Delayed CBOE data, snapshot 2026-08-18. Spot $129.
Put/Call (OI)
2.27
33k P / 14k C
Put/Call (Volume)
0.51
286 P / 566 C today
30d ATM IV
30%
annualized implied move
Call wall
$130
2k contracts
Put wall
$50
16k contracts
Tail hedging
7.5×
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 | 2k | 3k | 1.43 | 121 |
| 2026-08-28 | 325 | 86 | 0.26 | 7 |
| 2026-09-04 | 110 | 59 | 0.54 | 23 |
| 2026-09-11 | 1k | 93 | 0.08 | 136 |
| 2026-09-18 | 3k | 6k | 2.08 | 70 |
| 2026-09-25 | 49 | 10 | 0.20 | 8 |
| 2026-10-02 | 0 | 0 | — | 4 |
| 2026-10-16 | 1k | 387 | 0.31 | 41 |
| 2026-12-18 | 2k | 2k | 0.97 | 43 |
| 2027-01-15 | 3k | 4k | 1.15 | 193 |
| 2027-03-19 | 886 | 1k | 1.66 | 35 |
| 2027-06-17 | 69 | 153 | 2.22 | 19 |
| 2028-01-21 | 1k | 17k | 14.77 | 152 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.