stockNASDAQ: ATRA • 28 Days Updates
Atara Biotherapeutics Inc. (ATRA)
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
Investor Relations:investors.atarabio.com
Price & Performance Trajectory
Atara Biotherapeutics Inc.NASDAQ: ATRA
Latest Close
$9.23
28 Days Updates Trajectory
Showing Closing Date Range from Sep 10 to Oct 8, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesATRA session performance
✓ Latest Close USD
$9.23
Latest session close
$-0.66vs period start
Period Return % % GAIN
-6.67%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$10.37 / $7.83
Period range envelope
$2.54channel spread
Total Volume SHARES
718.7K
Period turnover
Avg: 39.9K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(18 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 08, 2026 | $9.23 | -1.49% | $9.42 | $8.82 | 28.9K |
| Oct 07, 2026 | $9.37 | -3.90% | $9.75 | $9.37 | 11.4K |
| Oct 06, 2026 | $9.75 | +3.72% | $9.79 | $9.05 | 47.6K |
| Oct 05, 2026 | $9.40 | -0.84% | $9.63 | $8.98 | 39.3K |
| Oct 02, 2026 | $9.48 | +12.06% | $9.68 | $8.25 | 85.6K |
| Sep 30, 2026 | $8.50 | +5.59% | $8.71 | $7.83 | 29.3K |
| Sep 25, 2026 | $8.81 | +3.16% | $8.99 | $8.54 | 31.2K |
| Sep 24, 2026 | $8.54 | -0.23% | $8.86 | $8.33 | 20.8K |
| Sep 23, 2026 | $8.56 | -4.14% | $8.95 | $8.40 | 40.5K |
| Sep 22, 2026 | $8.93 | -4.80% | $9.60 | $8.93 | 27.3K |
| Sep 21, 2026 | $9.38 | -3.20% | $9.92 | $9.30 | 29.7K |
| Sep 18, 2026 | $9.69 | -0.21% | $10.19 | $9.60 | 37.8K |
| Sep 17, 2026 | $9.71 | -3.96% | $10.28 | $9.41 | 26.4K |
| Sep 16, 2026 | $10.11 | +7.10% | $10.37 | $9.07 | 116.7K |
| Sep 15, 2026 | $9.44 | +2.05% | $9.88 | $8.92 | 56.1K |
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