Delayed CBOE data, snapshot 2026-08-18. Spot $384.88.
Put/Call (OI)
1.34
4k P / 3k C
Put/Call (Volume)
0.27
58 P / 213 C today
30d ATM IV
30%
annualized implied move
Call wall
$430
523 contracts
Put wall
$370
858 contracts
Tail hedging
1.2×
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 | 784 | 2k | 2.35 | 201 |
| 2026-09-18 | 212 | 237 | 1.12 | 15 |
| 2026-10-16 | 820 | 1k | 1.56 | 40 |
| 2026-11-20 | 453 | 380 | 0.84 | 4 |
| 2027-01-15 | 832 | 419 | 0.50 | 11 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.