Delayed CBOE data, snapshot 2026-08-18. Spot $51.16.
Put/Call (OI)
0.91
2k P / 2k C
Put/Call (Volume)
2.00
4 P / 2 C today
30d ATM IV
17%
annualized implied move
Call wall
$75
602 contracts
Put wall
$45
1k contracts
Tail hedging
1.1×
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 | 100 | 401 | 4.01 | 0 |
| 2026-09-18 | 1k | 1k | 1.23 | 4 |
| 2026-10-16 | 2 | 1 | 0.50 | 1 |
| 2026-12-18 | 700 | 17 | 0.02 | 0 |
| 2027-03-19 | 26 | 0 | 0.00 | 1 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.