Delayed CBOE data, snapshot 2026-08-13. Spot $113.33.
Put/Call (OI)
0.25
351 P / 1k C
Put/Call (Volume)
—
2 P / 0 C today
30d ATM IV
30%
annualized implied move
Call wall
$125
180 contracts
Put wall
$90
150 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 | 544 | 243 | 0.45 | 0 |
| 2026-09-18 | 133 | 15 | 0.11 | 0 |
| 2026-11-20 | 546 | 48 | 0.09 | 0 |
| 2027-02-19 | 190 | 45 | 0.24 | 2 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.