Alphatec Holdings Inc. (ATEC)
Showing Closing Date Range from Aug, 18 to Sep, 15, 2026 compared to Jul, 20 to Aug, 17, 2026.
Compare Last 28 Days with Previous Period
Current Period Close
$10.79
Aug 18, 2026 - Sep 15, 2026
Previous Period Close
$9.45
Jul 20, 2026 - Aug 17, 2026
Net Comparison Delta
+$1.34 (+14.13%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Sep 15, 2026 | $10.79 | Aug 14, 2026 | $9.79 | +10.16% |
| Sep 14, 2026 | $10.86 | Aug 13, 2026 | $9.75 | +11.38% |
| Sep 11, 2026 | $10.58 | Aug 12, 2026 | $9.63 | +9.87% |
| Sep 10, 2026 | $8.84 | Aug 11, 2026 | $9.37 | -5.66% |
| Sep 09, 2026 | $8.99 | Aug 10, 2026 | $9.49 | -5.27% |
| Sep 08, 2026 | $9.19 | Aug 07, 2026 | $9.31 | -1.29% |
| Sep 04, 2026 | $9.45 | Aug 06, 2026 | $9.21 | +2.61% |
| Sep 03, 2026 | $9.33 | Aug 05, 2026 | $9.57 | -2.51% |
| Sep 02, 2026 | $9.19 | Aug 04, 2026 | $10.35 | -11.21% |
| Sep 01, 2026 | $9.21 | Aug 03, 2026 | $10.15 | -9.26% |
| Aug 31, 2026 | $9.37 | Jul 31, 2026 | $9.52 | -1.58% |
| Aug 28, 2026 | $9.44 | Jul 30, 2026 | $9.66 | -2.28% |
| Aug 27, 2026 | $9.57 | Jul 29, 2026 | $9.65 | -0.83% |
| Aug 26, 2026 | $9.42 | Jul 28, 2026 | $9.32 | +1.07% |
| Aug 25, 2026 | $9.33 | Jul 27, 2026 | $8.67 | +7.61% |
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