| Volume | 826,255 |
| Open | 29.44 |
| Bid (Size) | 28.00 (2,700) |
| Ask (Size) | 31.00 (500) |
| Prev. Close | 27.66 |
| Today's Range | 27.80 - 31.00 |
| 52wk Range | 16.64 - 31.00 |
| Shares Outstanding | 48,081,433 |
| Dividend Yield | N/A |
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $31.00 over the past 52 weeks and last traded at $28.49, 8.1% below its 52-week high. Over the past week it ranged between $26.69 and $31.00.
AMPH was +17.6% over the past year, +49.9% over six months, +7.7% year to date, +5.4% in the last week.
Over the past 12 months AMPH returned +17.6% versus DIA (Dow) +9.2%, SPY (S&P 500) +9.7%, QQQ (Nasdaq 100) +7.3% and IWM (Russell 2000) +13.9%.
AMPH most recently traded 826,255 shares against a 3-month average daily volume of 479.9K.