Delayed CBOE data, snapshot 2026-08-18. Spot $92.4.
Put/Call (OI)
0.79
50k P / 62k C
Put/Call (Volume)
0.27
757 P / 3k C today
30d ATM IV
18%
annualized implied move
Call wall
$100
16k contracts
Put wall
$75
7k contracts
Tail hedging
1.3×
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.
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 | 15k | 11k | 0.75 | 664 |
| 2026-08-28 | 2k | 327 | 0.18 | 194 |
| 2026-09-04 | 1k | 43 | 0.03 | 74 |
| 2026-09-11 | 98 | 53 | 0.54 | 79 |
| 2026-09-18 | 17k | 14k | 0.87 | 1k |
| 2026-09-25 | 98 | 96 | 0.98 | 7 |
| 2026-10-02 | 6 | 10 | 1.67 | 9 |
| 2026-11-20 | 6k | 4k | 0.73 | 160 |
| 2026-12-18 | 3k | 4k | 1.55 | 99 |
| 2027-01-15 | 10k | 9k | 0.90 | 1k |
| 2027-02-19 | 325 | 135 | 0.42 | 19 |
| 2027-03-19 | 5k | 5k | 0.95 | 24 |
| 2027-06-17 | 639 | 303 | 0.47 | 27 |
| 2028-01-21 | 3k | 731 | 0.25 | 14 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.