Delayed CBOE data, snapshot 2026-08-18. Spot $48.18.
Put/Call (OI)
0.36
72k P / 198k C
Put/Call (Volume)
0.44
3k P / 8k C today
30d ATM IV
50%
annualized implied move
Call wall
$60
40k contracts
Put wall
$42
8k contracts
Tail hedging
0.3×
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 | 37k | 21k | 0.56 | 3k |
| 2026-08-28 | 2k | 2k | 0.97 | 654 |
| 2026-09-04 | 1k | 767 | 0.69 | 797 |
| 2026-09-11 | 926 | 621 | 0.67 | 337 |
| 2026-09-18 | 7k | 8k | 1.21 | 2k |
| 2026-09-25 | 325 | 1k | 3.36 | 411 |
| 2026-10-02 | 43 | 20 | 0.47 | 115 |
| 2026-10-16 | 17k | 9k | 0.51 | 1k |
| 2026-11-20 | 9k | 9k | 0.97 | 482 |
| 2027-01-15 | 72k | 12k | 0.16 | 1k |
| 2027-03-19 | 7k | 2k | 0.31 | 86 |
| 2027-06-17 | 1k | 2k | 1.55 | 898 |
| 2028-01-21 | 45k | 6k | 0.13 | 342 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.