Delayed CBOE data, snapshot 2026-08-18. Spot $81.85.
Put/Call (OI)
0.37
15k P / 41k C
Put/Call (Volume)
0.17
193 P / 1k C today
30d ATM IV
18%
annualized implied move
Call wall
$85
10k contracts
Put wall
$70
3k contracts
Tail hedging
0.8×
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 | 15k | 4k | 0.28 | 558 |
| 2026-09-18 | 10k | 4k | 0.36 | 121 |
| 2026-11-20 | 3k | 446 | 0.15 | 84 |
| 2026-12-18 | 2k | 1k | 0.48 | 4 |
| 2027-01-15 | 7k | 3k | 0.50 | 330 |
| 2027-02-19 | 151 | 74 | 0.49 | 50 |
| 2027-03-19 | 2k | 1k | 0.59 | 12 |
| 2027-06-17 | 152 | 35 | 0.23 | 28 |
| 2028-01-21 | 1k | 1k | 0.95 | 138 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.