Delayed CBOE data, snapshot 2026-08-18. Spot $218.77.
Put/Call (OI)
0.56
13k P / 23k C
Put/Call (Volume)
0.18
470 P / 3k C today
30d ATM IV
70%
annualized implied move
Call wall
$300
4k contracts
Put wall
$160
3k contracts
Tail hedging
0.6×
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 | 16k | 6k | 0.40 | 870 |
| 2026-09-18 | 2k | 3k | 1.44 | 2k |
| 2026-11-20 | 1k | 1k | 0.90 | 48 |
| 2027-01-15 | 3k | 2k | 0.72 | 11 |
| 2027-02-19 | 50 | 37 | 0.74 | 6 |
| 2027-03-19 | 56 | 7 | 0.13 | 0 |
| 2027-06-17 | 73 | 26 | 0.36 | 0 |
| 2027-09-17 | 330 | 325 | 0.98 | 0 |
| 2027-12-17 | 21 | 22 | 1.05 | 1 |
| 2028-01-21 | 671 | 389 | 0.58 | 22 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.