MRK Option Chain
Merck & Co., Inc.
$145.60
+$3.22(+2.26%)
61
Overall
80
Value
40
Tech
63
Quality
Market Cap
$351.28B
Volume
8.00M
52W Range
$82.01 - $156.92
Target Price
$156.59
Merck & Co., Inc. (MRK) Options Chain Summary
MRK option chain: Merck & Co., Inc. has 16 listed option expirations and 1,264 contracts. In the latest session, traders exchanged 11,020 calls and 6,085 puts, a put/call volume ratio of 0.55. Open interest stands at 290,109 calls and 219,121 puts. Max pain for the nearest expiration, Oct 16, 2026, is $140.00, 3.9% below the last close of $145.65.
- Expirations
- 16
- Contracts
- 1,264
- Call volume
- 11,020
- Put volume
- 6,085
- Put/call ratio (volume)
- 0.55
- Call open interest
- 290,109
- Put open interest
- 219,121
- Put/call ratio (OI)
- 0.76
MRK Options Volume, Open Interest and Max Pain by Expiration
| Expiration | Call Volume | Put Volume | Call OI | Put OI | Put/Call OI | Max Pain |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 4,459 | 1,611 | 50,547 | 29,806 | 0.59 | $140.00 |
| Oct 23, 2026 | 735 | 434 | 3,869 | 2,905 | 0.75 | $144.00 |
| Oct 30, 2026 | 732 | 249 | 14,555 | 2,272 | 0.16 | $140.00 |
| Nov 6, 2026 | 1,045 | 380 | 913 | 439 | 0.48 | $142.00 |
| Nov 13, 2026 | 147 | 98 | 117 | 85 | 0.73 | $140.00 |
| Nov 20, 2026 | 2,173 | 1,926 | 26,312 | 25,268 | 0.96 | $145.00 |
| Nov 27, 2026 | 22 | 16 | 4 | 0 | 0.00 | $80.00 |
| Dec 18, 2026 | 716 | 309 | 50,043 | 28,770 | 0.57 | $120.00 |
| Jan 15, 2027 | 404 | 297 | 60,312 | 58,124 | 0.96 | $115.00 |
| Mar 19, 2027 | 89 | 107 | 23,574 | 16,401 | 0.70 | $115.00 |
| Apr 16, 2027 | 18 | 144 | 2,398 | 2,477 | 1.03 | $130.00 |
| Jun 17, 2027 | 162 | 454 | 31,830 | 21,954 | 0.69 | $100.00 |
End-of-day options data. Max pain is the expiration price at which open calls and puts would pay out the least in total.
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Symbol | Price | Change | Vol |
| 2 | MRK | $145.60 | +2.3% | 8.00M |
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