Delayed CBOE data, snapshot 2026-08-18. Spot $283.37.
Put/Call (OI)
0.83
6k P / 7k C
Put/Call (Volume)
1.03
152 P / 147 C today
30d ATM IV
32%
annualized implied move
Call wall
$300
988 contracts
Put wall
$185
788 contracts
Tail hedging
2.3×
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 | 3k | 1.15 | 165 |
| 2026-09-18 | 1k | 925 | 0.82 | 61 |
| 2026-11-20 | 1k | 324 | 0.30 | 57 |
| 2027-01-15 | 1k | 1k | 0.79 | 12 |
| 2027-02-19 | 227 | 190 | 0.84 | 1 |
| 2027-12-17 | 395 | 95 | 0.24 | 3 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.