Alphatec Holdings Inc. (ATEC)
Showing Closing Date Range from Oct 1 to Oct 29, 2026 compared to Sep 2 to Sep 30, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:investors.alphatecspine.com
Current Period Close
$11.37
Oct 01, 2026 - Oct 29, 2026
Previous Period Close
$10.33
Sep 02, 2026 - Sep 30, 2026
Net Comparison Delta
+$1.04 (+10.07%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 29, 2026 | $11.37 | - | - | - |
| Oct 28, 2026 | $11.45 | Sep 30, 2026 | $10.33 | +10.84% |
| Oct 27, 2026 | $10.87 | Sep 29, 2026 | $10.37 | +4.82% |
| Oct 26, 2026 | $10.90 | Sep 28, 2026 | $10.05 | +8.46% |
| Oct 23, 2026 | $11.11 | Sep 25, 2026 | $10.12 | +9.78% |
| Oct 22, 2026 | $11.36 | Sep 24, 2026 | $9.92 | +14.52% |
| Oct 21, 2026 | $10.86 | Sep 23, 2026 | $10.03 | +8.28% |
| Oct 20, 2026 | $10.86 | Sep 21, 2026 | $10.17 | +6.78% |
| Oct 19, 2026 | $10.41 | Sep 18, 2026 | $10.18 | +2.26% |
| Oct 16, 2026 | $10.46 | Sep 17, 2026 | $10.28 | +1.75% |
| Oct 15, 2026 | $10.93 | Sep 16, 2026 | $10.50 | +4.10% |
| Oct 14, 2026 | $10.44 | Sep 15, 2026 | $10.66 | -2.06% |
| Oct 13, 2026 | $10.82 | Sep 14, 2026 | $10.86 | -0.37% |
| Oct 12, 2026 | $11.25 | Sep 11, 2026 | $10.58 | +6.33% |
| Oct 09, 2026 | $10.67 | Sep 10, 2026 | $8.84 | +20.70% |
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