Delayed CBOE data, snapshot 2026-08-18. Spot $79.21.
Put/Call (OI)
3.40
59k P / 17k C
Put/Call (Volume)
6.86
9k P / 1k C today
30d ATM IV
18%
annualized implied move
Call wall
$90
7k contracts
Put wall
$60
25k contracts
Tail hedging
6.2×
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 | 4k | 2k | 0.56 | 29 |
| 2026-09-18 | 3k | 4k | 1.49 | 3k |
| 2026-11-20 | 1k | 15k | 14.67 | 1 |
| 2026-12-18 | 841 | 17k | 20.28 | 20 |
| 2027-01-15 | 7k | 16k | 2.29 | 7 |
| 2027-03-19 | 1k | 4k | 3.95 | 8k |
| 2027-06-17 | 844 | 933 | 1.11 | 8 |
| 2027-09-17 | 49 | 76 | 1.55 | 0 |
| 2027-12-17 | 34 | 307 | 9.03 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.