NSSC vs. ESPR
NSSC (Napco Security Technologies, Inc.) and ESPR (Esperion Therapeutics, Inc.) are both stocks. NSSC operates in Security & Protection Services (Industrials), while ESPR operates in Biotechnology (Healthcare). Over the past 10 years, NSSC returned 28.00%/yr vs -14.95%/yr for ESPR. At a 0.14 correlation, their price movements are largely independent.
Performance
NSSC vs. ESPR - Performance Comparison
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Returns By Period
In the year-to-date period, NSSC achieves a -10.06% return, which is significantly higher than ESPR's -14.86% return. Over the past 10 years, NSSC has outperformed ESPR with an annualized return of 28.00%, while ESPR has yielded a comparatively lower -14.95% annualized return.
NSSC
- 1D
- 2.59%
- 1M
- -1.36%
- YTD
- -10.06%
- 6M
- -10.89%
- 1Y
- 33.60%
- 3Y*
- -1.04%
- 5Y*
- 17.77%
- 10Y*
- 28.00%
ESPR
- 1D
- 0.00%
- 1M
- 0.96%
- YTD
- -14.86%
- 6M
- -18.18%
- 1Y
- 162.50%
- 3Y*
- 35.36%
- 5Y*
- -34.62%
- 10Y*
- -14.95%
NSSC vs. ESPR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NSSC Napco Security Technologies, Inc. | -10.06% | 19.22% | 4.97% | 25.59% | 9.96% | 90.62% | -10.79% | 86.60% | 80.00% | 2.94% |
ESPR Esperion Therapeutics, Inc. | -14.86% | 68.18% | -26.42% | -52.01% | 24.60% | -80.77% | -56.40% | 29.63% | -30.13% | 425.88% |
Correlation
The correlation between NSSC and ESPR is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.15 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2013 | 0.14 |
Fundamentals
NSSC:
$1.33B
ESPR:
$791.76M
NSSC:
$1.03
ESPR:
-$0.03
NSSC:
6.79
ESPR:
1.75
NSSC:
$197.23M
ESPR:
$418.24M
NSSC:
$112.37M
ESPR:
$226.32M
NSSC:
$42.52M
ESPR:
$77.18M
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Return for Risk
NSSC vs. ESPR — Risk / Return Rank
NSSC
ESPR
NSSC vs. ESPR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Napco Security Technologies, Inc. (NSSC) and Esperion Therapeutics, Inc. (ESPR). 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 | ESPR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.97 | ||
| Sortino ratioReturn per unit of downside risk | -1.53 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.36 | -0.18 |
| Calmar ratioReturn relative to maximum drawdown | 1.31 | 3.07 | -1.76 |
| Martin ratioReturn relative to average drawdown | 3.54 | 7.68 | -4.14 |
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Drawdowns
NSSC vs. ESPR - Drawdown Comparison
The maximum NSSC drawdown since its inception was -93.20%, smaller than the maximum ESPR drawdown of -99.37%. Use the drawdown chart below to compare losses from any high point for NSSC and ESPR.
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Drawdown Indicators
| NSSC | ESPR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.20% | -99.37% | +6.17% |
Max Drawdown (1Y)Largest decline over 1 year | -25.72% | -53.19% | +27.47% |
Max Drawdown (3Y)Largest decline over 3 years | -65.43% | -80.94% | +15.51% |
Max Drawdown (5Y)Largest decline over 5 years | -65.43% | -97.16% | +31.73% |
Max Drawdown (10Y)Largest decline over 10 years | -65.43% | -99.10% | +33.67% |
Current DrawdownCurrent decline from peak | -33.82% | -97.27% | +63.45% |
Average DrawdownAverage peak-to-trough decline | -38.20% | -69.99% | +31.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.52% | 21.30% | -11.78% |
Volatility
NSSC vs. ESPR - Volatility Comparison
Napco Security Technologies, Inc. (NSSC) has a higher volatility of 10.62% compared to Esperion Therapeutics, Inc. (ESPR) at 1.06%. This indicates that NSSC's price experiences larger fluctuations and is considered to be riskier than ESPR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NSSC | ESPR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.62% | 1.06% | +9.56% |
Volatility (6M)Calculated over the trailing 6-month period | 32.37% | 61.44% | -29.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.31% | 92.66% | -50.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 50.99% | 91.79% | -40.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.57% | 84.61% | -35.04% |
Dividends
NSSC vs. ESPR - Dividend Comparison
NSSC's dividend yield for the trailing twelve months is around 1.56%, while ESPR has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
ESPR Esperion Therapeutics, Inc. | 0.00% | 0.00% | 0.00% | 0.00% |
NSSC Napco Security Technologies, Inc. | 1.56% | 1.31% | 1.27% | 0.65% |
Financials
NSSC vs. ESPR - Financials Comparison
This section allows you to compare key financial metrics between Napco Security Technologies, Inc. and Esperion Therapeutics, 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. ESPR - 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%.
ESPR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Esperion Therapeutics, Inc. reported a gross profit of 0.00 and revenue of 80.10M. Therefore, the gross margin over that period was 0.0%.
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%.
ESPR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Esperion Therapeutics, Inc. reported an operating income of -6.58M and revenue of 80.10M, resulting in an operating margin of -8.2%.
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%.
ESPR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Esperion Therapeutics, Inc. reported a net income of -25.20M and revenue of 80.10M, resulting in a net margin of -31.5%.
Frequently Asked Questions
NSSC and ESPR have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NSSC has higher volatility (10.62%) compared to ESPR (1.06%). In terms of maximum drawdown, NSSC dropped -93.20% vs ESPR's -99.37%.
ESPR currently has the higher Sharpe Ratio (1.76 vs 0.80), 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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