Delayed CBOE data, snapshot 2026-08-18. Spot $108.99.
Put/Call (OI)
0.39
4k P / 11k C
Put/Call (Volume)
0.10
24 P / 233 C today
30d ATM IV
17%
annualized implied move
Call wall
$115
3k contracts
Put wall
$95
742 contracts
Tail hedging
0.5×
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 | 0.37 | 13 |
| 2026-09-18 | 621 | 262 | 0.42 | 139 |
| 2026-11-20 | 2k | 465 | 0.21 | 12 |
| 2027-01-15 | 3k | 1k | 0.48 | 81 |
| 2027-02-19 | 154 | 20 | 0.13 | 10 |
| 2028-01-21 | 658 | 581 | 0.88 | 2 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.