Delayed CBOE data, snapshot 2026-08-18. Spot $246.98.
Put/Call (OI)
0.37
738 P / 2k C
Put/Call (Volume)
0.05
1 P / 20 C today
30d ATM IV
19%
annualized implied move
Call wall
$270
402 contracts
Put wall
$230
311 contracts
Tail hedging
2.7×
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 | 342 | 640 | 1.87 | 13 |
| 2026-09-18 | 12 | 17 | 1.42 | 5 |
| 2026-10-16 | 110 | 40 | 0.36 | 0 |
| 2026-11-20 | 10 | 13 | 1.30 | 0 |
| 2027-01-15 | 2k | 28 | 0.02 | 3 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.