Delayed CBOE data, snapshot 2026-08-18. Spot $74.27.
Put/Call (OI)
1.10
127k P / 116k C
Put/Call (Volume)
1.13
5k P / 4k C today
30d ATM IV
66%
annualized implied move
Call wall
$100
15k contracts
Put wall
$50
11k contracts
Tail hedging
1.4×
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 | 30k | 26k | 0.86 | 4k |
| 2026-08-28 | 4k | 2k | 0.44 | 2k |
| 2026-09-04 | 1k | 2k | 1.27 | 556 |
| 2026-09-11 | 369 | 291 | 0.79 | 198 |
| 2026-09-18 | 22k | 17k | 0.74 | 1k |
| 2026-09-25 | 582 | 59 | 0.10 | 50 |
| 2026-10-02 | 304 | 12 | 0.04 | 6 |
| 2026-10-16 | 7k | 2k | 0.28 | 400 |
| 2026-11-20 | 5k | 11k | 2.14 | 277 |
| 2026-12-18 | 9k | 18k | 1.96 | 519 |
| 2027-01-15 | 24k | 31k | 1.32 | 149 |
| 2027-02-19 | 760 | 818 | 1.08 | 41 |
| 2027-03-19 | 3k | 3k | 1.11 | 78 |
| 2028-01-21 | 8k | 14k | 1.80 | 247 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.