Delayed CBOE data, snapshot 2026-08-17. Spot $57.7.
Put/Call (OI)
0.71
244k P / 343k C
Put/Call (Volume)
0.65
28k P / 42k C today
30d ATM IV
74%
annualized implied move
Call wall
$60
46k contracts
Put wall
$22
23k contracts
Tail hedging
2.4×
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 | 93k | 48k | 0.51 | 11k |
| 2026-08-28 | 9k | 11k | 1.15 | 31k |
| 2026-09-04 | 14k | 3k | 0.20 | 2k |
| 2026-09-11 | 2k | 775 | 0.33 | 591 |
| 2026-09-18 | 71k | 57k | 0.80 | 11k |
| 2026-09-25 | 2k | 3k | 1.96 | 256 |
| 2026-10-02 | 199 | 64 | 0.32 | 108 |
| 2026-11-20 | 16k | 8k | 0.50 | 7k |
| 2026-12-18 | 43k | 22k | 0.51 | 259 |
| 2027-01-15 | 50k | 43k | 0.86 | 2k |
| 2027-02-19 | 1k | 2k | 1.31 | 278 |
| 2027-03-19 | 12k | 35k | 2.89 | 3k |
| 2027-06-17 | 3k | 5k | 1.91 | 603 |
| 2028-01-21 | 27k | 7k | 0.25 | 536 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.