Delayed CBOE data, snapshot 2026-08-18. Spot $54.46.
Put/Call (OI)
0.52
20k P / 39k C
Put/Call (Volume)
0.93
187 P / 201 C today
30d ATM IV
30%
annualized implied move
Call wall
$60
13k contracts
Put wall
$50
7k contracts
Tail hedging
0.5×
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 | 5k | 3k | 0.63 | 83 |
| 2026-09-18 | 15k | 10k | 0.63 | 148 |
| 2026-12-18 | 4k | 2k | 0.60 | 100 |
| 2027-01-15 | 12k | 3k | 0.24 | 13 |
| 2027-03-19 | 1k | 1k | 1.33 | 27 |
| 2027-06-17 | 899 | 501 | 0.56 | 17 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.