Alpha Pro Tech, Ltd. (APT)
NYSEAMERICAN: APT · Real-Time Price · USD
6.20
+0.71 (12.93%)
At close: May 18, 2026, 4:00 PM EDT
6.24
+0.04 (0.65%)
After-hours: May 18, 2026, 4:49 PM EDT
Alpha Pro Tech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | 5.75 | 6.44 | 5.65 | 6.12 | - | 11.48% | 265,074 |
| May 15, 2026 | 5.80 | 5.85 | 5.46 | 5.49 | 5.49 | -6.63% | 163,406 |
| May 14, 2026 | 6.06 | 6.27 | 5.84 | 5.88 | 5.88 | -3.29% | 78,932 |
| May 13, 2026 | 6.31 | 6.39 | 5.94 | 6.08 | 6.08 | -4.25% | 161,137 |
| May 12, 2026 | 6.63 | 6.79 | 6.11 | 6.35 | 6.35 | -4.37% | 171,486 |
| May 11, 2026 | 7.09 | 7.50 | 6.51 | 6.64 | 6.64 | 3.11% | 495,581 |
| May 8, 2026 | 6.78 | 6.89 | 5.82 | 6.44 | 6.44 | -0.62% | 634,183 |
| May 7, 2026 | 5.11 | 6.55 | 5.02 | 6.48 | 6.48 | 37.87% | 1,117,277 |
| May 6, 2026 | 4.68 | 4.94 | 4.65 | 4.70 | 4.70 | 1.73% | 122,762 |
| May 5, 2026 | 4.60 | 4.75 | 4.60 | 4.62 | 4.62 | 0.43% | 46,846 |
| May 4, 2026 | 4.61 | 4.66 | 4.56 | 4.60 | 4.60 | - | 25,734 |
| May 1, 2026 | 4.60 | 4.63 | 4.52 | 4.60 | 4.60 | - | 23,355 |
| Apr 30, 2026 | 4.59 | 4.64 | 4.55 | 4.60 | 4.60 | 1.55% | 24,205 |
| Apr 29, 2026 | 4.55 | 4.56 | 4.50 | 4.53 | 4.53 | -0.44% | 16,134 |
| Apr 28, 2026 | 4.55 | 4.58 | 4.52 | 4.55 | 4.55 | 0.89% | 13,772 |
| Apr 27, 2026 | 4.50 | 4.60 | 4.50 | 4.51 | 4.51 | -0.77% | 29,789 |
| Apr 24, 2026 | 4.55 | 4.60 | 4.50 | 4.55 | 4.55 | 0.55% | 11,950 |
| Apr 23, 2026 | 4.57 | 4.64 | 4.51 | 4.52 | 4.52 | 0.44% | 26,923 |
| Apr 22, 2026 | 4.63 | 4.63 | 4.50 | 4.50 | 4.50 | -1.96% | 9,636 |
| Apr 21, 2026 | 4.54 | 4.64 | 4.53 | 4.59 | 4.59 | 2.68% | 20,139 |
| Apr 20, 2026 | 4.59 | 4.65 | 4.47 | 4.47 | 4.47 | -3.25% | 41,628 |
| Apr 17, 2026 | 4.62 | 4.80 | 4.55 | 4.62 | 4.62 | - | 21,476 |
| Apr 16, 2026 | 4.62 | 4.62 | 4.52 | 4.62 | 4.62 | 1.32% | 15,637 |
| Apr 15, 2026 | 4.68 | 4.74 | 4.55 | 4.56 | 4.56 | -2.98% | 25,682 |
| Apr 14, 2026 | 4.55 | 4.70 | 4.54 | 4.70 | 4.70 | 3.52% | 19,996 |
| Apr 13, 2026 | 4.54 | 4.66 | 4.51 | 4.54 | 4.54 | 0.67% | 25,277 |
| Apr 10, 2026 | 4.64 | 4.70 | 4.46 | 4.51 | 4.51 | -2.38% | 28,776 |
| Apr 9, 2026 | 4.71 | 4.71 | 4.55 | 4.62 | 4.62 | -0.22% | 17,197 |
| Apr 8, 2026 | 4.68 | 4.83 | 4.61 | 4.63 | 4.63 | 1.54% | 35,212 |
| Apr 7, 2026 | 4.60 | 4.71 | 4.56 | 4.56 | 4.56 | -1.08% | 20,193 |
| Apr 6, 2026 | 4.52 | 4.68 | 4.44 | 4.61 | 4.61 | 3.83% | 39,681 |
| Apr 2, 2026 | 4.56 | 4.69 | 4.43 | 4.44 | 4.44 | -6.72% | 31,088 |
| Apr 1, 2026 | 4.50 | 4.79 | 4.48 | 4.76 | 4.76 | 7.21% | 54,691 |
| Mar 31, 2026 | 4.47 | 4.63 | 4.43 | 4.44 | 4.44 | -2.63% | 117,561 |
| Mar 30, 2026 | 4.50 | 4.65 | 4.40 | 4.56 | 4.56 | 3.64% | 22,644 |
| Mar 27, 2026 | 4.49 | 4.49 | 4.38 | 4.40 | 4.40 | -1.79% | 35,497 |
| Mar 26, 2026 | 4.58 | 4.70 | 4.48 | 4.48 | 4.48 | -2.18% | 26,081 |
| Mar 25, 2026 | 4.60 | 4.67 | 4.51 | 4.58 | 4.58 | -0.65% | 45,458 |
| Mar 24, 2026 | 4.54 | 4.70 | 4.53 | 4.61 | 4.61 | 1.10% | 27,531 |
| Mar 23, 2026 | 4.55 | 4.67 | 4.52 | 4.56 | 4.56 | 1.33% | 59,933 |
| Mar 20, 2026 | 4.61 | 4.76 | 4.50 | 4.50 | 4.50 | -2.39% | 98,487 |
| Mar 19, 2026 | 4.65 | 4.68 | 4.58 | 4.61 | 4.61 | -1.71% | 44,875 |
| Mar 18, 2026 | 4.83 | 4.86 | 4.69 | 4.69 | 4.69 | -2.29% | 19,777 |
| Mar 17, 2026 | 4.95 | 5.00 | 4.80 | 4.80 | 4.80 | -2.83% | 44,279 |
| Mar 16, 2026 | 5.03 | 5.09 | 4.94 | 4.94 | 4.94 | -1.79% | 70,103 |
| Mar 13, 2026 | 5.05 | 5.12 | 5.03 | 5.03 | 5.03 | -0.40% | 27,527 |
| Mar 12, 2026 | 5.34 | 5.34 | 5.01 | 5.05 | 5.05 | -5.25% | 64,088 |
| Mar 11, 2026 | 5.11 | 5.39 | 5.08 | 5.33 | 5.33 | 3.29% | 36,348 |
| Mar 10, 2026 | 5.26 | 5.34 | 5.13 | 5.16 | 5.16 | -1.34% | 19,156 |
| Mar 9, 2026 | 5.10 | 5.35 | 5.06 | 5.23 | 5.23 | 1.16% | 60,732 |