Detailed MRK options chain for 2026-10-09 – real-time call and put contracts with last price, bid/ask, volume, open interest, implied volatility, and in-the-money status.
Tip: Use this page together with the price chart, short-term prediction, and multi-expiry options overview to build a complete view of positioning and risk for MRK.
This page focuses on a single options expiration date for MRK – 2026-10-09 – and lists every available call and put contract in a clean chain view. Each row shows the contract symbol, last trade, bid/ask quotes, daily change, percentage change, trading volume, open interest, implied volatility (IV), and whether the option is currently in-the-money (ITM).
Traders often use a specific expiry’s options chain to identify key strike levels, unusual activity, and risk hedging behavior. High open interest around certain strikes or sudden spikes in volume can reveal where large traders and market makers are concentrating their positions for MRK into 2026-10-09.
This MRK 2026-10-09 options chain provides a complete strike-by-strike breakdown of pricing, liquidity and volatility. By comparing changes in volume, open interest distribution and IV across calls and puts, traders can understand where the market is positioning ahead of this specific expiration date.
The table below shows all call options on MRK expiring on 2026-10-09. You can quickly compare strikes, pricing, liquidity (volume and open interest), and implied volatility to spot popular strike zones and potential directional bets.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| MRK 261009C00157500 | 157.50 | 0.1 | 0.02 | 0.3 | 2 | 1131 | 42.04% | |
| MRK 261009C00155000 | 155.00 | 0.1 | 0 | 0.26 | 38 | 940 | 35.16% | |
| MRK 261009C00165000 | 165.00 | 0.03 | 0 | 0.04 | 75 | 703 | 41.41% | |
| MRK 261009C00152500 | 152.50 | 0.18 | 0.05 | 0.3 | 65 | 356 | 30.37% | |
| MRK 261009C00162500 | 162.50 | 0.1 | 0.01 | 0.21 | 2 | 236 | 48.98% | |
| MRK 261009C00150000 | 150.00 | 0.43 | 0.38 | 0.57 | 28 | 232 | 29.49% | |
| MRK 261009C00160000 | 160.00 | 0.06 | 0 | 0.59 | 11 | 232 | 56.06% | |
| MRK 261009C00149000 | 149.00 | 0.6 | 0.54 | 0.88 | 28 | 180 | 31.49% | |
| MRK 261009C00147000 | 147.00 | 1.14 | 0.98 | 1.42 | 10 | 151 | 31.71% | |
| MRK 261009C00170000 | 170.00 | 0.03 | 0.01 | 0.11 | 5 | 72 | 51.56% | |
| MRK 261009C00142000 | 142.00 | 3.82 | 3 | 4.2 | 18 | 48 | 38.09% | YES |
| MRK 261009C00167500 | 167.50 | 0.15 | 0 | 0.22 | 6 | 41 | 52.25% | |
| MRK 261009C00182500 | 182.50 | 0.01 | 0 | 0.85 | 3 | 41 | 95.12% | |
| MRK 261009C00177500 | 177.50 | 0.01 | 0 | 0.13 | 1 | 39 | 63.48% | |
| MRK 261009C00175000 | 175.00 | 0.01 | 0 | 0.06 | 2 | 38 | 54.30% | |
| MRK 261009C00148000 | 148.00 | 0.79 | 0.72 | 0.93 | 12 | 38 | 28.81% | |
| MRK 261009C00141000 | 141.00 | 4.49 | 3.7 | 4.85 | 18 | 34 | 38.70% | YES |
| MRK 261009C00185000 | 185.00 | 0.01 | 0 | 0.49 | 6 | 34 | 89.94% | |
| MRK 261009C00145000 | 145.00 | 1.82 | 1.7 | 2.08 | 15 | 30 | 30.86% | |
