Delayed CBOE data, snapshot 2026-08-18. Spot $23.35.
Put/Call (OI)
1.39
26k P / 18k C
Put/Call (Volume)
0.00
0 P / 22 C today
30d ATM IV
16%
annualized implied move
Call wall
$25
7k contracts
Put wall
$20
16k contracts
Tail hedging
2.5×
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 | 1k | 6k | 5.73 | 3 |
| 2026-09-18 | 1k | 16k | 12.33 | 9 |
| 2026-10-16 | 21 | 144 | 6.86 | 6 |
| 2026-12-18 | 975 | 490 | 0.50 | 0 |
| 2027-01-15 | 12k | 2k | 0.19 | 0 |
| 2027-03-19 | 46 | 49 | 1.07 | 1 |
| 2028-01-21 | 3k | 478 | 0.15 | 3 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.