Delayed CBOE data, snapshot 2026-08-18. Spot $208.8.
Put/Call (OI)
0.83
44k P / 52k C
Put/Call (Volume)
0.20
419 P / 2k C today
30d ATM IV
37%
annualized implied move
Call wall
$220
3k contracts
Put wall
$170
4k 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 | 12k | 7k | 0.63 | 2k |
| 2026-08-28 | 923 | 404 | 0.44 | 39 |
| 2026-09-04 | 199 | 119 | 0.60 | 8 |
| 2026-09-11 | 25 | 37 | 1.48 | 5 |
| 2026-09-18 | 19k | 13k | 0.68 | 154 |
| 2026-09-25 | 33 | 352 | 10.67 | 1 |
| 2026-10-02 | 1 | 4 | 4.00 | 7 |
| 2026-12-18 | 6k | 6k | 1.02 | 278 |
| 2027-01-15 | 8k | 11k | 1.38 | 76 |
| 2027-03-19 | 1k | 3k | 2.17 | 166 |
| 2027-06-17 | 670 | 189 | 0.28 | 5 |
| 2028-01-21 | 4k | 1k | 0.33 | 2 |
| 2028-06-16 | 599 | 912 | 1.52 | 0 |
| 2028-12-15 | 595 | 318 | 0.53 | 14 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.