Delayed CBOE data, snapshot 2026-08-17. Spot $269.9.
Put/Call (OI)
0.95
694k P / 732k C
Put/Call (Volume)
1.23
136k P / 110k C today
30d ATM IV
98%
annualized implied move
Call wall
$300
40k contracts
Put wall
$120
39k contracts
Tail hedging
2.3×
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 | 171k | 176k | 1.03 | 150k |
| 2026-08-28 | 24k | 21k | 0.86 | 18k |
| 2026-09-04 | 10k | 10k | 0.99 | 12k |
| 2026-09-11 | 4k | 7k | 1.53 | 4k |
| 2026-09-18 | 89k | 135k | 1.53 | 21k |
| 2026-09-25 | 3k | 5k | 1.60 | 2k |
| 2026-10-02 | 310 | 886 | 2.86 | 827 |
| 2026-10-16 | 16k | 24k | 1.50 | 5k |
| 2026-11-20 | 22k | 22k | 1.01 | 4k |
| 2026-12-18 | 43k | 40k | 0.92 | 3k |
| 2027-01-15 | 161k | 168k | 1.04 | 14k |
| 2027-02-19 | 6k | 3k | 0.51 | 2k |
| 2027-03-19 | 22k | 24k | 1.08 | 979 |
| 2027-06-17 | 15k | 14k | 0.89 | 2k |
| 2027-12-17 | 20k | 19k | 0.94 | 3k |
| 2028-01-21 | 90k | 14k | 0.16 | 2k |
| 2028-06-16 | 3k | 3k | 0.98 | 840 |
| 2028-12-15 | 32k | 9k | 0.29 | 3k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.