Delayed CBOE data, snapshot 2026-08-18. Spot $1,417.42.
Put/Call (OI)
0.18
617 P / 3k C
Put/Call (Volume)
6.00
6 P / 1 C today
30d ATM IV
26%
annualized implied move
Call wall
$1,500
508 contracts
Put wall
$1,300
59 contracts
Tail hedging
0.1×
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 | 127 | 89 | 0.70 | 1 |
| 2026-09-18 | 23 | 24 | 1.04 | 4 |
| 2026-10-16 | 268 | 89 | 0.33 | 2 |
| 2026-11-20 | 1k | 179 | 0.13 | 0 |
| 2027-01-15 | 672 | 34 | 0.05 | 0 |
| 2027-05-21 | 220 | 2 | 0.01 | 0 |
| 2027-08-20 | 2 | 0 | 0.00 | 0 |
| 2027-11-19 | 2 | 0 | 0.00 | 0 |
| 2027-12-17 | 839 | 200 | 0.24 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.