Delayed CBOE data, snapshot 2026-08-17. Spot $146.71.
Put/Call (OI)
0.80
1.4M P / 1.7M C
Put/Call (Volume)
0.57
73k P / 126k C today
30d ATM IV
69%
annualized implied move
Call wall
$200
139k contracts
Put wall
$120
98k contracts
Tail hedging
0.6×
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 | 362k | 205k | 0.57 | 79k |
| 2026-08-28 | 44k | 28k | 0.63 | 16k |
| 2026-09-04 | 27k | 15k | 0.54 | 5k |
| 2026-09-11 | 11k | 7k | 0.60 | 7k |
| 2026-09-18 | 316k | 188k | 0.60 | 14k |
| 2026-09-25 | 7k | 17k | 2.59 | 1k |
| 2026-10-02 | 235 | 463 | 1.97 | 858 |
| 2026-10-16 | 129k | 88k | 0.68 | 29k |
| 2026-11-20 | 78k | 71k | 0.90 | 7k |
| 2026-12-18 | 171k | 134k | 0.78 | 13k |
| 2027-01-15 | 237k | 220k | 0.93 | 8k |
| 2027-03-19 | 76k | 101k | 1.32 | 4k |
| 2027-06-17 | 90k | 105k | 1.16 | 4k |
| 2027-09-17 | 14k | 14k | 1.02 | 496 |
| 2027-10-15 | 6k | 8k | 1.41 | 346 |
| 2027-12-17 | 38k | 51k | 1.32 | 316 |
| 2028-01-21 | 112k | 113k | 1.01 | 2k |
| 2028-09-15 | 21k | 27k | 1.26 | 5k |
| 2028-12-15 | 7k | 7k | 1.02 | 2k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.