Delayed CBOE data, snapshot 2026-08-18. Spot $31.95.
Put/Call (OI)
0.94
8k P / 8k C
Put/Call (Volume)
0.02
3 P / 121 C today
30d ATM IV
22%
annualized implied move
Call wall
$32.5
2k contracts
Put wall
$25
5k contracts
Tail hedging
109.5×
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 | 2k | 991 | 0.47 | 12 |
| 2026-09-18 | 726 | 4k | 5.36 | 2 |
| 2026-10-16 | 2k | 2k | 1.01 | 107 |
| 2026-12-18 | 3k | 1k | 0.34 | 2 |
| 2027-01-15 | 751 | 330 | 0.44 | 1 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.