5 DAY PERFORMANCE
+13.89%
1 MONTH PERFORMANCE
+20.45%
3 MONTH PERFORMANCE
+15.08%
6 MONTH PERFORMANCE
-6.35%
YEAR-TO-DATE PERFORMANCE
+3.24%
1 YEAR PERFORMANCE
+35.80%
NAPCO Security Technologies Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 08/21/2026 | $37.97 | $38.09 (0.32%) | $38.29 | $37.21 | 349.94 K | $1.36 B |
| 08/20/2026 | $37.46 | $37.77 (0.83%) | $38.29 | $37.46 | 316.17 K | $1.35 B |
| 08/19/2026 | $38.15 | $37.80 (-0.92%) | $38.25 | $37.70 | 276.73 K | $1.35 B |
| 08/18/2026 | $37.66 | $37.81 (0.4%) | $37.97 | $37.13 | 270.42 K | $1.35 B |
| 08/17/2026 | $38.06 | $38.06 (0%) | $38.34 | $37.94 | 207.20 K | $1.36 B |
| 08/14/2026 | $38.30 | $38.32 (0.05%) | $38.47 | $37.86 | 190.40 K | $1.37 B |
| 08/13/2026 | $39.23 | $38.26 (-2.47%) | $39.62 | $38.22 | 207.90 K | $1.37 B |
| 08/12/2026 | $39.91 | $38.87 (-2.61%) | $40.11 | $38.67 | 226.40 K | $1.39 B |
| 08/11/2026 | $40.21 | $39.61 (-1.49%) | $40.88 | $39.38 | 240.13 K | $1.41 B |
| 08/10/2026 | $40.94 | $40.01 (-2.27%) | $41.43 | $39.93 | 188.95 K | $1.43 B |
| 08/07/2026 | $40.84 | $41.36 (1.27%) | $41.62 | $40.68 | 247.20 K | $1.48 B |
| 08/06/2026 | $40.13 | $40.92 (1.97%) | $41.19 | $40.13 | 245.70 K | $1.46 B |
| 08/05/2026 | $40.30 | $40.34 (0.1%) | $40.55 | $39.97 | 231.10 K | $1.44 B |
| 08/04/2026 | $38.63 | $40.22 (4.12%) | $40.31 | $38.35 | 401.90 K | $1.44 B |
| 08/03/2026 | $37.27 | $38.09 (2.2%) | $38.33 | $37.18 | 241.70 K | $1.36 B |
| 07/31/2026 | $36.31 | $37.08 (2.12%) | $37.19 | $36.08 | 234.92 K | $1.32 B |
| 07/30/2026 | $36.68 | $36.37 (-0.85%) | $36.85 | $35.88 | 323.92 K | $1.30 B |
| 07/29/2026 | $36.88 | $36.37 (-1.38%) | $37.62 | $36.02 | 328.51 K | $1.30 B |
| 07/28/2026 | $36.34 | $37.25 (2.5%) | $37.36 | $36.26 | 274.70 K | $1.33 B |
| 07/27/2026 | $36.08 | $36.40 (0.89%) | $36.57 | $35.68 | 215.40 K | $1.30 B |
| 07/24/2026 | $36.03 | $35.74 (-0.8%) | $36.25 | $35.53 | 207.35 K | $1.28 B |
| 07/23/2026 | $34.96 | $35.66 (2%) | $35.80 | $34.95 | 263.43 K | $1.27 B |
| 07/22/2026 | $35.96 | $35.57 (-1.08%) | $36.48 | $35.35 | 309.60 K | $1.27 B |
| 07/21/2026 | $36.24 | $36.18 (-0.17%) | $36.54 | $35.44 | 227.10 K | $1.29 B |
| 07/20/2026 | $36.21 | $36.05 (-0.44%) | $36.56 | $35.92 | 232.23 K | $1.29 B |
| 07/17/2026 | $36.15 | $36.12 (-0.08%) | $36.88 | $36.09 | 252.70 K | $1.29 B |
| 07/16/2026 | $35.33 | $36.67 (3.79%) | $36.73 | $35.33 | 274.73 K | $1.31 B |
| 07/15/2026 | $35.87 | $35.56 (-0.86%) | $36.31 | $35.49 | 290.23 K | $1.27 B |
| 07/14/2026 | $36.12 | $35.90 (-0.61%) | $36.12 | $35.54 | 241.90 K | $1.28 B |
| 07/13/2026 | $35.93 | $35.74 (-0.53%) | $36.30 | $35.62 | 282.15 K | $1.28 B |
