Delayed CBOE data, snapshot 2026-08-18. Spot $129.59.
Put/Call (OI)
0.57
33k P / 57k C
Put/Call (Volume)
1.00
977 P / 978 C today
30d ATM IV
47%
annualized implied move
Call wall
$145
9k contracts
Put wall
$95
3k contracts
Tail hedging
1.5×
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 | 9k | 8k | 0.95 | 578 |
| 2026-08-28 | 3k | 723 | 0.21 | 305 |
| 2026-09-04 | 639 | 201 | 0.31 | 225 |
| 2026-09-11 | 214 | 48 | 0.22 | 25 |
| 2026-09-18 | 15k | 6k | 0.42 | 388 |
| 2026-09-25 | 3 | 246 | 82.00 | 45 |
| 2026-10-02 | 0 | 11 | — | 14 |
| 2026-11-20 | 1k | 1k | 0.99 | 46 |
| 2026-12-18 | 3k | 2k | 0.55 | 258 |
| 2027-01-15 | 21k | 11k | 0.51 | 57 |
| 2027-02-19 | 52 | 30 | 0.58 | 0 |
| 2027-03-19 | 523 | 1k | 1.95 | 0 |
| 2027-06-17 | 1k | 242 | 0.21 | 8 |
| 2028-01-21 | 2k | 2k | 0.86 | 6 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.