Delayed CBOE data, snapshot 2026-08-18. Spot $80.
Put/Call (OI)
1.10
22k P / 20k C
Put/Call (Volume)
0.28
49 P / 176 C today
30d ATM IV
42%
annualized implied move
Call wall
$90
2k contracts
Put wall
$45
8k contracts
Tail hedging
2.6×
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.
Daily ATM IV (~30 DTE bucket) collected since March 2026. Rising IV into an event = the market bracing; collapsing IV after = the crush.
| Expiry | Call OI | Put OI | P/C | Volume today |
|---|---|---|---|---|
| 2026-08-21 | 7k | 5k | 0.68 | 130 |
| 2026-09-18 | 729 | 444 | 0.61 | 41 |
| 2026-11-20 | 3k | 1k | 0.45 | 7 |
| 2027-01-15 | 7k | 15k | 2.19 | 0 |
| 2027-02-19 | 392 | 20 | 0.05 | 14 |
| 2027-03-19 | 13 | 3 | 0.23 | 23 |
| 2027-05-21 | 30 | 0 | 0.00 | 0 |
| 2027-08-20 | 11 | 0 | 0.00 | 0 |
| 2027-11-19 | 7 | 0 | 0.00 | 0 |
| 2028-01-21 | 2k | 707 | 0.37 | 3 |
| 2028-12-15 | 135 | 4 | 0.03 | 7 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.