Delayed CBOE data, snapshot 2026-08-18. Spot $81.83.
Put/Call (OI)
0.68
5k P / 8k C
Put/Call (Volume)
0.27
55 P / 201 C today
30d ATM IV
24%
annualized implied move
Call wall
$82.5
1k contracts
Put wall
$55
518 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 | 3k | 932 | 0.27 | 99 |
| 2026-09-18 | 2k | 2k | 0.91 | 108 |
| 2026-11-20 | 1k | 730 | 0.53 | 38 |
| 2026-12-18 | 807 | 2k | 2.12 | 1 |
| 2027-02-19 | 41 | 62 | 1.51 | 0 |
| 2027-03-19 | 219 | 177 | 0.81 | 9 |
| 2027-06-17 | 56 | 25 | 0.45 | 1 |
| 2027-12-17 | 6 | 7 | 1.17 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.