| MRK 261009C00180000 | 180.00 | 0.01 | 0 | 0.14 | 8 | 30 | 67.58% | |
| MRK 261009C00146000 | 146.00 | 1.31 | 1.28 | 1.59 | 85 | 19 | 29.64% | |
| MRK 261009C00172500 | 172.50 | 0.02 | 0 | 0.04 | 102 | 16 | 52.54% | |
| MRK 261009C00144000 | 144.00 | 2.32 | 2.16 | 2.52 | 4 | 14 | 30.76% | |
| MRK 261009C00135000 | 135.00 | 9.38 | 8.55 | 9.6 | 10 | 13 | 43.80% | YES |
| MRK 261009C00143000 | 143.00 | 2.89 | 2.53 | 3.45 | 2 | 10 | 35.74% | YES |
| MRK 261009C00137000 | 137.00 | 7.52 | 6.8 | 7.85 | 16 | 9 | 41.24% | YES |
| MRK 261009C00190000 | 190.00 | 0.01 | 0 | 0.05 | 489 | 9 | 71.88% | |
| MRK 261009C00139000 | 139.00 | 5.7 | 5.1 | 5.85 | 54 | 2 | 33.72% | YES |
| MRK 261009C00130000 | 130.00 | 17.9 | 13.15 | 15 | 2 | 2 | 69.02% | YES |
| MRK 261009C00140000 | 140.00 | 4.94 | 4.35 | 5.35 | 17 | 2 | 36.72% | YES |
| MRK 261009C00138000 | 138.00 | 6.53 | 5.9 | 6.95 | 54 | 1 | 39.09% | YES |
The table below lists all put options on MRK expiring on 2026-10-09. Use it to track downside protection demand, hedge activity, and deep out-of-the-money puts that may indicate tail-risk hedging or speculation.
| Contract | Strike | Last | Bid | Ask | Volume | Open Int. | Implied Vol | ITM |
|---|---|---|---|---|---|---|---|---|
| MRK 261009P00147000 | 147.00 | 4.12 | 3.8 | 4.6 | 14 | 299 | 31.59% | YES |
| MRK 261009P00130000 | 130.00 | 0.05 | 0.03 | 0.05 | 4 | 110 | 33.20% | |
| MRK 261009P00145000 | 145.00 | 2.85 | 2.81 | 3.2 | 7 | 56 | 30.03% | YES |
| MRK 261009P00149000 | 149.00 | 6.02 | 5.4 | 6.3 | 18 | 53 | 34.96% | YES |
| MRK 261009P00140000 | 140.00 | 0.94 | 0.78 | 1.11 | 14 | 38 | 30.79% | |
| MRK 261009P00148000 | 148.00 | 4.8 | 4.65 | 5.35 | 27 | 36 | 32.08% | YES |
| MRK 261009P00146000 | 146.00 | 3.05 | 3.1 | 4.05 | 6 | 36 | 32.96% | YES |
| MRK 261009P00152500 | 152.50 | 4 | 7.65 | 9.5 | 0 | 35 | 41.24% | YES |
| MRK 261009P00143000 | 143.00 | 1.78 | 1.46 | 2.1 | 4 | 34 | 29.32% | |
| MRK 261009P00142000 | 142.00 | 1.57 | 1.34 | 1.82 | 2 | 33 | 31.13% | |
| MRK 261009P00138000 | 138.00 | 0.3 | 0.2 | 0.59 | 1 | 30 | 29.88% | |
| MRK 261009P00144000 | 144.00 | 2.44 | 2.28 | 2.6 | 30 | 26 | 29.47% | YES |
| MRK 261009P00150000 | 150.00 | 6.6 | 6.3 | 7 | 1 | 26 | 33.64% | YES |
| MRK 261009P00135000 | 135.00 | 0.19 | 0.12 | 0.3 | 26 | 22 | 32.62% | |
| MRK 261009P00141000 | 141.00 | 0.48 | 1.06 | 1.58 | 7 | 19 | 32.84% | |
| MRK 261009P00137000 | 137.00 | 0.35 | 0.21 | 0.46 | 3 | 19 | 30.57% | |
| MRK 261009P00136000 | 136.00 | 0.21 | 0 | 0.95 | 1 | 17 | 43.31% | |
| MRK 261009P00157500 | 157.50 | 7.75 | 12.55 | 14.8 | 0 | 15 | 60.89% | YES |
| MRK 261009P00139000 | 139.00 | 0.47 | 0.15 | 1.3 | 1 | 10 | 37.55% | |
| MRK 261009P00133000 | 133.00 | 0.21 | 0 | 0.96 | 6 | 9 | 53.98% | |
| MRK 261009P00134000 | 134.00 | 0.2 | 0 | 0.2 | 30 | 9 | 32.13% | |
| MRK 261009P00095000 | 95.00 | 0.01 | 0 | 0.01 | 2 | 5 | 90.63% | |
| MRK 261009P00131000 | 131.00 | 0.15 | 0 | 0.96 | 4 | 4 | 60.82% | |
| MRK 261009P00155000 | 155.00 | 6.85 | 10.05 | 12.25 | 0 | 4 | 52.98% | YES |
