| Volume | 2,253,227 |
| Open | 149.55 |
| Bid (Size) | 148.98 (100) |
| Ask (Size) | 149.05 (100) |
| Prev. Close | 146.33 |
| Today's Range | 148.70 - 151.35 |
| 52wk Range | 82.01 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.28% |
Merck & Co (MRK) traded between $82.01 and $156.92 over the past 52 weeks and last traded at $149.02, 5.0% below its 52-week high. Over the past week it ranged between $139.21 and $149.26.
MRK was +72.1% over the past year, +36.5% over six months, +40.0% year to date, +2.6% in the last week.
Over the past 12 months MRK returned +72.1% versus DIA (Dow) +8.9%, SPY (S&P 500) +10.3%, QQQ (Nasdaq 100) +9.2% and IWM (Russell 2000) +13.6%.
MRK most recently traded 2,253,227 shares against a 3-month average daily volume of 10.3M.