Delayed CBOE data, snapshot 2026-08-18. Spot $90.38.
Put/Call (OI)
0.73
49k P / 67k C
Put/Call (Volume)
0.43
588 P / 1k C today
30d ATM IV
39%
annualized implied move
Call wall
$100
12k contracts
Put wall
$50
17k 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 | 14k | 27k | 2.00 | 277 |
| 2026-09-18 | 13k | 5k | 0.39 | 834 |
| 2026-10-16 | 2k | 1k | 0.53 | 98 |
| 2026-11-20 | 2k | 912 | 0.44 | 88 |
| 2026-12-18 | 2k | 980 | 0.62 | 18 |
| 2027-01-15 | 20k | 8k | 0.41 | 130 |
| 2027-02-19 | 248 | 174 | 0.70 | 12 |
| 2027-03-19 | 9k | 2k | 0.20 | 3 |
| 2027-06-17 | 259 | 238 | 0.92 | 10 |
| 2028-01-21 | 4k | 3k | 0.73 | 457 |
| 2028-06-16 | 9 | 2 | 0.22 | 0 |
| 2028-12-15 | 150 | 122 | 0.81 | 16 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.