| MRK 261009P00125000 | 125.00 | 0.31 | 0 | 1.89 | 1 | 2 | 80.62% | |
| MRK 261009P00115000 | 115.00 | 0.01 | 0 | 2.13 | 0 | 2 | 118.02% | |
| MRK 261009P00080000 | 80.00 | 0.03 | 0 | 2.13 | 0 | 1 | 256.54% | |
| MRK 261009P00085000 | 85.00 | 0.08 | 0 | 2.13 | 0 | 1 | 233.98% | |
| MRK 261009P00110000 | 110.00 | 0.03 | 0 | 2.13 | 0 | 1 | 135.64% | |
| MRK 261009P00170000 | 170.00 | 23.48 | 25.05 | 27.25 | 2 | 0 | 90.48% | YES |
| MRK 261009P00165000 | 165.00 | 16.21 | 20.05 | 22.2 | 0 | 0 | 77.83% | YES |
| MRK 261009P00167500 | 167.50 | 18.78 | 22.55 | 24.75 | 0 | 0 | 84.81% | YES |
This page displays the full MRK options chain for contracts expiring on 2026-10-09. Both call and put tables include contract symbols, last trade price, bid/ask quotes, daily change and percentage change, trading volume, open interest, implied volatility, and an in-the-money (ITM) flag. It is designed to give you a complete snapshot of how the market is pricing risk and direction for this specific expiry.
Around earnings, macro data releases, or company-specific news, traders often focus on a single expiration such as 2026-10-09. By monitoring changes in implied volatility, volume, and open interest for each strike, you can see where traders are concentrating their bets and hedges. Large shifts in activity on out-of-the-money calls or puts can be early signs of expected volatility or directional moves in MRK.
The ITM column highlights whether a contract is currently in-the-money for MRK: call options are ITM when their strike is below the current stock price, while put options are ITM when their strike is above the current stock price. ITM contracts have intrinsic value, while out-of-the-money options are purely time and volatility value. This distinction helps you quickly identify which strikes are already “in the money” for this expiry.
Implied volatility reflects how much movement the market expects for MRK between now and 2026-10-09. Higher IV typically means options are more expensive and the market is pricing in larger potential moves. You can compare IV across strikes and between calls and puts to identify skew – for example, expensive downside puts may indicate demand for crash protection, while rich upside calls can signal speculative interest.
No. This 2026-10-09 options chain gives a granular view for one maturity only. For a complete picture of positioning in MRK, you should also review the multi-expiry options overview where you can compare put/call ratios, total open interest and volume across different expiration dates. Combining both perspectives helps you understand whether traders are focused on very short-term moves or longer-dated themes.
The MRK options data on this page is refreshed regularly during market hours to reflect the latest trades, mid-market quotes, and open interest updates. Intraday changes in volume, open interest, and implied volatility can provide important signals about how sentiment and risk pricing are evolving as 2026-10-09 approaches.
