Delayed CBOE data, snapshot 2026-08-18. Spot $86.53.
Put/Call (OI)
1.23
66k P / 54k C
Put/Call (Volume)
0.14
1k P / 9k C today
30d ATM IV
41%
annualized implied move
Call wall
$100
7k contracts
Put wall
$80
21k contracts
Tail hedging
0.4×
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 | 21k | 32k | 1.51 | 8k |
| 2026-08-28 | 762 | 863 | 1.13 | 506 |
| 2026-09-04 | 291 | 232 | 0.80 | 94 |
| 2026-09-11 | 174 | 242 | 1.39 | 121 |
| 2026-09-18 | 11k | 11k | 1.03 | 355 |
| 2026-09-25 | 140 | 86 | 0.61 | 25 |
| 2026-10-02 | 27 | 20 | 0.74 | 26 |
| 2026-11-20 | 2k | 3k | 2.03 | 152 |
| 2026-12-18 | 3k | 4k | 1.54 | 119 |
| 2027-01-15 | 10k | 10k | 1.01 | 103 |
| 2027-02-19 | 57 | 183 | 3.21 | 30 |
| 2027-03-19 | 1k | 915 | 0.86 | 16 |
| 2027-06-17 | 580 | 447 | 0.77 | 32 |
| 2028-01-21 | 4k | 2k | 0.48 | 356 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.