| Volume | 361,281 |
| Open | 1.140 |
| Bid (Size) | 1.090 (5,900) |
| Ask (Size) | 1.180 (1,000) |
| Prev. Close | 1.130 |
| Today's Range | 1.090 - 1.170 |
| 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 $1.10, 64.3% below its 52-week high. Over the past week it ranged between $1.09 and $1.22.
SPRO was -53.2% over the past year, -60.0% over six months, -53.2% year to date, -6.8% in the last week.
Over the past 12 months SPRO returned -53.2% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +10.4%.
SPRO most recently traded 361,281 shares against a 3-month average daily volume of 967.2K.