Delayed CBOE data, snapshot 2026-08-18. Spot $24.08.
Put/Call (OI)
0.52
19k P / 37k C
Put/Call (Volume)
1.78
513 P / 288 C today
30d ATM IV
24%
annualized implied move
Call wall
$27
12k contracts
Put wall
$23
6k 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.
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 | 6k | 5k | 0.83 | 208 |
| 2026-09-18 | 3k | 4k | 1.21 | 478 |
| 2026-10-16 | 3k | 3k | 0.96 | 30 |
| 2027-01-15 | 16k | 6k | 0.37 | 38 |
| 2028-01-21 | 9k | 2k | 0.17 | 47 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.