| Volume | 6,402 |
| Open | 9.620 |
| Bid (Size) | 9.400 (300) |
| Ask (Size) | 9.600 (100) |
| Prev. Close | 9.750 |
| Today's Range | 9.390 - 9.750 |
| 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 $9.41, 50.8% below its 52-week high. Over the past week it ranged between $7.83 and $9.79.
ATRA was -32.7% over the past year, +99.8% over six months, -47.0% year to date, +10.7% in the last week.
Over the past 12 months ATRA returned -32.7% versus DIA (Dow) +9.5%, SPY (S&P 500) +15.6%, QQQ (Nasdaq 100) +24.4% and IWM (Russell 2000) +12.6%.
ATRA most recently traded 6,402 shares against a 3-month average daily volume of 57.1K.