Delayed CBOE data, snapshot 2026-08-18. Spot $49.24.
Put/Call (OI)
0.38
38k P / 102k C
Put/Call (Volume)
0.24
483 P / 2k C today
30d ATM IV
29%
annualized implied move
Call wall
$50
27k contracts
Put wall
$30
10k contracts
Tail hedging
2.2×
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 | 10k | 4k | 0.40 | 753 |
| 2026-08-28 | 368 | 776 | 2.11 | 190 |
| 2026-09-04 | 163 | 71 | 0.44 | 40 |
| 2026-09-11 | 62 | 36 | 0.58 | 20 |
| 2026-09-18 | 29k | 8k | 0.28 | 264 |
| 2026-09-25 | 289 | 83 | 0.29 | 55 |
| 2026-10-02 | 13 | 1 | 0.08 | 11 |
| 2026-10-16 | 455 | 221 | 0.49 | 14 |
| 2026-12-18 | 4k | 1k | 0.37 | 458 |
| 2027-01-15 | 52k | 16k | 0.31 | 626 |
| 2027-03-19 | 202 | 32 | 0.16 | 3 |
| 2028-01-21 | 5k | 7k | 1.52 | 62 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.