| Volume | 4,424,709 |
| Open | 145.89 |
| Bid (Size) | 141.19 (200) |
| Ask (Size) | 141.24 (500) |
| Prev. Close | 145.27 |
| Today's Range | 141.10 - 146.61 |
| 52wk Range | 82.01 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.41% |
Merck & Co (MRK) traded between $82.01 and $156.92 over the past 52 weeks and last traded at $141.22, 10.0% below its 52-week high. Over the past week it ranged between $143.41 and $154.02.
MRK was +60.5% over the past year, +28.1% over six months, +32.7% year to date, -1.7% in the last week.
Over the past 12 months MRK returned +60.5% versus DIA (Dow) +10.0%, SPY (S&P 500) +11.7%, QQQ (Nasdaq 100) +13.5% and IWM (Russell 2000) +11.0%.
MRK most recently traded 4,424,709 shares against a 3-month average daily volume of 10.1M.