Delayed CBOE data, snapshot 2026-08-18. Spot $86.8.
Put/Call (OI)
0.74
464k P / 629k C
Put/Call (Volume)
1.53
26k P / 17k C today
30d ATM IV
41%
annualized implied move
Call wall
$90
52k contracts
Put wall
$80
72k contracts
Tail hedging
0.3×
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 | 75k | 53k | 0.71 | 16k |
| 2026-08-28 | 9k | 19k | 2.00 | 7k |
| 2026-09-04 | 6k | 6k | 0.91 | 1k |
| 2026-09-11 | 858 | 6k | 6.83 | 524 |
| 2026-09-18 | 125k | 79k | 0.64 | 6k |
| 2026-09-25 | 893 | 2k | 1.94 | 307 |
| 2026-10-02 | 35 | 32 | 0.91 | 62 |
| 2026-10-16 | 35k | 37k | 1.06 | 2k |
| 2026-11-20 | 15k | 16k | 1.08 | 4k |
| 2026-12-18 | 70k | 60k | 0.86 | 2k |
| 2027-01-15 | 124k | 81k | 0.65 | 2k |
| 2027-03-19 | 28k | 38k | 1.36 | 908 |
| 2027-06-17 | 82k | 53k | 0.65 | 1k |
| 2027-09-17 | 315 | 50 | 0.16 | 105 |
| 2028-01-21 | 57k | 14k | 0.25 | 247 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.