Delayed CBOE data, snapshot 2026-08-18. Spot $67.63.
Put/Call (OI)
0.26
488 P / 2k C
Put/Call (Volume)
0.22
22 P / 98 C today
30d ATM IV
24%
annualized implied move
Call wall
$70
1k contracts
Put wall
$50
135 contracts
Tail hedging
1.8×
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 | 153 | 36 | 0.24 | 20 |
| 2026-09-18 | 1k | 262 | 0.20 | 75 |
| 2026-12-18 | 395 | 170 | 0.43 | 12 |
| 2027-03-19 | 41 | 20 | 0.49 | 13 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.