Delayed CBOE data, snapshot 2026-08-17. Spot $392.38.
Put/Call (OI)
1.08
1.1M P / 1.0M C
Put/Call (Volume)
0.71
120k P / 168k C today
30d ATM IV
49%
annualized implied move
Call wall
$500
64k contracts
Put wall
$300
60k 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.
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 |
|---|---|---|---|---|
| 2026-08-19 | 7k | 5k | 0.79 | 25k |
| 2026-08-21 | 153k | 134k | 0.88 | 48k |
| 2026-08-24 | 3k | 4k | 1.50 | 4k |
| 2026-08-26 | 1k | 2k | 2.38 | 1k |
| 2026-08-28 | 27k | 27k | 0.99 | 14k |
| 2026-08-31 | 0 | 0 | — | 2k |
| 2026-09-04 | 21k | 23k | 1.11 | 14k |
| 2026-09-11 | 15k | 18k | 1.16 | 7k |
| 2026-09-18 | 149k | 181k | 1.22 | 20k |
| 2026-09-25 | 3k | 12k | 4.25 | 2k |
| 2026-10-02 | 668 | 5k | 6.84 | 1k |
| 2026-10-16 | 94k | 69k | 0.74 | 5k |
| 2026-11-20 | 35k | 55k | 1.57 | 4k |
| 2026-12-18 | 88k | 104k | 1.18 | 6k |
| 2027-01-15 | 146k | 148k | 1.02 | 6k |
| 2027-02-19 | 4k | 10k | 2.30 | 2k |
| 2027-03-19 | 39k | 55k | 1.43 | 2k |
| 2027-06-17 | 55k | 68k | 1.24 | 2k |
| 2027-09-17 | 15k | 15k | 1.02 | 1k |
| 2027-12-17 | 54k | 37k | 0.69 | 186 |
| 2028-01-21 | 54k | 68k | 1.26 | 1k |
| 2028-06-16 | 6k | 6k | 1.16 | 354 |
| 2028-12-15 | 29k | 40k | 1.39 | 710 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.