Delayed CBOE data, snapshot 2026-08-18. Spot $428.02.
Put/Call (OI)
0.37
451 P / 1k C
Put/Call (Volume)
0.07
3 P / 41 C today
30d ATM IV
25%
annualized implied move
Call wall
$460
102 contracts
Put wall
$250
36 contracts
Tail hedging
1.5×
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 | 108 | 131 | 1.21 | 8 |
| 2026-09-18 | 208 | 124 | 0.60 | 1 |
| 2026-10-16 | 60 | 14 | 0.23 | 2 |
| 2026-11-20 | 36 | 31 | 0.86 | 1 |
| 2026-12-18 | 315 | 121 | 0.38 | 31 |
| 2027-03-19 | 248 | 10 | 0.04 | 1 |
| 2027-06-17 | 1 | 4 | 4.00 | 0 |
| 2027-12-17 | 247 | 16 | 0.06 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.