Delayed CBOE data, snapshot 2026-08-18. Spot $179.76.
Put/Call (OI)
0.36
3k P / 10k C
Put/Call (Volume)
0.03
13 P / 470 C today
30d ATM IV
21%
annualized implied move
Call wall
$180
1k contracts
Put wall
$150
504 contracts
Tail hedging
1.4×
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 | 0.52 | 191 |
| 2026-09-18 | 1k | 738 | 0.56 | 11 |
| 2026-11-20 | 2k | 193 | 0.11 | 199 |
| 2027-01-15 | 4k | 1k | 0.33 | 82 |
| 2027-02-19 | 326 | 17 | 0.05 | 0 |
| 2027-05-21 | 1 | 0 | 0.00 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.