Delayed CBOE data, snapshot 2026-08-18. Spot $195.14.
Put/Call (OI)
0.44
3k P / 7k C
Put/Call (Volume)
0.29
26 P / 90 C today
30d ATM IV
30%
annualized implied move
Call wall
$240
1k contracts
Put wall
$170
835 contracts
Tail hedging
0.7×
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 | 2k | 1k | 0.76 | 65 |
| 2026-09-18 | 187 | 228 | 1.22 | 14 |
| 2026-10-16 | 2k | 779 | 0.35 | 9 |
| 2027-01-15 | 2k | 718 | 0.29 | 18 |
| 2028-01-21 | 483 | 186 | 0.39 | 10 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.