Delayed CBOE data, snapshot 2026-08-18. Spot $105.47.
Put/Call (OI)
0.73
896k P / 1.2M C
Put/Call (Volume)
0.80
99k P / 124k C today
30d ATM IV
78%
annualized implied move
Call wall
$110
106k contracts
Put wall
$70
63k contracts
Tail hedging
1.0×
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 | 210k | 149k | 0.71 | 102k |
| 2026-08-28 | 23k | 16k | 0.69 | 19k |
| 2026-09-04 | 10k | 23k | 2.30 | 5k |
| 2026-09-11 | 6k | 6k | 1.03 | 8k |
| 2026-09-18 | 270k | 129k | 0.48 | 23k |
| 2026-09-25 | 3k | 4k | 1.38 | 16k |
| 2026-10-02 | 309 | 152 | 0.49 | 2k |
| 2026-10-16 | 107k | 72k | 0.68 | 10k |
| 2026-11-20 | 50k | 41k | 0.82 | 3k |
| 2026-12-18 | 69k | 72k | 1.04 | 3k |
| 2027-01-15 | 164k | 139k | 0.85 | 8k |
| 2027-02-19 | 4k | 4k | 0.97 | 956 |
| 2027-03-19 | 27k | 33k | 1.23 | 3k |
| 2027-06-17 | 32k | 60k | 1.90 | 4k |
| 2027-09-17 | 17k | 10k | 0.62 | 296 |
| 2027-12-17 | 30k | 22k | 0.75 | 2k |
| 2028-01-21 | 131k | 50k | 0.38 | 8k |
| 2028-06-16 | 26k | 20k | 0.75 | 113 |
| 2028-12-15 | 55k | 47k | 0.86 | 8k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.