Delayed CBOE data, snapshot 2026-08-14. Spot $20.07.
Put/Call (OI)
1.37
103k P / 76k C
Put/Call (Volume)
1.32
3k P / 2k C today
30d ATM IV
14%
annualized implied move
Call wall
$22
12k contracts
Put wall
$10
21k contracts
Tail hedging
14.0×
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 | 12k | 7k | 0.53 | 850 |
| 2026-09-18 | 18k | 32k | 1.79 | 3k |
| 2026-12-18 | 10k | 12k | 1.22 | 302 |
| 2027-01-15 | 25k | 38k | 1.49 | 374 |
| 2027-03-19 | 1k | 1k | 0.98 | 54 |
| 2028-01-21 | 9k | 14k | 1.57 | 283 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.