Delayed CBOE data, snapshot 2026-08-18. Spot $164.43.
Put/Call (OI)
0.61
4k P / 6k C
Put/Call (Volume)
0.83
208 P / 251 C today
30d ATM IV
20%
annualized implied move
Call wall
$195
2k contracts
Put wall
$155
679 contracts
Tail hedging
0.2×
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.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 5k | 2k | 0.54 | 446 |
| 2026-09-18 | 877 | 1k | 1.23 | 7 |
| 2026-10-16 | 126 | 3 | 0.02 | 0 |
| 2026-12-18 | 371 | 97 | 0.26 | 1 |
| 2027-03-19 | 15 | 7 | 0.47 | 5 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.