Alphatec Holdings Inc. (ATEC)
Showing Closing Date Range from Mar, 20 to Sep, 16, 2026 compared to Mar, 20 to Sep, 16, 2025.
Compare Last 6 Months Same Dates of Previous Year
Current Period Close
$10.66
Mar 20, 2026 - Sep 16, 2026
Previous Year Close
$15.03
Mar 20, 2025 - Sep 16, 2025
Net Comparison Delta
$-4.37 (-29.08%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(124 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Sep 16, 2026 | $10.66 | Sep 16, 2025 | $15.03 | -29.08% |
| Sep 15, 2026 | $10.66 | Sep 15, 2025 | $15.05 | -29.17% |
| Sep 14, 2026 | $10.86 | Sep 12, 2025 | $15.26 | -28.83% |
| Sep 11, 2026 | $10.58 | Sep 11, 2025 | $15.63 | -32.31% |
| Sep 10, 2026 | $8.84 | Sep 10, 2025 | $15.35 | -42.41% |
| Sep 09, 2026 | $8.99 | Sep 09, 2025 | $15.80 | -43.10% |
| Sep 08, 2026 | $9.19 | Sep 08, 2025 | $16.34 | -43.76% |
| Sep 04, 2026 | $9.45 | Sep 05, 2025 | $16.40 | -42.38% |
| Sep 03, 2026 | $9.33 | Sep 04, 2025 | $16.55 | -43.63% |
| Sep 02, 2026 | $9.19 | Sep 03, 2025 | $15.90 | -42.20% |
| Sep 01, 2026 | $9.21 | Sep 02, 2025 | $15.68 | -41.26% |
| Aug 31, 2026 | $9.37 | Aug 29, 2025 | $15.90 | -41.07% |
| Aug 28, 2026 | $9.44 | Aug 28, 2025 | $16.03 | -41.11% |
| Aug 27, 2026 | $9.57 | Aug 27, 2025 | $16.18 | -40.85% |
| Aug 26, 2026 | $9.42 | Aug 26, 2025 | $16.05 | -41.31% |
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