Delayed CBOE data, snapshot 2026-08-18. Spot $82.04.
Put/Call (OI)
0.39
1k P / 3k C
Put/Call (Volume)
0.02
19 P / 965 C today
30d ATM IV
31%
annualized implied move
Call wall
$85
1k contracts
Put wall
$70
445 contracts
Tail hedging
42.6×
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 | 2k | 120 | 0.06 | 965 |
| 2026-09-18 | 20 | 37 | 1.85 | 2 |
| 2026-10-16 | 457 | 305 | 0.67 | 17 |
| 2026-12-18 | 271 | 678 | 2.50 | 0 |
| 2027-01-15 | 431 | 49 | 0.11 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.