Delayed CBOE data, snapshot 2026-08-18. Spot $27.83.
Put/Call (OI)
0.55
68k P / 123k C
Put/Call (Volume)
0.36
1k P / 3k C today
30d ATM IV
45%
annualized implied move
Call wall
$35
22k contracts
Put wall
$25
11k contracts
Tail hedging
0.8×
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 | 24k | 14k | 0.59 | 1k |
| 2026-08-28 | 2k | 642 | 0.38 | 379 |
| 2026-09-04 | 436 | 204 | 0.47 | 326 |
| 2026-09-11 | 188 | 72 | 0.38 | 25 |
| 2026-09-18 | 7k | 3k | 0.51 | 334 |
| 2026-09-25 | 130 | 25 | 0.19 | 77 |
| 2026-10-02 | 0 | 4 | — | 17 |
| 2026-10-16 | 1k | 234 | 0.18 | 465 |
| 2026-11-20 | 17k | 10k | 0.57 | 120 |
| 2027-01-15 | 52k | 31k | 0.60 | 507 |
| 2027-02-19 | 625 | 2k | 3.06 | 34 |
| 2027-05-21 | 183 | 123 | 0.67 | 18 |
| 2027-08-20 | 130 | 374 | 2.88 | 2 |
| 2027-11-19 | 42 | 0 | 0.00 | 19 |
| 2028-01-21 | 20k | 6k | 0.31 | 403 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.