| Volume | 0 |
| Open | 1.220 |
| Bid (Size) | 1.140 (500) |
| Ask (Size) | 1.250 (500) |
| Prev. Close | 1.220 |
| Today's Range | 1.220 - 1.220 |
| 52wk Range | 1.080 - 3.080 |
| Shares Outstanding | 52,571,813 |
| Dividend Yield | N/A |
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.22, 60.4% below its 52-week high. Over the past week it ranged between $1.09 and $1.24.
SPRO was -46.7% over the past year, -56.4% over six months, -48.1% year to date, +8.9% in the last week.
Over the past 12 months SPRO returned -46.7% versus DIA (Dow) +12.3%, SPY (S&P 500) +14.6%, QQQ (Nasdaq 100) +17.3% and IWM (Russell 2000) +11.1%.
SPRO's 3-month average daily volume is 935.2K.