| 07/10/2026 | $36.28 | $36.07 (-0.58%) | $36.38 | $35.56 | 487.00 K | $1.29 B |
| 07/09/2026 | $37.20 | $36.09 (-2.98%) | $37.60 | $34.20 | 673.51 K | $1.29 B |
| 07/08/2026 | $38.02 | $38.08 (0.16%) | $38.56 | $37.66 | 384.53 K | $1.36 B |
| 07/07/2026 | $38.81 | $38.40 (-1.06%) | $38.87 | $37.94 | 275.61 K | $1.37 B |
| 07/06/2026 | $37.97 | $39.18 (3.19%) | $39.24 | $37.80 | 226.30 K | $1.40 B |
| 07/02/2026 | $38.11 | $37.79 (-0.84%) | $38.41 | $37.22 | 233.10 K | $1.35 B |
| 07/01/2026 | $37.98 | $37.86 (-0.32%) | $38.66 | $37.69 | 281.70 K | $1.35 B |
| 06/30/2026 | $37.42 | $37.98 (1.5%) | $38.17 | $37.27 | 262.50 K | $1.36 B |
| 06/29/2026 | $37.07 | $37.29 (0.59%) | $37.45 | $36.67 | 331.22 K | $1.33 B |
| 06/26/2026 | $37.00 | $37.29 (0.78%) | $37.67 | $36.73 | 905.85 K | $1.33 B |
| 06/25/2026 | $38.03 | $37.42 (-1.6%) | $38.38 | $37.34 | 541.50 K | $1.34 B |
| 06/24/2026 | $37.29 | $37.42 (0.35%) | $38.38 | $37.21 | 491.21 K | $1.34 B |
| 06/23/2026 | $37.22 | $37.49 (0.73%) | $38.31 | $37.05 | 560.24 K | $1.34 B |
| 06/22/2026 | $36.93 | $37.50 (1.54%) | $37.60 | $36.32 | 590.74 K | $1.34 B |
| 06/18/2026 | $36.85 | $37.39 (1.47%) | $38.02 | $36.55 | 1.53 M | $1.33 B |
| 06/17/2026 | $37.52 | $36.06 (-3.89%) | $37.99 | $36.04 | 397.76 K | $1.29 B |
| 06/16/2026 | $37.82 | $37.49 (-0.87%) | $38.43 | $37.26 | 562.30 K | $1.34 B |
| 06/15/2026 | $37.88 | $37.57 (-0.82%) | $38.23 | $37.46 | 1.03 M | $1.34 B |
| 06/12/2026 | $36.43 | $37.22 (2.17%) | $37.62 | $36.08 | 401.70 K | $1.33 B |
| 06/11/2026 | $35.46 | $36.43 (2.74%) | $36.56 | $35.16 | 459.92 K | $1.30 B |
| 06/10/2026 | $35.05 | $35.23 (0.51%) | $35.60 | $34.72 | 313.24 K | $1.26 B |
| 06/09/2026 | $35.08 | $35.14 (0.17%) | $36.02 | $34.32 | 320.55 K | $1.25 B |
| 06/08/2026 | $35.48 | $35.01 (-1.32%) | $35.48 | $34.72 | 373.22 K | $1.25 B |
| 06/05/2026 | $35.54 | $34.96 (-1.63%) | $35.70 | $34.90 | 268.40 K | $1.25 B |
| 06/04/2026 | $36.11 | $35.77 (-0.94%) | $36.42 | $35.72 | 270.48 K | $1.28 B |
| 06/03/2026 | $36.01 | $35.99 (-0.06%) | $36.33 | $35.72 | 378.13 K | $1.28 B |
| 06/02/2026 | $35.27 | $36.20 (2.64%) | $36.42 | $35.27 | 387.60 K | $1.29 B |
| 06/01/2026 | $36.92 | $35.27 (-4.47%) | $37.46 | $34.76 | 582.61 K | $1.26 B |
| 05/29/2026 | $36.82 | $37.53 (1.93%) | $37.55 | $36.50 | 699.58 K | $1.34 B |
| 05/28/2026 | $36.04 | $36.77 (2.03%) | $36.90 | $35.25 | 346.39 K | $1.31 B |
| 05/27/2026 | $37.18 | $36.16 (-2.74%) | $37.32 | $36.06 | 341.50 K | $1.29 B |
| 05/26/2026 | $37.52 | $37.09 (-1.15%) | $38.07 | $37.00 | 388.40 K | $1.32 B |
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