Delayed CBOE data, snapshot 2026-08-18. Spot $157.19.
Put/Call (OI)
0.71
78k P / 109k C
Put/Call (Volume)
1.10
3k P / 2k C today
30d ATM IV
60%
annualized implied move
Call wall
$165
5k contracts
Put wall
$130
6k contracts
Tail hedging
3.2×
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 | 24k | 15k | 0.62 | 1k |
| 2026-08-28 | 2k | 1k | 0.76 | 1k |
| 2026-09-04 | 788 | 1k | 1.46 | 160 |
| 2026-09-11 | 462 | 403 | 0.87 | 435 |
| 2026-09-18 | 30k | 27k | 0.89 | 1k |
| 2026-09-25 | 175 | 138 | 0.79 | 34 |
| 2026-10-02 | 7 | 58 | 8.29 | 5 |
| 2026-10-16 | 4k | 3k | 0.63 | 167 |
| 2026-11-20 | 127 | 599 | 4.72 | 156 |
| 2026-12-18 | 7k | 5k | 0.69 | 142 |
| 2027-01-15 | 26k | 14k | 0.53 | 268 |
| 2027-03-19 | 3k | 2k | 0.59 | 44 |
| 2027-06-17 | 5k | 1k | 0.22 | 22 |
| 2028-01-21 | 7k | 8k | 1.22 | 124 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.