Delayed CBOE data, snapshot 2026-08-18. Spot $11.62.
Put/Call (OI)
0.88
200k P / 226k C
Put/Call (Volume)
1.30
2k P / 1k C today
30d ATM IV
42%
annualized implied move
Call wall
$15
147k contracts
Put wall
$11
21k contracts
Tail hedging
0.2×
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 | 160k | 84k | 0.53 | 1k |
| 2026-09-18 | 32k | 37k | 1.16 | 1k |
| 2026-10-16 | 6k | 998 | 0.18 | 194 |
| 2026-11-20 | 624 | 1k | 2.17 | 3 |
| 2026-12-18 | 2k | 5k | 2.58 | 64 |
| 2027-01-15 | 20k | 52k | 2.59 | 25 |
| 2028-01-21 | 6k | 20k | 3.17 | 191 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.