Delayed CBOE data, snapshot 2026-08-18. Spot $359.83.
Put/Call (OI)
0.69
13k P / 18k C
Put/Call (Volume)
0.27
162 P / 607 C today
30d ATM IV
46%
annualized implied move
Call wall
$560
2k contracts
Put wall
$300
3k contracts
Tail hedging
0.3×
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 | 893 | 0.29 | 104 |
| 2026-09-18 | 652 | 844 | 1.29 | 211 |
| 2026-10-16 | 8k | 7k | 0.82 | 229 |
| 2027-01-15 | 6k | 4k | 0.66 | 225 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.