BlackRock Inc.

NYSE: BLK · Real-Time Price · USD
1137.63
2.62 (0.23%)
At close: Aug 18, 2025, 1:04 PM

BLK Option Overview

Overview for all option chains of BLK. As of August 17, 2025, BLK options have an IV of 40.82% and an IV rank of 74.17%. The volume is 3,342 contracts, which is 482.95% of average daily volume of 692 contracts. The volume put-call ratio is 4.65, indicating a bearish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
40.82%
IV Rank
74.17%
Historical Volatility
27.14%
IV Low
26.07% on Aug 19, 2024
IV High
45.96% on Aug 08, 2025

Open Interest (OI)

Today's Open Interest
28,822
Put-Call Ratio
1.45
Put Open Interest
17,047
Call Open Interest
11,775
Open Interest Avg (30-day)
26,351
Today vs Open Interest Avg (30-day)
109.38%

Option Volume

Today's Volume
3,342
Put-Call Ratio
4.65
Put Volume
2,751
Call Volume
591
Volume Avg (30-day)
692
Today vs Volume Avg (30-day)
482.95%

Option Chain Statistics

This table provides a comprehensive overview of all BLK options grouped by their expiration dates.

Expiration Call Vol Put Vol P/C Vol Call OI Put OI P/C OI Implied Volatility Max Pain
Aug 22, 2025 148 223 1.51 330 503 1.52 42.39% 1120
Aug 29, 2025 71 100 1.41 420 443 1.05 32.02% 1120
Sep 05, 2025 84 66 0.79 142 108 0.76 44.73% 1120
Sep 12, 2025 13 43 3.31 28 30 1.07 39.25% 1090
Sep 19, 2025 105 170 1.62 2,992 2,816 0.94 42.12% 1010
Sep 26, 2025 2 36 18 13 35 2.69 31.01% 1170
Oct 17, 2025 48 1,046 21.79 992 2,208 2.23 33.28% 1050
Nov 21, 2025 21 10 0.48 90 32 0.36 24.23% 1070
Dec 19, 2025 1 5 5 22 18 0.82 23.97% 1120
Jan 16, 2026 44 1,000 22.73 3,366 7,509 2.23 34.09% 1000
Mar 20, 2026 18 14 0.78 547 694 1.27 29.25% 1000
Apr 17, 2026 0 1 0 0 0 0 23.15% 1010
Jun 18, 2026 0 25 0 672 782 1.16 30.72% 1020
Sep 18, 2026 0 0 0 62 175 2.82 28.06% 1100
Dec 18, 2026 0 0 0 662 593 0.9 30.22% 980
Jan 15, 2027 36 12 0.33 1,437 1,101 0.77 28.88% 950