Delayed CBOE data, snapshot 2026-08-17. Spot $76.05.
Put/Call (OI)
0.82
2.5M P / 3.1M C
Put/Call (Volume)
0.52
90k P / 173k C today
30d ATM IV
32%
annualized implied move
Call wall
$100
262k contracts
Put wall
$5
186k contracts
Tail hedging
0.7×
deep-OTM puts vs calls
All expiries combined. Amber lines mark the call and put walls; the dashed line is spot.
At-the-money implied volatility per expiry.
IV by strike — expiry 2026-09-18. A steep left side = expensive downside protection.
Daily ATM IV (~30 DTE bucket) collected since March 2026. Rising IV into an event = the market bracing; collapsing IV after = the crush.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 526k | 268k | 0.51 | 117k |
| 2026-08-28 | 40k | 20k | 0.49 | 23k |
| 2026-09-04 | 20k | 9k | 0.43 | 8k |
| 2026-09-11 | 10k | 4k | 0.43 | 5k |
| 2026-09-18 | 436k | 249k | 0.57 | 44k |
| 2026-09-25 | 6k | 3k | 0.49 | 4k |
| 2026-10-02 | 2k | 506 | 0.26 | 3k |
| 2026-10-16 | 154k | 88k | 0.57 | 11k |
| 2026-11-20 | 91k | 130k | 1.42 | 7k |
| 2026-12-18 | 275k | 341k | 1.24 | 9k |
| 2027-01-15 | 797k | 823k | 1.03 | 16k |
| 2027-03-19 | 107k | 68k | 0.63 | 3k |
| 2027-06-17 | 148k | 209k | 1.41 | 4k |
| 2027-12-17 | 157k | 96k | 0.61 | 3k |
| 2028-01-21 | 195k | 111k | 0.57 | 3k |
| 2028-06-16 | 42k | 25k | 0.60 | 3k |
| 2028-12-15 | 80k | 75k | 0.94 | 2k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.