Delayed CBOE data, snapshot 2026-08-18. Spot $1,799.2.
Put/Call (OI)
0.43
326 P / 758 C
Put/Call (Volume)
2.00
32 P / 16 C today
30d ATM IV
16%
annualized implied move
Call wall
$2,200
68 contracts
Put wall
$1,700
63 contracts
Tail hedging
0.0×
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 | 67 | 84 | 1.25 | 10 |
| 2026-09-18 | 17 | 62 | 3.65 | 6 |
| 2026-10-16 | 318 | 101 | 0.32 | 19 |
| 2027-01-15 | 299 | 54 | 0.18 | 6 |
| 2027-05-21 | 57 | 25 | 0.44 | 7 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.