MRK Option Chain
Merck & Co., Inc.
$149.88
+$1.58(+1.07%)
77
Overall
80
Value
90
Tech
63
Quality
Market Cap
$365.88B
Volume
9.00M
52W Range
$82.01 - $156.92
Target Price
$159.07
Merck & Co., Inc. (MRK) Options Chain Summary
MRK option chain: Merck & Co., Inc. has 15 listed option expirations and 1,204 contracts. In the latest session, traders exchanged 26,879 calls and 10,972 puts, a put/call volume ratio of 0.41. Open interest stands at 266,510 calls and 214,616 puts. Max pain for the nearest expiration, Oct 23, 2026, is $145.00, 3.3% below the last close of $149.94.
- Expirations
- 15
- Contracts
- 1,204
- Call volume
- 26,879
- Put volume
- 10,972
- Put/call ratio (volume)
- 0.41
- Call open interest
- 266,510
- Put open interest
- 214,616
- Put/call ratio (OI)
- 0.81
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 23, 2026 | 1,538 | 1,695 | 11,084 | 8,230 | 0.74 | $145.00 |
| Oct 30, 2026 | 19,562 | 3,155 | 15,507 | 6,301 | 0.41 | $143.00 |
| Nov 6, 2026 | 485 | 226 | 2,753 | 1,378 | 0.50 | $145.00 |
| Nov 13, 2026 | 451 | 27 | 819 | 530 | 0.65 | $143.00 |
| Nov 20, 2026 | 2,018 | 1,372 | 33,239 | 28,300 | 0.85 | $145.00 |
| Nov 27, 2026 | 12 | 15 | 136 | 224 | 1.65 | $147.00 |
| Dec 18, 2026 | 650 | 710 | 54,417 | 29,275 | 0.54 | $125.00 |
| Jan 15, 2027 | 515 | 3,051 | 61,918 | 65,382 | 1.06 | $120.00 |
| Mar 19, 2027 | 1,107 | 233 | 23,763 | 16,562 | 0.70 | $115.00 |
| Apr 16, 2027 | 57 | 46 | 2,674 | 4,359 | 1.63 | $140.00 |
| Jun 17, 2027 | 283 | 311 | 33,403 | 22,512 | 0.67 | $100.00 |
| Sep 17, 2027 | 77 | 65 | 1,988 | 2,885 | 1.45 | $145.00 |
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 | $149.88 | +1.1% | 9.00M |
| 3 | ||||
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| 6 |