Delayed CBOE data, snapshot 2026-08-18. Spot $152.38.
Put/Call (OI)
0.58
1k P / 2k C
Put/Call (Volume)
0.04
5 P / 121 C today
30d ATM IV
22%
annualized implied move
Call wall
$170
590 contracts
Put wall
$150
459 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 | 836 | 618 | 0.74 | 11 |
| 2026-09-18 | 367 | 186 | 0.51 | 105 |
| 2026-10-16 | 371 | 241 | 0.65 | 9 |
| 2027-01-15 | 403 | 96 | 0.24 | 1 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.