| Volume | 20 |
| Open | 1.150 |
| Bid (Size) | 1.140 (1,600) |
| Ask (Size) | 1.170 (1,500) |
| Prev. Close | 1.150 |
| Today's Range | 1.150 - 1.150 |
| 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 $1.15, 62.7% below its 52-week high. Over the past week it ranged between $1.13 and $1.22.
SPRO was -49.8% over the past year, -58.6% over six months, -51.1% year to date, -1.7% in the last week.
Over the past 12 months SPRO returned -49.8% versus DIA (Dow) +12.1%, SPY (S&P 500) +17.3%, QQQ (Nasdaq 100) +23.5% and IWM (Russell 2000) +13.2%.
SPRO most recently traded 20 shares against a 3-month average daily volume of 1.2M.