Delayed CBOE data, snapshot 2026-08-18. Spot $85.44.
Put/Call (OI)
1.03
57k P / 55k C
Put/Call (Volume)
0.84
3k P / 4k C today
30d ATM IV
45%
annualized implied move
Call wall
$95
7k contracts
Put wall
$80
10k contracts
Tail hedging
1.9×
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 | 11k | 14k | 1.23 | 5k |
| 2026-08-28 | 2k | 1k | 0.65 | 330 |
| 2026-09-04 | 310 | 138 | 0.45 | 79 |
| 2026-09-11 | 154 | 70 | 0.45 | 20 |
| 2026-09-18 | 10k | 11k | 1.03 | 1k |
| 2026-09-25 | 35 | 49 | 1.40 | 44 |
| 2026-10-02 | 0 | 0 | — | 1 |
| 2026-10-16 | 2k | 2k | 0.84 | 64 |
| 2026-12-18 | 6k | 6k | 0.90 | 651 |
| 2027-01-15 | 14k | 9k | 0.65 | 23 |
| 2027-03-19 | 4k | 4k | 1.13 | 101 |
| 2027-06-17 | 666 | 528 | 0.79 | 31 |
| 2028-01-21 | 4k | 9k | 2.29 | 28 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.