Delayed CBOE data, snapshot 2026-08-18. Spot $14.5.
Put/Call (OI)
0.30
232k P / 780k C
Put/Call (Volume)
0.11
8k P / 70k C today
30d ATM IV
51%
annualized implied move
Call wall
$18
109k contracts
Put wall
$13
34k contracts
Tail hedging
0.2×
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 | 85k | 41k | 0.48 | 9k |
| 2026-08-28 | 10k | 5k | 0.47 | 1k |
| 2026-09-04 | 10k | 1k | 0.12 | 1k |
| 2026-09-11 | 4k | 822 | 0.19 | 930 |
| 2026-09-18 | 221k | 60k | 0.27 | 7k |
| 2026-09-25 | 2k | 164 | 0.09 | 46 |
| 2026-10-02 | 8 | 3 | 0.38 | 150 |
| 2026-10-16 | 64k | 15k | 0.23 | 264 |
| 2026-11-20 | 44k | 1k | 0.03 | 393 |
| 2026-12-18 | 49k | 31k | 0.63 | 2k |
| 2027-01-15 | 127k | 52k | 0.41 | 4k |
| 2027-03-19 | 85k | 5k | 0.05 | 406 |
| 2027-06-17 | 48k | 8k | 0.16 | 129 |
| 2028-01-21 | 31k | 13k | 0.42 | 50k |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.