Alphatec Holdings, Inc. (ATEC)
NASDAQ: ATEC · Real-Time Price · USD
9.57
+0.15 (1.59%)
At close: Aug 27, 2026, 4:00 PM EDT
9.65
+0.08 (0.84%)
After-hours: Aug 27, 2026, 7:30 PM EDT
Alphatec Holdings Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | 9.36 | 9.69 | 9.28 | 9.57 | 9.57 | 1.59% | 1,564,802 |
| Aug 26, 2026 | 9.37 | 9.49 | 9.20 | 9.42 | 9.42 | 0.96% | 1,418,557 |
| Aug 25, 2026 | 9.22 | 9.47 | 9.08 | 9.33 | 9.33 | 0.97% | 1,582,090 |
| Aug 24, 2026 | 9.49 | 9.62 | 9.22 | 9.24 | 9.24 | -2.53% | 1,716,890 |
| Aug 21, 2026 | 9.26 | 9.51 | 9.11 | 9.48 | 9.48 | 2.05% | 1,452,082 |
| Aug 20, 2026 | 9.70 | 9.71 | 9.22 | 9.29 | 9.29 | -4.72% | 1,514,120 |
| Aug 19, 2026 | 9.53 | 10.00 | 9.50 | 9.75 | 9.75 | 2.31% | 1,544,998 |
| Aug 18, 2026 | 9.55 | 9.77 | 9.50 | 9.53 | 9.53 | 0.85% | 1,432,174 |
| Aug 17, 2026 | 9.63 | 9.75 | 9.35 | 9.45 | 9.45 | -3.47% | 1,398,443 |
| Aug 14, 2026 | 9.79 | 9.92 | 9.69 | 9.79 | 9.79 | 0.41% | 1,759,205 |
| Aug 13, 2026 | 9.74 | 9.81 | 9.54 | 9.75 | 9.75 | 1.25% | 1,192,153 |
| Aug 12, 2026 | 9.24 | 9.70 | 9.12 | 9.63 | 9.63 | 2.77% | 1,947,996 |
| Aug 11, 2026 | 9.47 | 9.68 | 9.34 | 9.37 | 9.37 | -1.26% | 1,463,389 |
| Aug 10, 2026 | 9.10 | 9.53 | 9.10 | 9.49 | 9.49 | 1.93% | 1,973,875 |
| Aug 7, 2026 | 9.34 | 9.34 | 9.05 | 9.31 | 9.31 | 1.09% | 2,412,786 |
| Aug 6, 2026 | 9.55 | 9.64 | 8.90 | 9.21 | 9.21 | -3.76% | 3,695,320 |
| Aug 5, 2026 | 9.87 | 10.10 | 9.26 | 9.57 | 9.57 | -7.54% | 5,220,687 |
| Aug 4, 2026 | 9.96 | 10.39 | 9.96 | 10.35 | 10.35 | 1.97% | 4,381,882 |
| Aug 3, 2026 | 10.00 | 10.30 | 9.86 | 10.15 | 10.15 | 6.62% | 4,589,416 |
| Jul 31, 2026 | 9.73 | 9.76 | 9.46 | 9.52 | 9.52 | -1.45% | 1,669,204 |
| Jul 30, 2026 | 9.65 | 9.80 | 9.54 | 9.66 | 9.66 | 0.10% | 1,811,412 |
| Jul 29, 2026 | 9.23 | 9.67 | 9.20 | 9.65 | 9.65 | 3.54% | 2,430,138 |
| Jul 28, 2026 | 9.10 | 9.43 | 9.00 | 9.32 | 9.32 | 7.50% | 2,082,196 |
| Jul 27, 2026 | 8.42 | 8.89 | 8.42 | 8.67 | 8.67 | 4.96% | 1,789,817 |
| Jul 24, 2026 | 8.21 | 8.38 | 8.06 | 8.26 | 8.26 | 0.61% | 1,457,562 |
| Jul 23, 2026 | 8.27 | 8.27 | 8.07 | 8.21 | 8.21 | 1.86% | 1,335,843 |
| Jul 22, 2026 | 8.27 | 8.33 | 8.01 | 8.06 | 8.06 | -2.89% | 2,089,896 |
| Jul 21, 2026 | 8.13 | 8.45 | 8.05 | 8.30 | 8.30 | 0.36% | 1,980,598 |
| Jul 20, 2026 | 8.51 | 8.55 | 8.26 | 8.27 | 8.27 | -3.10% | 2,089,112 |
| Jul 17, 2026 | 9.09 | 9.09 | 8.52 | 8.54 | 8.54 | -7.93% | 2,245,807 |
| Jul 16, 2026 | 9.17 | 9.61 | 9.15 | 9.27 | 9.27 | 2.54% | 2,111,722 |
| Jul 15, 2026 | 8.93 | 9.20 | 8.86 | 9.04 | 9.04 | 0.78% | 1,327,478 |
| Jul 14, 2026 | 9.53 | 9.57 | 8.87 | 8.97 | 8.97 | -7.91% | 2,889,060 |
| Jul 13, 2026 | 9.66 | 9.94 | 9.61 | 9.74 | 9.74 | 1.67% | 1,794,403 |
| Jul 10, 2026 | 9.51 | 9.60 | 9.33 | 9.58 | 9.58 | 0.74% | 1,513,803 |
| Jul 9, 2026 | 9.42 | 9.53 | 9.18 | 9.51 | 9.51 | 3.26% | 1,740,877 |
| Jul 8, 2026 | 9.14 | 9.36 | 8.86 | 9.21 | 9.21 | -1.81% | 3,318,993 |
| Jul 7, 2026 | 9.38 | 9.53 | 9.28 | 9.38 | 9.38 | 0.54% | 2,777,931 |
| Jul 6, 2026 | 8.93 | 9.46 | 8.84 | 9.33 | 9.33 | 4.60% | 2,727,469 |
| Jul 2, 2026 | 9.07 | 9.13 | 8.76 | 8.92 | 8.92 | 0.68% | 2,843,990 |
| Jul 1, 2026 | 8.78 | 9.17 | 8.69 | 8.86 | 8.86 | 2.43% | 3,360,549 |
| Jun 30, 2026 | 9.39 | 9.48 | 8.50 | 8.65 | 8.65 | -8.95% | 4,094,009 |
| Jun 29, 2026 | 9.35 | 9.57 | 9.02 | 9.50 | 9.50 | 2.15% | 4,158,018 |
| Jun 26, 2026 | 8.83 | 9.34 | 8.83 | 9.30 | 9.30 | 5.32% | 6,166,792 |
| Jun 25, 2026 | 8.70 | 9.01 | 8.63 | 8.83 | 8.83 | 1.49% | 2,276,169 |
| Jun 24, 2026 | 8.50 | 9.09 | 8.10 | 8.70 | 8.70 | 2.35% | 6,780,615 |
| Jun 23, 2026 | 8.57 | 8.70 | 8.37 | 8.50 | 8.50 | -0.58% | 2,080,600 |
| Jun 22, 2026 | 8.76 | 9.22 | 8.48 | 8.55 | 8.55 | -2.95% | 4,093,117 |
| Jun 18, 2026 | 8.35 | 8.83 | 8.28 | 8.81 | 8.81 | 6.92% | 4,526,787 |
| Jun 17, 2026 | 8.43 | 8.69 | 8.22 | 8.24 | 8.24 | -2.37% | 5,025,930 |