Delayed CBOE data, snapshot 2026-08-18. Spot $87.71.
Put/Call (OI)
0.49
5k P / 10k C
Put/Call (Volume)
0.48
16 P / 33 C today
30d ATM IV
27%
annualized implied move
Call wall
$105
2k contracts
Put wall
$85
3k 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 | 3k | 3k | 0.96 | 10 |
| 2026-09-18 | 3k | 994 | 0.32 | 29 |
| 2026-11-20 | 2k | 451 | 0.18 | 6 |
| 2026-12-18 | 1k | 426 | 0.37 | 4 |
| 2027-03-19 | 50 | 6 | 0.12 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.