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BlackRock, Inc. (blk)

2025-07-25 15:59:59 ET (Delayed)
Bid: 
1123.55
Ask: 
1126.5
Vol: 
516,326
Last: 
1,123.28
Change: 
+4.91 (+0.4371%)
Filters By:
Volume:
All
Expiration Type:
All
Options Range:
Near the Money
Size:
3
Expiration:
2025 August
 
Options Chain
Total Records: 30
Calls
(EXPR: Fri Aug 01 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
14.26
+0.71
11.6
19.3
2
0.19
0.6082
0.0142
51
BLK 1120.000
17.61
+5.61
12.2
16.4
9
0.19
0.5728
0.0146
8
BLK 1122.500
14
+3.15
8.4
12.5
25
0.17
0.5363
0.0148
21
BLK 1125.000
10.54
+0.89
9.7
11.2
7
0.17
0.4992
0.015
8
BLK 1127.500
10.9
+2.45
5.3
9.9
8
0.17
0.4617
0.015
1
BLK 1130.000
10
+2.4
4.5
8.9
6
0.17
0.4246
0.0148
15
Fri Aug 01 2025
Strike
BLK 1117.500
BLK 1120.000
BLK 1122.500
BLK 1125.000
BLK 1127.500
BLK 1130.000
Puts
(EXPR: Fri Aug 01 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
6.2
-5.25
7.1
8.2
4
0.17
-0.3985
0.0144
22
BLK 1120.000
7.5
-5.1
8
9.4
10
0.17
-0.4347
0.0149
9
BLK 1122.500
9.75
-4.15
8.6
10.5
6
0.17
-0.4719
0.0152
4
BLK 1125.000
10.4
-5.55
10.3
11.5
4
0.17
-0.51
0.0153
2
BLK 1127.500
11
-5.85
11.4
12.8
12
0.17
-0.5483
0.0153
0
BLK 1130.000
12
-6.3
10.6
17.2
4
0.17
-0.5863
0.0152
2
Calls
(EXPR: Fri Aug 08 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
22.9
+5.05
16.6
24
8
0.18
0.5916
0.0102
2
BLK 1120.000
20.5
+4.15
14.2
20.5
1
0.16
0.5661
0.0104
11
BLK 1122.500
7.3
+0
15.7
17.6
0
0.17
0.5401
0.0106
1
BLK 1125.000
18.2
+4.3
11.3
16
1
0.17
0.5137
0.0106
3
BLK 1127.500
14.3
+1.55
9
16.9
4
0.17
0.4871
0.0107
0
BLK 1130.000
12.1
+0.4
8
15.7
1
0.17
0.4605
0.0107
8
Fri Aug 08 2025
Strike
BLK 1117.500
BLK 1120.000
BLK 1122.500
BLK 1125.000
BLK 1127.500
BLK 1130.000
Puts
(EXPR: Fri Aug 08 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
12.5
-2.45
7.8
12.2
1
0.17
-0.4163
0.0105
0
BLK 1120.000
13.35
-2.8
11.9
13.2
3
0.17
-0.4424
0.0107
7
BLK 1122.500
12.3
-4.95
13
14.4
3
0.17
-0.4692
0.0108
0
BLK 1125.000
12.34
-6.36
13.9
15.6
2
0.17
-0.4963
0.0109
1
BLK 1127.500
14.4
-6.25
15.3
19.9
1
0.17
-0.5236
0.011
0
BLK 1130.000
15.7
-6
16.4
20.5
2
0.17
-0.5511
0.011
0
Calls
(EXPR: Fri Aug 15 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
21.57
+0
20.7
28.3
0
0.18
0.5881
0.0082
2
BLK 1120.000
25.65
+4.85
21.2
25.8
4
0.18
0.5676
0.0084
109
BLK 1122.500
20.4
+1.1
18
21.9
6
0.17
0.5468
0.0085
3
BLK 1125.000
20.3
+0
16.2
20.4
0
0.17
0.5256
0.0086
4
BLK 1130.000
19.1
+3.45
12.9
17.7
6
0.17
