| Volume | 1,577 |
| Open | 1.160 |
| Bid (Size) | 1.150 (1,100) |
| Ask (Size) | 1.290 (7,300) |
| Prev. Close | 1.160 |
| Today's Range | 1.160 - 1.160 |
| 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 $1.16, 62.3% below its 52-week high. Over the past week it ranged between $1.15 and $1.31.
SPRO was -44.5% over the past year, -55.6% over six months, -50.6% year to date, -3.3% in the last week.
Over the past 12 months SPRO returned -44.5% versus DIA (Dow) +9.7%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.4% and IWM (Russell 2000) +14.8%.
SPRO most recently traded 1,577 shares against a 3-month average daily volume of 1.2M.