| Volume | 3,803,357 |
| Open | 148.61 |
| Bid (Size) | 147.74 (500) |
| Ask (Size) | 147.79 (100) |
| Prev. Close | 147.18 |
| Today's Range | 146.97 - 149.31 |
| 52wk Range | 87.26 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.30% |
Merck & Co (MRK) traded between $87.26 and $156.92 over the past 52 weeks and last traded at $147.77, 5.8% below its 52-week high. Over the past week it ranged between $142.80 and $153.37.
MRK was +62.5% over the past year, +30.3% over six months, +38.8% year to date, +0.6% in the last week.
Over the past 12 months MRK returned +62.5% versus DIA (Dow) +9.2%, SPY (S&P 500) +11.0%, QQQ (Nasdaq 100) +10.7% and IWM (Russell 2000) +14.3%.
MRK most recently traded 3,803,357 shares against a 3-month average daily volume of 10.3M.