Delayed CBOE data, snapshot 2026-08-18. Spot $98.53.
Put/Call (OI)
1.78
7k P / 4k C
Put/Call (Volume)
0.57
35 P / 61 C today
30d ATM IV
33%
annualized implied move
Call wall
$100
861 contracts
Put wall
$70
2k contracts
Tail hedging
10.3×
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.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 1k | 2k | 2.40 | 25 |
| 2026-09-18 | 2k | 3k | 1.70 | 24 |
| 2026-12-18 | 1k | 2k | 1.94 | 36 |
| 2027-03-19 | 447 | 101 | 0.23 | 11 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.