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Merck & Co., Inc. (MRK) short interest & options flow

NYSE

MRK closed Tuesday at $141.82, down 4.4% on the week, while its closest pharmaceutical peers gained a median 1.7% over the same period. JNJ added 3.6%, RPRX rose 4.9%, and even LLY and BMY were roughly flat. The Q3 print landed Tuesday afternoon and produced a 2.4% one-day decline, reversing the small bounce Merck had managed off…

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$144.67-2.49% 1d+2.01% 1w+0.26% 1mClose: 3 Nov 2026
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Market cap
$356.93B
Next earnings
2 Feb 2027
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Key data as of 4 Nov 2026

ORTEX chart of Merck & Co., Inc. (MRK) share price and short interest (% of free float), six months to November 3, 2026

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