Delayed CBOE data, snapshot 2026-08-18. Spot $52.38.
Put/Call (OI)
0.95
11k P / 11k C
Put/Call (Volume)
10.75
3k P / 287 C today
30d ATM IV
30%
annualized implied move
Call wall
$55
2k contracts
Put wall
$45
2k contracts
Tail hedging
3.3×
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.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 4k | 4k | 1.17 | 131 |
| 2026-09-18 | 994 | 1k | 1.15 | 3k |
| 2026-10-16 | 3k | 2k | 0.84 | 47 |
| 2027-01-15 | 3k | 1k | 0.46 | 99 |
| 2028-01-21 | 982 | 2k | 1.77 | 16 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.