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Merck (MRK) call put ratio 4.6 call1 to 1 put

November 14, 2025 5:43 AM EST

Merck (NYSE: MRK) 30-day call option implied volatility is at 29; compared to its 52-week range of 20 to 55. Call put ratio 4.6 call1 to 1 put into Merck close to deal to acquire Cidara Therapeutics (CDTX), FT reports.



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