Blackrock BLK
$1,178.87 +$8.20 (+0.70%)
Market closed · Nov 7, 9:10 am ET · Last extended-hours $1,176.59 -0.19%
Open$1,157.78
Prev close$1,170.67
Day range$1,155.52 – $1,195.19
Volume521.4K
Market cap$182.05B
P/E (TTM)26.8
Dividend yield1.90%
Average implied volatility across the listed chain right now: 35%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $1,180.00 | $29.15 | $18.50/$22.20 | 2 | 5 | 35% |
| 13 Nov 2026 | $1,175.00 | $26.80 | $20.70/$26.60 | 2 | 32 | 36% |
| 13 Nov 2026 | $1,185.00 | $19.19 | $15.70/$20.20 | 6 | 3 | 35% |
| 13 Nov 2026 | $1,170.00 | $31.90 | $22.20/$29.70 | 1 | 132 | 35% |
| 13 Nov 2026 | $1,190.00 | $16.17 | $12.20/$18.30 | 50 | 24 | 34% |
| 13 Nov 2026 | $1,165.00 | $32.08 | $26.70/$31.90 | 2 | 4 | 36% |
| 13 Nov 2026 | $1,195.00 | $18.00 | $10.10/$15.80 | 3 | 15 | 33% |
| 13 Nov 2026 | $1,162.50 | $33.09 | $26.90/$33.60 | 0 | 0 | 35% |
| 13 Nov 2026 | $1,160.00 | $41.79 | $28.90/$35.60 | 11 | 20 | 36% |
| 13 Nov 2026 | $1,200.00 | $16.30 | $8.30/$13.30 | 3 | 12 | 33% |
| 13 Nov 2026 | $1,157.50 | $37.61 | $30.30/$37.50 | 2 | 8 | 36% |
| 13 Nov 2026 | $1,155.00 | $37.66 | $33.10/$39.00 | 0 | 5 | 37% |
| 13 Nov 2026 | $1,205.00 | $12.74 | $6.80/$13.20 | 1 | 130 | 34% |
| 13 Nov 2026 | $1,152.50 | $39.48 | $33.70/$41.00 | 0 | 0 | 36% |
| 13 Nov 2026 | $1,150.00 | $44.20 | $35.50/$42.80 | 2 | 48 | 36% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $1,180.00 | $17.65 | $17.30/$24.50 | 2 | 4 | 35% |
| 13 Nov 2026 | $1,175.00 | $17.01 | $14.80/$21.00 | 1 | 19 | 34% |
| 13 Nov 2026 | $1,185.00 | $22.53 | $20.00/$25.70 | 1 | 1 | 34% |
| 13 Nov 2026 | $1,170.00 | $25.00 | $13.20/$19.40 | 0 | 10 | 35% |
| 13 Nov 2026 | $1,190.00 | $25.56 | $23.00/$30.00 | 12 | 9 | 35% |
| 13 Nov 2026 | $1,165.00 | $23.03 | $10.70/$15.60 | 0 | 38 | 34% |
| 13 Nov 2026 | $1,195.00 | $38.92 | $26.00/$31.70 | 0 | 74 | 34% |
| 13 Nov 2026 | $1,162.50 | $22.05 | $11.40/$15.70 | 0 | 67 | 36% |
| 13 Nov 2026 | $1,160.00 | $13.20 | $10.00/$15.10 | 10 | 129 | 36% |
| 13 Nov 2026 | $1,200.00 | $42.18 | $29.10/$35.00 | 0 | 4 | 34% |
| 13 Nov 2026 | $1,157.50 | $15.30 | $8.60/$14.70 | 3 | 14 | 36% |
| 13 Nov 2026 | $1,155.00 | $19.11 | $8.30/$12.10 | 0 | 20 | 35% |
| 13 Nov 2026 | $1,205.00 | $45.44 | $32.40/$39.50 | 0 | 3 | 35% |
| 13 Nov 2026 | $1,152.50 | $18.42 | $7.60/$11.20 | 0 | 3 | 35% |
| 13 Nov 2026 | $1,150.00 | $17.73 | $7.00/$12.40 | 0 | 1 | 37% |
Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.
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