MRK Option Chain
Merck & Co., Inc.
$147.39
+$5.41(+3.81%)
67
Overall
80
Value
60
Tech
63
Quality
Market Cap
$358.85B
Volume
5.33M
52W Range
$82.01 - $156.92
Target Price
$158.74
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 6,028 calls and 3,534 puts, a put/call volume ratio of 0.59. Open interest stands at 297,246 calls and 222,412 puts. Max pain for the nearest expiration, Oct 16, 2026, is $140.00, 1.3% below the last close of $141.82.
- Expirations
- 16
- Contracts
- 1,264
- Call volume
- 6,028
- Put volume
- 3,534
- Put/call ratio (volume)
- 0.59
- Call open interest
- 297,246
- Put open interest
- 222,412
- Put/call ratio (OI)
- 0.75
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 | 1,540 | 1,055 | 52,537 | 30,684 | 0.58 | $140.00 |
| Oct 23, 2026 | 232 | 309 | 4,248 | 3,348 | 0.79 | $144.00 |
| Oct 30, 2026 | 248 | 183 | 15,125 | 2,518 | 0.17 | $140.00 |
| Nov 6, 2026 | 263 | 226 | 1,869 | 586 | 0.31 | $143.00 |
| Nov 13, 2026 | 56 | 153 | 234 | 185 | 0.79 | $143.00 |
| Nov 20, 2026 | 571 | 395 | 28,555 | 26,127 | 0.91 | $145.00 |
| Nov 27, 2026 | 30 | 11 | 27 | 22 | 0.81 | $146.00 |
| Dec 18, 2026 | 289 | 169 | 50,489 | 28,939 | 0.57 | $120.00 |
| Jan 15, 2027 | 513 | 406 | 60,453 | 58,334 | 0.96 | $115.00 |
| Mar 19, 2027 | 106 | 149 | 23,604 | 16,459 | 0.70 | $115.00 |
| Apr 16, 2027 | 25 | 122 | 2,405 | 2,636 | 1.10 | $130.00 |
| Jun 17, 2027 | 1,847 | 212 | 31,957 | 22,036 | 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 | $147.39 | +3.8% | 5.33M |
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