Delayed CBOE data, snapshot 2026-08-18. Spot $58.61.
Put/Call (OI)
0.61
18k P / 29k C
Put/Call (Volume)
0.77
640 P / 831 C today
30d ATM IV
23%
annualized implied move
Call wall
$60
6k contracts
Put wall
$50
4k 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 | 10k | 3k | 0.30 | 651 |
| 2026-09-18 | 5k | 4k | 0.77 | 532 |
| 2026-10-16 | 936 | 1k | 1.20 | 22 |
| 2026-12-18 | 2k | 2k | 1.14 | 97 |
| 2027-01-15 | 9k | 5k | 0.61 | 159 |
| 2027-03-19 | 681 | 761 | 1.12 | 5 |
| 2027-06-17 | 231 | 115 | 0.50 | 4 |
| 2028-01-21 | 1k | 1k | 0.87 | 1 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.