Delayed CBOE data, snapshot 2026-08-18. Spot $16.27.
Put/Call (OI)
0.45
47k P / 103k C
Put/Call (Volume)
0.24
85 P / 351 C today
30d ATM IV
32%
annualized implied move
Call wall
$17
9k contracts
Put wall
$15
17k contracts
Tail hedging
0.6×
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 | 23k | 2.43 | 73 |
| 2026-09-18 | 2k | 1k | 0.82 | 85 |
| 2026-10-16 | 11k | 3k | 0.24 | 162 |
| 2027-01-15 | 75k | 19k | 0.25 | 94 |
| 2028-01-21 | 6k | 1k | 0.17 | 22 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.