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Merck & Co., Inc. (mrk)

2025-08-08 15:59:59 ET (Delayed)
Bid: 
80.5
Ask: 
81.1
Vol: 
6,882,690
Last: 
80.69
Change: 
+0.32 (+0.3966%)
Filters By:
Volume:
All
Expiration Type:
All
Options Range:
Near the Money
Size:
3
Expiration:
2025 August
 
Options Chain
Total Records: 18
Calls
(EXPR: Fri Aug 15 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
3.13
+0.21
3.05
3.2
60
0.28
0.8119
0.0825
291
MRK 79.000
2.31
+0.105
2.3
2.39
31
0.28
0.7195
0.1052
674
MRK 80.000
1.69
+0.105
1.67
1.78
128
0.28
0.6059
0.1221
6762
MRK 81.000
1.14
+0.04
1.12
1.22
462
0.29
0.4801
0.1282
820
MRK 82.000
0.72
+0
0.7
0.77
483
0.28
0.3543
0.1214
1531
MRK 83.000
0.42
-0.03
0.41
0.49
891
0.27
0.2423
0.1029
2748
Fri Aug 15 2025
Strike
MRK 78.000
MRK 79.000
MRK 80.000
MRK 81.000
MRK 82.000
MRK 83.000
Puts
(EXPR: Fri Aug 15 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
0.38
-0.19
0.33
0.37
87
0.29
-0.1894
0.0832
523
MRK 79.000
0.56
-0.255
0.55
0.64
387
0.29
-0.2827
0.1062
1449
MRK 80.000
0.9
-0.315
0.89
0.97
264
0.29
-0.3976
0.1234
10076
MRK 81.000
1.31
-0.45
1.32
1.43
63
0.28
-0.5248
0.1297
910
MRK 82.000
1.92
-0.485
1.85
2.06
40
0.28
-0.6522
0.123
464
MRK 83.000
2.72
-0.38
2.54
2.73
42
0.28
-0.7659
0.1043
749
Calls
(EXPR: Fri Aug 22 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
3.67
+0.295
3.5
3.6
1
0.29
0.7482
0.0705
121
MRK 79.000
2.77
+0.075
2.79
3
5
0.28
0.6728
0.0809
91
MRK 80.000
2.23
+0.095
2.17
2.3
24
0.28
0.5881
0.0883
315
MRK 81.000
1.68
+0.025
1.62
1.7
22
0.27
0.498
0.0917
243
MRK 82.000
1.22
+0.015
1.18
1.24
40
0.27
0.4068
0.0904
194
MRK 83.000
0.87
-0.005
0.82
0.88
71
0.27
0.3193
0.0842
348
Fri Aug 22 2025
Strike
MRK 78.000
MRK 79.000
MRK 80.000
MRK 81.000
MRK 82.000
MRK 83.000
Puts
(EXPR: Fri Aug 22 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
0.72
-0.205
0.67
0.72
21
0.29
-0.2542
0.0712
331
MRK 79.000
0.97
-0.275
0.96
1.01
28
0.28
-0.3305
0.0818
284
MRK 80.000
1.39
-0.265
1.33
1.39
21
0.28
-0.4162
0.0894
117
MRK 81.000
1.66
-0.52
1.78
1.85
23
0.27
-0.5076
0.093
134
MRK 82.000
2.21
-0.575
2.34
2.41
24
0.27
-0.6004
0.0919
393
MRK 83.000
2.97
-0.455
2.97
3.1
10
0.27
-0.6897
0.0861
103
Calls
(EXPR: Fri Aug 29 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
4.1
+0
3.85
3.95
0
0.28
0.7219
0.0622
15
MRK 79.000
3.4
+0.325
3.15
3.3
4
0.27
0.6562
0.0691
129
MRK 80.000
2.73
+0.22
2.55
2.73
13
0.27
0.5846
0.074
108
MRK 81.000
2.18
+0.195
2.02
2.1
54
0.27
0.5093
0.0765
87
MRK 82.000
1.58
+0.025
1.54
1.64
11
0.26
0.4331
0.0762
194
MRK 83.000
1.3
+0.105
1.16
1.23
18
0.26
0.3587
0.0731
189
Fri Aug 29 2025
Strike
MRK 78.000
MRK 79.000
MRK 80.000
MRK 81.000
MRK 82.000
MRK 83.000
Puts
(EXPR: Fri Aug 29 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
MRK 78.000
0.97
-0.23
0.95
0.99
48
0.28
-0.282
0.0632
97
MRK 79.000
1.21
-0.255
1.26
1.3
3
0.28
-0.3488
0.0702
132
MRK 80.000
1.62
-0.34
1.46
1.69
5
0.27
-0.4217
0.0753
232
MRK 81.000
2.16
-0.285
1.97
2.15
17
0.27
-0.4984
0.078
44
MRK 82.000
2.72
-0.33
2.46
2.7
6
0.27
-0.5764
0.0779
65
MRK 83.000
3.2
-0.5
3.2
3.35
1
0.26
-0.6527
0.0751
21
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