Delayed CBOE data, snapshot 2026-08-18. Spot $148.45.
Put/Call (OI)
0.58
9k P / 16k C
Put/Call (Volume)
0.18
35 P / 199 C today
30d ATM IV
37%
annualized implied move
Call wall
$150
3k contracts
Put wall
$140
1k contracts
Tail hedging
4.4×
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 |
|---|---|---|---|---|
| 2026-08-21 | 4k | 3k | 0.64 | 140 |
| 2026-09-18 | 5k | 3k | 0.55 | 69 |
| 2026-10-16 | 1k | 196 | 0.17 | 6 |
| 2026-11-20 | 594 | 224 | 0.38 | 4 |
| 2026-12-18 | 496 | 277 | 0.56 | 1 |
| 2027-01-15 | 3k | 2k | 0.57 | 1 |
| 2027-02-19 | 21 | 11 | 0.52 | 0 |
| 2027-03-19 | 755 | 807 | 1.07 | 5 |
| 2027-06-17 | 273 | 253 | 0.93 | 8 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.