Delayed CBOE data, snapshot 2026-08-13. Spot $101.99.
Put/Call (OI)
1.12
103k P / 92k C
Put/Call (Volume)
0.42
1k P / 3k C today
30d ATM IV
54%
annualized implied move
Call wall
$105
11k contracts
Put wall
$65
11k contracts
Tail hedging
2.9×
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 2026-09-11. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 19k | 15k | 0.79 | 2k |
| 2026-08-28 | 918 | 1k | 1.34 | 176 |
| 2026-09-04 | 495 | 2k | 3.05 | 26 |
| 2026-09-11 | 160 | 1k | 6.61 | 34 |
| 2026-09-18 | 13k | 12k | 0.87 | 496 |
| 2026-09-25 | 36 | 30 | 0.83 | 30 |
| 2026-10-02 | 0 | 0 | — | 0 |
| 2026-11-20 | 3k | 11k | 3.78 | 43 |
| 2026-12-18 | 7k | 7k | 1.01 | 27 |
| 2027-01-15 | 25k | 34k | 1.36 | 188 |
| 2027-02-19 | 404 | 72 | 0.18 | 3 |
| 2027-03-19 | 1k | 376 | 0.26 | 2 |
| 2027-06-17 | 135 | 280 | 2.07 | 3 |
| 2027-08-20 | 9k | 9k | 0.99 | 8 |
| 2027-12-17 | 4k | 6k | 1.58 | 39 |
| 2028-01-21 | 4k | 1k | 0.33 | 14 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.