| Volume | 85,749 |
| Open | 8.460 |
| Bid (Size) | 9.220 (100) |
| Ask (Size) | 9.600 (400) |
| Prev. Close | 8.460 |
| Today's Range | 8.250 - 9.675 |
| 52wk Range | 3.920 - 19.14 |
| Shares Outstanding | 101,102,152 |
| Dividend Yield | N/A |
Atara Biotherapeutics, Inc. - Common Stock (ATRA) traded between $3.92 and $19.14 over the past 52 weeks and last traded at $9.48, 50.5% below its 52-week high. Over the past week it ranged between $7.83 and $9.20.
ATRA was -34.4% over the past year, +90.0% over six months, -46.7% year to date, +7.6% in the last week.
Over the past 12 months ATRA returned -34.4% versus DIA (Dow) +10.1%, SPY (S&P 500) +15.1%, QQQ (Nasdaq 100) +24.3% and IWM (Russell 2000) +16.1%.
ATRA most recently traded 85,749 shares against a 3-month average daily volume of 57.1K.