Delayed CBOE data, snapshot 2026-08-18. Spot $135.28.
Put/Call (OI)
0.70
60k P / 86k C
Put/Call (Volume)
0.27
2k P / 6k C today
30d ATM IV
78%
annualized implied move
Call wall
$180
8k contracts
Put wall
$67.5
10k 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.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 26k | 10k | 0.38 | 5k |
| 2026-08-28 | 3k | 5k | 1.55 | 493 |
| 2026-09-04 | 873 | 764 | 0.88 | 59 |
| 2026-09-11 | 72 | 2k | 32.99 | 55 |
| 2026-09-18 | 3k | 3k | 1.08 | 2k |
| 2026-09-25 | 58 | 104 | 1.79 | 32 |
| 2026-10-02 | 32 | 0 | 0.00 | 11 |
| 2026-10-16 | 15k | 8k | 0.53 | 226 |
| 2026-11-20 | 5k | 985 | 0.20 | 93 |
| 2026-12-18 | 2k | 312 | 0.15 | 33 |
| 2027-01-15 | 17k | 10k | 0.57 | 37 |
| 2027-02-19 | 38 | 87 | 2.29 | 5 |
| 2027-03-19 | 535 | 432 | 0.81 | 4 |
| 2027-05-21 | 41 | 16 | 0.39 | 1 |
| 2027-06-17 | 249 | 94 | 0.38 | 13 |
| 2027-08-20 | 209 | 18 | 0.09 | 7 |
| 2027-11-19 | 29 | 0 | 0.00 | 0 |
| 2027-12-17 | 6k | 931 | 0.15 | 3 |
| 2028-01-21 | 8k | 19k | 2.58 | 11 |
| 2028-12-15 | 948 | 240 | 0.25 | 3 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.