Delayed CBOE data, snapshot 2026-08-18. Spot $70.16.
Put/Call (OI)
0.88
554k P / 630k C
Put/Call (Volume)
1.63
42k P / 26k C today
30d ATM IV
54%
annualized implied move
Call wall
$120
68k contracts
Put wall
$50
40k 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 | 182k | 128k | 0.70 | 31k |
| 2026-08-28 | 8k | 7k | 0.96 | 7k |
| 2026-09-04 | 4k | 2k | 0.48 | 436 |
| 2026-09-11 | 893 | 830 | 0.93 | 1k |
| 2026-09-18 | 105k | 75k | 0.71 | 19k |
| 2026-09-25 | 363 | 461 | 1.27 | 197 |
| 2026-10-02 | 154 | 78 | 0.51 | 475 |
| 2026-11-20 | 38k | 46k | 1.19 | 6k |
| 2026-12-18 | 60k | 91k | 1.53 | 345 |
| 2027-01-15 | 119k | 103k | 0.87 | 2k |
| 2027-02-19 | 760 | 4k | 5.77 | 55 |
| 2027-03-19 | 26k | 26k | 0.97 | 258 |
| 2027-06-17 | 38k | 39k | 1.02 | 179 |
| 2028-01-21 | 48k | 33k | 0.68 | 234 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.