Delayed CBOE data, snapshot 2026-08-18. Spot $105.17.
Put/Call (OI)
0.25
361 P / 1k C
Put/Call (Volume)
0.69
33 P / 48 C today
30d ATM IV
24%
annualized implied move
Call wall
$110
909 contracts
Put wall
$100
71 contracts
Tail hedging
0.4×
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 | 164 | 209 | 1.27 | 24 |
| 2026-09-18 | 817 | 61 | 0.07 | 36 |
| 2026-10-16 | 332 | 41 | 0.12 | 5 |
| 2027-01-15 | 109 | 50 | 0.46 | 16 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.