Delayed CBOE data, snapshot 2026-08-18. Spot $719.61.
Put/Call (OI)
1.72
34k P / 20k C
Put/Call (Volume)
0.75
2k P / 3k C today
30d ATM IV
43%
annualized implied move
Call wall
$740
879 contracts
Put wall
$560
5k contracts
Tail hedging
5.6×
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 | 6k | 12k | 2.02 | 2k |
| 2026-09-18 | 4k | 14k | 3.66 | 3k |
| 2026-10-16 | 869 | 639 | 0.74 | 348 |
| 2026-11-20 | 1k | 1k | 0.86 | 369 |
| 2026-12-18 | 3k | 1k | 0.49 | 100 |
| 2027-01-15 | 3k | 3k | 1.02 | 51 |
| 2027-02-19 | 249 | 207 | 0.83 | 8 |
| 2027-03-19 | 611 | 392 | 0.64 | 18 |
| 2027-06-17 | 345 | 585 | 1.70 | 39 |
| 2028-01-21 | 1k | 963 | 0.75 | 374 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.