5Y*
- 29.66%
- 10Y*
- 24.79%
NSSC vs. ESE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NSSC Napco Security Technologies, Inc. | -9.89% | 19.22% | 4.97% | 25.59% | 9.96% | 90.62% | -10.79% | 86.60% | 80.00% | 2.94% |
ESE ESCO Technologies Inc. | 74.07% | 46.96% | 14.15% | 34.13% | -2.30% | -12.59% | 12.01% | 41.00% | 10.04% | 6.79% |
Correlation
The correlation between NSSC and ESE is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.29 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.37 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.36 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 1990 | 0.14 |
The correlation between NSSC and ESE shifts across timeframes, from 0.14 (all time) to 0.37 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
NSSC:
$1.33B
ESE:
$8.81B
NSSC:
$1.03
ESE:
$11.89
NSSC:
36.35
ESE:
28.58
NSSC:
1.31
ESE:
0.47
NSSC:
6.80
ESE:
7.06
NSSC:
7.49
ESE:
5.49
NSSC:
$197.23M
ESE:
$1.25B
NSSC:
$112.37M
ESE:
$271.43M
NSSC:
$42.52M
ESE:
$238.72M
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Return for Risk
NSSC vs. ESE — Risk / Return Rank
NSSC
ESE
NSSC vs. ESE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Napco Security Technologies, Inc. (NSSC) and ESCO Technologies Inc. (ESE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| NSSC | ESE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.76 | ||
| Sortino ratioReturn per unit of downside risk | -1.87 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.38 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | 1.05 | 5.02 | -3.97 |
| Martin ratioReturn relative to average drawdown | 2.62 | 13.11 | -10.49 |
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Drawdowns
NSSC vs. ESE - Drawdown Comparison
The maximum NSSC drawdown since its inception was -93.20%, which is greater than ESE's maximum drawdown of -58.54%. Use the drawdown chart below to compare losses from any high point for NSSC and ESE.
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Drawdown Indicators
| NSSC | ESE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.20% | -58.54% | -34.66% |
Max Drawdown (1Y)Largest decline over 1 year | -25.72% | -15.22% | -10.50% |
Max Drawdown (3Y)Largest decline over 3 years | -65.43% | -17.52% | -47.91% |
Max Drawdown (5Y)Largest decline over 5 years | -65.43% | -36.88% | -28.55% |
Max Drawdown (10Y)Largest decline over 10 years | -65.43% | -45.97% | -19.46% |
Current DrawdownCurrent decline from peak | -33.69% | -4.23% | -29.46% |
Average DrawdownAverage peak-to-trough decline | -38.19% | -20.23% | -17.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.27% | 5.81% | +4.46% |
Volatility
NSSC vs. ESE - Volatility Comparison
Napco Security Technologies, Inc. (NSSC) and ESCO Technologies Inc. (ESE) have volatilities of 10.51% and 10.93%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NSSC | ESE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.51% | 10.93% | -0.42% |
Volatility (6M)Calculated over the trailing 6-month period | 32.40% | 26.13% | +6.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 41.98% | 31.76% | +10.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 51.02% | 30.57% | +20.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.59% | 30.60% | +18.99% |
Dividends
NSSC vs. ESE - Dividend Comparison
NSSC's dividend yield for the trailing twelve months is around 1.56%, more than ESE's 0.09% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ESE ESCO Technologies Inc. | 0.09% | 0.16% | 0.24% | 0.27% | 0.37% | 0.27% | 0.31% | 0.43% | 0.49% | 0.40% | 0.56% | 0.89% |
NSSC Napco Security Technologies, Inc. | 1.56% | 1.31% | 1.27% | 0.65% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
NSSC vs. ESE - Financials Comparison
This section allows you to compare key financial metrics between Napco Security Technologies, Inc. and ESCO Technologies Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
NSSC vs. ESE - Profitability Comparison
NSSC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Napco Security Technologies, Inc. reported a gross profit of 29.49M and revenue of 49.17M. Therefore, the gross margin over that period was 60.0%.
ESE - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, ESCO Technologies Inc. reported a gross profit of -119.92M and revenue of 309.34M. Therefore, the gross margin over that period was -38.8%.
NSSC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Napco Security Technologies, Inc. reported an operating income of -1.19M and revenue of 49.17M, resulting in an operating margin of -2.4%.
ESE - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, ESCO Technologies Inc. reported an operating income of 23.86M and revenue of 309.34M, resulting in an operating margin of 7.7%.
NSSC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Napco Security Technologies, Inc. reported a net income of -408.00K and revenue of 49.17M, resulting in a net margin of -0.8%.
ESE - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, ESCO Technologies Inc. reported a net income of 34.73M and revenue of 309.34M, resulting in a net margin of 11.2%.
Frequently Asked Questions
NSSC and ESE have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ESE has higher volatility (10.93%) compared to NSSC (10.51%). In terms of maximum drawdown, NSSC dropped -93.20% vs ESE's -58.54%.
ESE currently has the higher Sharpe Ratio (2.41 vs 0.64), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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