Atara Biotherapeutics Inc. (ATRA)
Showing Closing Date Range from Oct 22 to Oct 29, 2026 compared to Oct 14 to Oct 21, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:investors.atarabio.com
Current Period Close
$8.66
Oct 22, 2026 - Oct 29, 2026
Previous Period Close
$9.35
Oct 14, 2026 - Oct 21, 2026
Net Comparison Delta
$-0.69 (-7.38%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(5 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 28, 2026 | $8.66 | Oct 20, 2026 | $9.16 | -5.46% |
| Oct 27, 2026 | $8.30 | Oct 19, 2026 | $8.96 | -7.37% |
| Oct 26, 2026 | $8.35 | Oct 16, 2026 | $9.18 | -9.04% |
| Oct 23, 2026 | $8.59 | Oct 15, 2026 | $9.65 | -10.98% |
| Oct 22, 2026 | $9.43 | Oct 14, 2026 | $9.56 | -1.36% |