Delayed CBOE data, snapshot 2026-08-19. Spot $90.98.
Put/Call (OI)
1.08
29k P / 27k C
Put/Call (Volume)
0.14
50 P / 354 C today
30d ATM IV
25%
annualized implied move
Call wall
$100
5k contracts
Put wall
$60
8k contracts
Tail hedging
4.7×
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 | 8k | 10k | 1.25 | 63 |
| 2026-09-18 | 7k | 2k | 0.27 | 285 |
| 2026-11-20 | 4k | 545 | 0.15 | 44 |
| 2026-12-18 | 2k | 2k | 0.89 | 2 |
| 2027-01-15 | 4k | 13k | 3.07 | 10 |
| 2027-02-19 | 106 | 23 | 0.22 | 0 |
| 2027-03-19 | 497 | 319 | 0.64 | 0 |
| 2027-06-17 | 108 | 339 | 3.14 | 0 |
| 2028-01-21 | 893 | 862 | 0.97 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.