| Volume | 13,865,479 |
| Open | 149.70 |
| Bid (Size) | 143.55 (100) |
| Ask (Size) | 145.98 (100) |
| Prev. Close | 147.37 |
| Today's Range | 144.91 - 152.34 |
| 52wk Range | 82.01 - 156.92 |
| Shares Outstanding | 2,531,374,696 |
| Dividend Yield | 2.34% |
Merck & Co (MRK) traded between $82.01 and $156.92 over the past 52 weeks and last traded at $145.19, 7.5% below its 52-week high. Over the past week it ranged between $141.36 and $152.34.
MRK was +72.6% over the past year, +25.7% over six months, +36.4% year to date, -0.3% in the last week.
Over the past 12 months MRK returned +72.6% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +20.9% and IWM (Russell 2000) +9.9%.
MRK most recently traded 13,865,479 shares against a 3-month average daily volume of 9.9M.