Delayed CBOE data, snapshot 2026-08-19. Spot $42.13.
Put/Call (OI)
0.99
22k P / 22k C
Put/Call (Volume)
7.38
753 P / 102 C today
30d ATM IV
23%
annualized implied move
Call wall
$48
4k contracts
Put wall
$35
8k contracts
Tail hedging
1.2×
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 | 9k | 3k | 0.37 | 152 |
| 2026-09-18 | 5k | 2k | 0.41 | 275 |
| 2026-10-16 | 5k | 15k | 2.72 | 220 |
| 2027-01-15 | 3k | 2k | 0.70 | 208 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.