| Volume | 109,454 |
| Open | 1.030 |
| Bid (Size) | 1.020 (5,200) |
| Ask (Size) | 1.030 (800) |
| Prev. Close | 1.010 |
| Today's Range | 1.010 - 1.050 |
| 52wk Range | 0.9610 - 3.080 |
| Shares Outstanding | 52,571,813 |
| Dividend Yield | N/A |
Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $0.96 and $3.08 over the past 52 weeks and last traded at $1.02, 66.9% below its 52-week high. Over the past week it ranged between $0.96 and $1.09.
SPRO was -59.2% over the past year, -59.8% over six months, -56.6% year to date, -4.7% in the last week.
Over the past 12 months SPRO returned -59.2% versus DIA (Dow) +10.6%, SPY (S&P 500) +11.6%, QQQ (Nasdaq 100) +11.1% and IWM (Russell 2000) +15.9%.
SPRO most recently traded 109,454 shares against a 3-month average daily volume of 558.6K.