| Volume | 17,042 |
| Open | 7.630 |
| Bid (Size) | 7.370 (300) |
| Ask (Size) | 10.09 (300) |
| Prev. Close | 7.930 |
| Today's Range | 7.460 - 7.795 |
| 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 $7.70, 59.8% below its 52-week high. Over the past week it ranged between $7.46 and $8.41.
ATRA was -44.0% over the past year, -15.8% over six months, -56.7% year to date, -5.9% in the last week.
Over the past 12 months ATRA returned -44.0% versus DIA (Dow) +10.9%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +11.7% and IWM (Russell 2000) +16.9%.
ATRA most recently traded 17,042 shares against a 3-month average daily volume of 36.3K.