Delayed CBOE data, snapshot 2026-08-18. Spot $63.55.
Put/Call (OI)
0.68
14k P / 21k C
Put/Call (Volume)
0.94
89 P / 95 C today
30d ATM IV
35%
annualized implied move
Call wall
$65
7k contracts
Put wall
$55
6k contracts
Tail hedging
1.5×
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 | 4k | 4k | 0.88 | 122 |
| 2026-09-18 | 1k | 853 | 0.85 | 23 |
| 2026-10-16 | 9k | 7k | 0.78 | 31 |
| 2027-01-15 | 6k | 2k | 0.29 | 3 |
| 2027-03-19 | 59 | 13 | 0.22 | 2 |
| 2027-05-21 | 10 | 4 | 0.40 | 0 |
| 2027-08-20 | 4 | 77 | 19.25 | 2 |
| 2027-11-19 | 10 | 75 | 7.50 | 1 |
| 2028-01-21 | 1k | 1k | 1.12 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.