| Volume | 281,547 |
| Open | 1.210 |
| Bid (Size) | 1.180 (1,100) |
| Ask (Size) | 1.190 (1,400) |
| Prev. Close | 1.160 |
| Today's Range | 1.180 - 1.236 |
| 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 $1.18, 61.7% below its 52-week high. Over the past week it ranged between $1.15 and $1.31.
SPRO was -43.5% over the past year, -54.8% over six months, -49.8% year to date, -1.7% in the last week.
Over the past 12 months SPRO returned -43.5% versus DIA (Dow) +10.2%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +25.3% and IWM (Russell 2000) +14.1%.
SPRO most recently traded 281,547 shares against a 3-month average daily volume of 1.2M.