Delayed CBOE data, snapshot 2026-08-18. Spot $77.16.
Put/Call (OI)
0.47
8k P / 18k C
Put/Call (Volume)
0.20
218 P / 1k C today
30d ATM IV
22%
annualized implied move
Call wall
$80
4k contracts
Put wall
$50
2k contracts
Tail hedging
2.3×
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 | 8k | 2k | 0.19 | 45 |
| 2026-09-18 | 3k | 1k | 0.50 | 96 |
| 2026-10-16 | 3k | 2k | 0.75 | 774 |
| 2027-01-15 | 3k | 3k | 0.97 | 284 |
| 2027-06-17 | 819 | 200 | 0.24 | 92 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.