Napco Security Technologies, Inc. (NSSC) Stock Price History
Historical prices from 1981 to 2026
- 1M
- -5.1%
- 3M
- -4.6%
- YTD
- -13.8%
- 1Y
- -17.8%
- 3Y
- +15.9%
- 5Y
- +10.1%
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
- -10.4%
NSSC Stock Price Trajectory (1981–2026)
As of September 25, 2026, Napco Security Technologies, Inc. (NSSC) trades at $35.68, representing a -17.8% return over the past year. The stock has delivered a +69.1% total return over five years (+10.1% 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 -38.6%, currently trading 10% below its 200-day moving average, suggesting potential weakness.
When compared to Industrials sector peers ALRM (+2.8% 1Y), REZI (-35.1% 1Y), and DGLY (-81.3% 1Y), NSSC has underperformed the peer group average. Compare NSSC vs ALRM →
NSSC Historical Price Data · from 1981
Rows 1–50 of 11,276| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-24 | 35.88 | 35.88 | 34.86 | 35.68 | 371K | -0.78% |
| 2026-09-23 | 35.74 | 36.21 | 35.39 | 35.96 | 252K | +0.22% |
| 2026-09-22 | 36.19 | 36.36 | 35.62 | 35.88 | 323K | +0.17% |
| 2026-09-21 | 35.76 | 36.19 | 35.60 | 35.82 | 255K | -0.86% |
| 2026-09-18 | 35.95 | 36.23 | 35.59 | 36.13 | 653K | +0.50% |
| 2026-09-17 | 36.95 | 36.95 | 35.33 | 35.95 | 425K | -1.05% |
| 2026-09-16 | 36.04 | 36.38 | 35.77 | 36.33 | 392K | +1.06% |
| 2026-09-15 | 35.81 | 36.14 | 35.40 | 35.95 | 288K | +0.25% |
| 2026-09-14 | 35.76 | 36.17 | 35.44 | 35.86 | 294K | -1.10% |
| 2026-09-11 | 35.51 | 36.32 | 35.51 | 36.26 | 216K | +2.11% |
| 2026-09-10 | 35.53 | 36.12 | 35.43 | 35.51 | 251K | -1.11% |
| 2026-09-09 | 36.80 | 36.90 | 35.72 | 35.91 | 335K | -3.17% |
| 2026-09-08 | 36.78 | 37.25 | 36.48 | 37.09 | 305K | +0.20% |
| 2026-09-04 | 36.94 | 37.48 | 36.19 | 37.01 | 391K | -0.11% |
| 2026-09-03 | 35.86 | 37.20 | 35.43 | 37.05 | 431K | +3.93% |
| 2026-09-02 | 35.45 | 36.61 | 35.45 | 35.65 | 391K | +1.16% |
| 2026-09-01 | 36.28 | 36.34 | 34.94 | 35.24 | 503K | -2.76% |
| 2026-08-31 | 35.59 | 36.48 | 35.05 | 36.24 | 538K | +2.52% |
| 2026-08-28 | 35.39 | 36.12 | 34.69 | 35.35 | 435K | +0.20% |
| 2026-08-27 | 35.00 | 35.35 | 33.91 | 35.28 | 1.10M | -1.26% |
| 2026-08-26 | 35.75 | 36.40 | 35.23 | 35.73 | 656K | -1.92% |
| 2026-08-25 | 37.44 | 37.95 | 35.80 | 36.43 | 685K | -3.09% |
| 2026-08-24 | 46.16 | 51.77 | 36.38 | 37.59 | 2.34M | -1.31% |
| 2026-08-21 | 37.97 | 38.29 | 37.21 | 38.09 | 350K | +0.85% |
| 2026-08-20 | 37.46 | 38.29 | 37.46 | 37.77 | 316K | -0.08% |
| 2026-08-19 | 38.15 | 38.25 | 37.70 | 37.80 | 277K | -0.03% |
| 2026-08-18 | 37.66 | 37.97 | 37.13 | 37.81 | 270K | -0.66% |
| 2026-08-17 | 38.06 | 38.34 | 37.94 | 38.06 | 207K | -0.68% |
| 2026-08-14 | 38.30 | 38.47 | 37.86 | 38.32 | 190K | +0.16% |
| 2026-08-13 | 39.23 | 39.62 | 38.22 | 38.26 | 208K | -1.57% |
| 2026-08-12 | 39.91 | 40.11 | 38.67 | 38.87 | 226K | -1.87% |
| 2026-08-11 | 40.21 | 40.88 | 39.38 | 39.61 | 240K | -1.00% |
| 2026-08-10 | 40.94 | 41.43 | 39.93 | 40.01 | 189K | -3.26% |
| 2026-08-07 | 40.84 | 41.62 | 40.68 | 41.36 | 247K | +1.08% |
| 2026-08-06 | 40.13 | 41.19 | 40.13 | 40.92 | 246K | +1.44% |
| 2026-08-05 | 40.30 | 40.55 | 39.97 | 40.34 | 231K | +0.30% |
| 2026-08-04 | 38.63 | 40.31 | 38.35 | 40.22 | 402K | +5.59% |
| 2026-08-03 | 37.27 | 38.33 | 37.18 | 38.09 | 242K | +2.72% |
| 2026-07-31 | 36.31 | 37.19 | 36.08 | 37.08 | 235K | +1.95% |
| 2026-07-30 | 36.68 | 36.85 | 35.88 | 36.37 | 324K | 0.00% |
| 2026-07-29 | 36.88 | 37.62 | 36.02 | 36.37 | 329K | -2.36% |
| 2026-07-28 | 36.34 | 37.36 | 36.26 | 37.25 | 275K | +2.34% |
| 2026-07-27 | 36.08 | 36.57 | 35.68 | 36.40 | 215K | +1.85% |
| 2026-07-24 | 36.03 | 36.25 | 35.53 | 35.74 | 207K | +0.22% |
| 2026-07-23 | 34.96 | 35.80 | 34.95 | 35.66 | 263K | +0.25% |
| 2026-07-22 | 35.96 | 36.48 | 35.35 | 35.57 | 310K | -1.69% |
| 2026-07-21 | 36.24 | 36.54 | 35.44 | 36.18 | 227K | +0.36% |
| 2026-07-20 | 36.21 | 36.56 | 35.92 | 36.05 | 232K | -0.19% |
| 2026-07-17 | 36.15 | 36.88 | 36.09 | 36.12 | 253K | -1.50% |
| 2026-07-16 | 35.33 | 36.73 | 35.33 | 36.67 | 275K | +3.12% |
NSSC Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
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 declined -17.8% over the past year, below its 5-year annualized CAGR of +10.1%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is NSSC's all-time high price?
Napco Security Technologies, Inc. reached $58.09 on 2024-08-19. The 52-week high is $51.77. Current 1-year return of -17.8% places the stock further from 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.