Delayed CBOE data, snapshot 2026-08-18. Spot $155.8.
Put/Call (OI)
1.00
158k P / 157k C
Put/Call (Volume)
0.58
29k P / 50k C today
30d ATM IV
112%
annualized implied move
Call wall
$200
12k contracts
Put wall
$70
19k contracts
Tail hedging
2.1×
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 | 34k | 36k | 1.07 | 52k |
| 2026-08-28 | 7k | 7k | 0.99 | 7k |
| 2026-09-04 | 3k | 4k | 1.28 | 2k |
| 2026-09-11 | 1k | 2k | 1.72 | 2k |
| 2026-09-18 | 33k | 25k | 0.76 | 8k |
| 2026-09-25 | 1k | 715 | 0.54 | 851 |
| 2026-10-02 | 389 | 232 | 0.60 | 906 |
| 2026-12-18 | 16k | 9k | 0.57 | 2k |
| 2027-01-15 | 31k | 45k | 1.45 | 3k |
| 2027-03-19 | 2k | 834 | 0.37 | 299 |
| 2027-06-17 | 8k | 18k | 2.26 | 592 |
| 2028-01-21 | 14k | 8k | 0.57 | 474 |
| 2028-06-16 | 8k | 3k | 0.34 | 1k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.