0.4828
0.0086
7
BLK 1135.000
16
+0
11.9
15.5
0
0.17
0.4398
0.0086
13
Fri Aug 15 2025
Strike
BLK 1117.500
BLK 1120.000
BLK 1122.500
BLK 1125.000
BLK 1130.000
BLK 1135.000
Puts
(EXPR: Fri Aug 15 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1117.500
13.4
-4.85
14
15.6
1
0.18
-0.4223
0.0085
3
BLK 1120.000
14.6
-4.7
15.2
16.6
12
0.18
-0.4436
0.0086
23
BLK 1122.500
17
-3.3
16.2
17.9
2
0.18
-0.4652
0.0088
0
BLK 1125.000
0
+0
17.2
19.1
0
0.18
-0.4872
0.0089
0
BLK 1130.000
17.75
-7.3
19.7
21.6
2
0.17
-0.5318
0.009
1
BLK 1135.000
20.6
-6.05
20.2
25.5
1
0.17
-0.5767
0.009
0
Calls
(EXPR: Fri Aug 22 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1100.000
38.95
+0
37.5
43.8
0
0.2
0.695
0.006
14
BLK 1110.000
33.4
+2.55
29.6
36.3
18
0.19
0.634
0.0066
39
BLK 1120.000
26
+1.15
25.2
31
1
0.19
0.5668
0.007
12
BLK 1130.000
24.22
+4.62
20.3
22
3
0.18
0.4956
0.0072
5
BLK 1140.000
15.4
+0.15
15.7
17.2
1
0.18
0.4234
0.0072
4
BLK 1150.000
12.05
+0
11.9
13.4
0
0.17
0.3535
0.0069
3
Fri Aug 22 2025
Strike
BLK 1100.000
BLK 1110.000
BLK 1120.000
BLK 1130.000
BLK 1140.000
BLK 1150.000
Puts
(EXPR: Fri Aug 22 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1100.000
10.3
-4.2
11.5
12.5
1
0.19
-0.3122
0.0062
36
BLK 1110.000
17.9
+0
14.5
15.9
0
0.18
-0.3752
0.0068
10
BLK 1120.000
20.2
+0
18.3
20.2
0
0.18
-0.445
0.0073
5
BLK 1130.000
27.5
+0
22.9
24.7
0
0.18
-0.5194
0.0076
1
BLK 1140.000
27.2
-6.25
26.6
31.4
1
0.17
-0.5954
0.0076
1
BLK 1150.000
53.59
+0
34.4
38.1
0
0.18
-0.6697
0.0073
6
Calls
(EXPR: Fri Aug 29 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1100.000
43
+0
39.2
47.4
0
0.19
0.6811
0.0054
5
BLK 1110.000
28.79
+0
35.6
40.8
0
0.2
0.6266
0.0058
6
BLK 1120.000
33.6
+5.3
29.6
34.8
5
0.2
0.5676
0.0062
5
BLK 1130.000
28.3
+5.4
23.8
25.5
2
0.18
0.5056
0.0063
10
BLK 1140.000
23
+4.55
19
20.7
3
0.18
0.4423
0.0063
37
BLK 1150.000
16.5
+0
15
16.4
0
0.18
0.3801
0.0062
40
Fri Aug 29 2025
Strike
BLK 1100.000
BLK 1110.000
BLK 1120.000
BLK 1130.000
BLK 1140.000
BLK 1150.000
Puts
(EXPR: Fri Aug 29 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
BLK 1100.000
14.65
-2.3
13.9
15.2
1
0.19
-0.3274
0.0056
1
BLK 1110.000
20.9
+0
17.1
18.5
0
0.19
-0.384
0.006
0
BLK 1120.000
22.1
-2.8
21
22.7
2
0.18
-0.4455
0.0064
7
BLK 1130.000
24.5
-5.4
25.6
27.3
1
0.18
-0.5107
0.0066
0
BLK 1140.000
28.9
-6.65
30.1
34
3
0.18
-0.5775
0.0067
0
BLK 1150.000
40.9
+0
36.2
40.8
0
0.18
-0.6437
0.0066
1
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