Napco Security Technologies, Inc. (NSSC) Stock Price History
Historical prices from 1981 to 2026
- 1M
- +3.6%
- 3M
- -12.1%
- YTD
- -9.6%
- 1Y
- +31.7%
- 3Y
- +0.4%
- 5Y
- +16.1%
Loading 10-year price history...
NSSC Historical Performance
NSSC Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +58.1%
- 2003 annual price return
- -11.3%
- 2004 annual price return
- +266.6%
- 2005 annual price return
- +21.5%
- 2006 annual price return
- -12.0%
- 2007 annual price return
- +8.7%
- 2008 annual price return
- -79.7%
- 2009 annual price return
- +35.8%
- 2010 annual price return
- -8.3%
- 2011 annual price return
- +38.9%
- 2012 annual price return
- +45.6%
- 2013 annual price return
- +72.5%
- 2014 annual price return
- -23.7%
- 2015 annual price return
- +25.5%
- 2016 annual price return
- +44.1%
- 2017 annual price return
- +3.8%
- 2018 annual price return
- +82.0%
- 2019 annual price return
- +89.4%
- 2020 annual price return
- -14.3%
- 2021 annual price return
- +90.9%
- 2022 annual price return
- +12.4%
- 2023 annual price return
- +26.4%
- 2024 annual price return
- +5.5%
- 2025 annual price return
- +19.2%
- 2026 annual price return
- +12.6%
NSSC Stock Price Trajectory (1981–2026)
As of June 21, 2026, Napco Security Technologies, Inc. (NSSC) trades at $37.39, representing a +31.7% return over the past year. The stock has delivered a +119.1% total return over five years (+16.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $58.09 on August 19, 2024. From this peak, NSSC has corrected -35.6%, currently trading 10% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers ALRM (-21.2% 1Y), REZI (+52.2% 1Y), and DGLY (-48.8% 1Y), NSSC has underperformed the peer group average. Compare NSSC vs ALRM →
NSSC Historical Price Data · from 1981
Rows 1–50 of 11,210| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 36.85 | 37.97 | 36.55 | 37.39 | 1.45M | +3.69% |
| 2026-06-17 | 37.52 | 37.99 | 36.03 | 36.06 | 379K | -3.81% |
| 2026-06-16 | 37.82 | 38.42 | 37.26 | 37.49 | 479K | -0.21% |
| 2026-06-15 | 37.88 | 38.23 | 37.45 | 37.57 | 524K | +0.94% |
| 2026-06-12 | 36.43 | 37.62 | 36.08 | 37.22 | 385K | +2.17% |
| 2026-06-11 | 35.69 | 36.56 | 35.16 | 36.43 | 360K | +3.41% |
| 2026-06-10 | 34.85 | 35.60 | 34.73 | 35.23 | 305K | +0.26% |
| 2026-06-09 | 35.08 | 36.02 | 34.31 | 35.14 | 285K | +0.37% |
| 2026-06-08 | 35.94 | 35.94 | 34.72 | 35.01 | 371K | +0.14% |
| 2026-06-05 | 35.55 | 35.70 | 34.90 | 34.96 | 253K | -2.26% |
| 2026-06-04 | 36.11 | 36.42 | 35.72 | 35.77 | 220K | -0.61% |
| 2026-06-03 | 36.01 | 36.30 | 35.80 | 35.99 | 368K | -0.58% |
| 2026-06-02 | 35.60 | 36.41 | 35.27 | 36.20 | 331K | +2.64% |
| 2026-06-01 | 37.46 | 37.46 | 34.76 | 35.27 | 564K | -6.02% |
| 2026-05-29 | 36.84 | 37.55 | 36.57 | 37.53 | 657K | +2.07% |
| 2026-05-28 | 36.04 | 36.88 | 35.25 | 36.77 | 324K | +1.69% |
