Delayed CBOE data, snapshot 2026-08-18. Spot $75.61.
Put/Call (OI)
0.57
9k P / 16k C
Put/Call (Volume)
0.62
63 P / 102 C today
30d ATM IV
18%
annualized implied move
Call wall
$85
5k contracts
Put wall
$70
6k contracts
Tail hedging
0.1×
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 | 6k | 4k | 0.68 | 53 |
| 2026-09-18 | 3k | 4k | 1.48 | 92 |
| 2026-11-20 | 5k | 514 | 0.11 | 12 |
| 2026-12-18 | 579 | 49 | 0.08 | 0 |
| 2027-01-15 | 2k | 779 | 0.37 | 7 |
| 2027-03-19 | 420 | 38 | 0.09 | 1 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.