Delayed CBOE data, snapshot 2026-08-17. Spot $416.13.
Put/Call (OI)
0.98
818 P / 835 C
Put/Call (Volume)
0.33
19 P / 58 C today
30d ATM IV
33%
annualized implied move
Call wall
$590
76 contracts
Put wall
$400
95 contracts
Tail hedging
0.2×
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 | 230 | 217 | 0.94 | 37 |
| 2026-09-18 | 242 | 214 | 0.88 | 19 |
| 2026-12-18 | 267 | 339 | 1.27 | 21 |
| 2027-03-19 | 96 | 48 | 0.50 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.