| 2026-05-27 | 37.32 | 37.32 | 36.06 | 36.16 | 341K | -2.51% |
| 2026-05-26 | 37.52 | 38.07 | 37.00 | 37.09 | 371K | -0.86% |
| 2026-05-22 | 36.96 | 37.51 | 36.96 | 37.41 | 192K | +1.96% |
| 2026-05-21 | 36.58 | 37.29 | 36.12 | 36.69 | 526K | -0.08% |
| 2026-05-20 | 36.09 | 37.05 | 35.66 | 36.72 | 562K | +2.51% |
| 2026-05-19 | 36.05 | 36.28 | 35.22 | 35.82 | 269K | -0.72% |
| 2026-05-18 | 36.92 | 36.92 | 35.73 | 36.08 | 454K | -0.39% |
| 2026-05-15 | 37.00 | 37.42 | 35.91 | 36.22 | 400K | -3.46% |
| 2026-05-14 | 38.39 | 38.60 | 37.47 | 37.52 | 301K | -0.98% |
| 2026-05-13 | 38.34 | 38.82 | 37.25 | 37.89 | 498K | -1.04% |
| 2026-05-12 | 39.93 | 39.93 | 38.17 | 38.29 | 327K | -4.77% |
| 2026-05-11 | 40.62 | 41.12 | 39.97 | 40.21 | 347K | -1.49% |
| 2026-05-08 | 42.06 | 42.06 | 40.52 | 40.82 | 306K | -1.83% |
| 2026-05-07 | 41.60 | 42.61 | 41.05 | 41.58 | 550K | +0.82% |
| 2026-05-06 | 42.32 | 42.59 | 40.81 | 41.24 | 276K | -1.39% |
| 2026-05-05 | 39.59 | 42.20 | 39.59 | 41.82 | 678K | +5.58% |
| 2026-05-04 | 46.00 | 46.52 | 39.17 | 39.61 | 837K | -15.22% |
| 2026-05-01 | 46.85 | 47.20 | 46.10 | 46.72 | 282K | -0.06% |
| 2026-04-30 | 45.45 | 46.76 | 45.05 | 46.75 | 222K | +3.47% |
| 2026-04-29 | 45.62 | 45.67 | 44.78 | 45.18 | 248K | -1.03% |
| 2026-04-28 | 45.93 | 46.16 | 44.81 | 45.65 | 265K | -0.95% |
| 2026-04-27 | 45.82 | 46.34 | 45.43 | 46.09 | 270K | +0.39% |
| 2026-04-24 | 45.12 | 45.96 | 44.89 | 45.91 | 193K | +2.30% |
| 2026-04-23 | 45.37 | 45.81 | 44.59 | 44.88 | 258K | -0.91% |
| 2026-04-22 | 45.80 | 46.09 | 44.88 | 45.29 | 196K | -0.83% |
| 2026-04-21 | 45.89 | 46.44 | 45.48 | 45.67 | 283K | -0.52% |
| 2026-04-20 | 45.36 | 46.27 | 45.36 | 45.91 | 255K | +1.17% |
| 2026-04-17 | 45.30 | 46.03 | 44.75 | 45.38 | 285K | +1.54% |
| 2026-04-16 | 44.21 | 44.74 | 43.83 | 44.69 | 212K | +1.09% |
| 2026-04-15 | 43.90 | 44.31 | 43.35 | 44.21 | 211K | +0.09% |
| 2026-04-14 | 44.38 | 45.09 | 43.49 | 44.17 | 315K | +0.39% |
| 2026-04-13 | 42.35 | 44.03 | 42.35 | 44.00 | 317K | +2.92% |
| 2026-04-10 | 42.24 | 42.86 | 41.81 | 42.75 | 302K | +1.59% |
| 2026-04-09 | 42.44 | 42.68 | 41.96 | 42.08 | 323K | -1.20% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
NSSC — Frequently Asked Questions
Quick answers to the most common questions about buying NSSC stock.
How has NSSC stock performed recently?
NSSC returned +31.7% over the past year, beating its 5-year annualized CAGR of +16.1%. The stock trades below its 200-day moving average, confirming the uptrend.
What is NSSC's all-time high price?
Napco Security Technologies, Inc. reached $58.09 on 2024-08-19. The 52-week high is $48.12. Current 1-year return of +31.7% places the stock closer to historical peaks.
Where can I download NSSC historical price data?
This page provides NSSC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1981-2026, downloadable in CSV format.