Merck & Co Inc
Merck & Co Inc (MRK) Expected Move
MRK expected move through Sep 25, 2026 is 2.4%, with 2 days to expiration. The implied range is $147.36 to $154.46, based on the previous trading day's options prices.
Read more
Tracking the MRK expected move helps you see how far Merck & Co Inc's options market is pricing the stock to travel over a given period — whether that's the next day, week, or earnings cycle. Merck & Co Inc's expected move is derived directly from option premiums and gives you an objective range to plan trades, set strikes, and manage risk. Use our scanner to monitor the MRK expected move for this week's options, in real time.
The expected move is typically calculated from at-the-money straddle prices (or a blend of straddles and strangles) and represents roughly a one-standard-deviation range over the chosen timeframe. For MRK, comparing the implied expected move to actual realized moves over similar windows tells you whether the options market has historically overestimated or underestimated volatility. The MRK expected move for this week's options pricing is especially useful for short-dated traders, earnings players, and anyone selling premium who needs to know where the market thinks Merck & Co Inc is unlikely to go.
Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products.
It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; Ridgeback Biotherapeutics; and Gilead Sciences, Inc. to jointly develop and commercialize long-acting treatments in HIV. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.
Iron condors, weekly premium sales, directional swing trades — they all live or die by where the market thinks the stock won't go. Our scanner tracks the MRK expected move across every expiration, benchmarks it against realized moves, and shows you when implied ranges are out of line with history. The Merck & Co Inc expected move for this week's options is the fastest read on short-term risk, which gives you a quick way to interpret what the options market thinks about MRK.
MRK Price
Drag chart to pan. Drag axes to zoom.
| Expiration | DTE | Expected move (USD) | Expected move (%) | Upper price | Lower price |
|---|---|---|---|---|---|
| Sep 25, 2026 | 2 | $3.55 | 2.4% | $154.46 | $147.36 |
| Oct 2, 2026 | 9 | $5.50 | 3.6% | $156.41 | $145.41 |
| Oct 9, 2026 | 16 | $7.34 | 4.9% | $158.25 | $143.57 |
| Oct 16, 2026 | 23 | $8.49 | 5.6% | $159.40 | $142.42 |
As of September 22, 2026
Know What the Market Expects From MRK
Track the MRK expected move across every expiration, filter by IV rank and liquidity, and trade around the range the market is already pricing in.
Start your 14-day free trial→