Delayed CBOE data, snapshot 2026-08-18. Spot $125.13.
Put/Call (OI)
0.99
41k P / 41k C
Put/Call (Volume)
0.89
504 P / 565 C today
30d ATM IV
19%
annualized implied move
Call wall
$130
5k contracts
Put wall
$100
6k contracts
Tail hedging
9.4×
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 | 5k | 4k | 0.83 | 65 |
| 2026-09-18 | 9k | 7k | 0.75 | 336 |
| 2026-12-18 | 8k | 6k | 0.73 | 419 |
| 2027-01-15 | 10k | 13k | 1.27 | 54 |
| 2027-03-19 | 3k | 2k | 0.59 | 27 |
| 2027-06-17 | 2k | 4k | 1.79 | 98 |
| 2027-12-17 | 1k | 2k | 1.70 | 14 |
| 2028-01-21 | 3k | 3k | 1.23 | 56 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.