Delayed CBOE data, snapshot 2026-08-18. Spot $11.62.
Put/Call (OI)
2.09
679k P / 325k C
Put/Call (Volume)
1.37
9k P / 6k C today
30d ATM IV
41%
annualized implied move
Call wall
$13
50k contracts
Put wall
$11
131k contracts
Tail hedging
1.8×
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 | 45k | 218k | 4.87 | 3k |
| 2026-08-28 | 2k | 61k | 28.89 | 695 |
| 2026-09-04 | 691 | 583 | 0.84 | 100 |
| 2026-09-11 | 2k | 914 | 0.45 | 125 |
| 2026-09-18 | 22k | 102k | 4.66 | 3k |
| 2026-09-25 | 855 | 153 | 0.18 | 101 |
| 2026-10-02 | 4 | 6 | 1.50 | 9 |
| 2026-10-16 | 41k | 39k | 0.94 | 800 |
| 2026-11-20 | 17k | 18k | 1.08 | 1k |
| 2026-12-18 | 15k | 4k | 0.27 | 698 |
| 2027-01-15 | 64k | 116k | 1.83 | 4k |
| 2027-02-19 | 11k | 15k | 1.32 | 614 |
| 2027-05-21 | 0 | 0 | — | 16 |
| 2027-08-20 | 0 | 0 | — | 50 |
| 2027-11-19 | 0 | 0 | — | 0 |
| 2028-01-21 | 105k | 104k | 0.99 | 562 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.