Delayed CBOE data, snapshot 2026-08-18. Spot $17.41.
Put/Call (OI)
0.12
355 P / 3k C
Put/Call (Volume)
0.62
21 P / 34 C today
30d ATM IV
28%
annualized implied move
Call wall
$17.5
1k contracts
Put wall
$12.5
45 contracts
Tail hedging
0.1×
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 | 650 | 32 | 0.05 | 7 |
| 2026-09-18 | 63 | 38 | 0.60 | 6 |
| 2026-10-16 | 1k | 71 | 0.05 | 7 |
| 2027-01-15 | 901 | 214 | 0.24 | 35 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.