Delayed CBOE data, snapshot 2026-08-18. Spot $61.18.
Put/Call (OI)
0.88
13k P / 15k C
Put/Call (Volume)
0.41
128 P / 315 C today
30d ATM IV
25%
annualized implied move
Call wall
$67.5
3k contracts
Put wall
$47.5
4k contracts
Tail hedging
1.0×
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 | 2k | 0.89 | 238 |
| 2026-09-18 | 4k | 4k | 0.88 | 23 |
| 2026-10-16 | 1k | 3k | 2.29 | 0 |
| 2026-11-20 | 2k | 489 | 0.32 | 1 |
| 2026-12-18 | 1k | 849 | 0.81 | 56 |
| 2027-01-15 | 3k | 674 | 0.22 | 65 |
| 2027-02-19 | 40 | 76 | 1.90 | 0 |
| 2027-03-19 | 307 | 1k | 3.51 | 0 |
| 2027-06-17 | 182 | 194 | 1.07 | 60 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.