BlackRock Inc. (BLK)
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, 2024IV High
45.96% on Aug 08, 2025Open Interest (OI)
Today's Open Interest
28,822Put-Call Ratio
1.45Put Open Interest
17,047Call Open Interest
11,775Open Interest Avg (30-day)
26,351Today vs Open Interest Avg (30-day)
109.38%Option Volume
Today's Volume
3,342Put-Call Ratio
4.65Put Volume
2,751Call Volume
591Volume Avg (30-day)
692Today 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 |