Merck & Co.
NYSE • MRK • US58933Y1055
Market Closed
Merck & Co.
NYSE • MRK • US58933Y1055
Market Closed
MRK key data
Merck & Co. (NYSE: MRK) has a market capitalization of $369.78B. Last close $149.88 (as of 2026-10-22); 52-week range $82.01 to $156.92. ORTEX data as of 2026-10-20: short interest is 1.16% of free float, 3.1 days to cover and the average cost to borrow is 0.25%.