Delayed CBOE data, snapshot 2026-08-18. Spot $13.75.
Put/Call (OI)
0.56
291k P / 518k C
Put/Call (Volume)
0.24
4k P / 15k C today
30d ATM IV
57%
annualized implied move
Call wall
$15
135k contracts
Put wall
$7.5
112k contracts
Tail hedging
1.5×
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 | 162k | 36k | 0.23 | 4k |
| 2026-08-28 | 4k | 3k | 0.87 | 1k |
| 2026-09-04 | 1k | 718 | 0.51 | 874 |
| 2026-09-11 | 3k | 933 | 0.37 | 367 |
| 2026-09-18 | 48k | 3k | 0.06 | 7k |
| 2026-09-25 | 5k | 476 | 0.09 | 613 |
| 2026-10-02 | 113 | 7 | 0.06 | 180 |
| 2026-11-20 | 17k | 13k | 0.72 | 1k |
| 2026-12-18 | 141k | 135k | 0.96 | 231 |
| 2027-01-15 | 65k | 44k | 0.67 | 459 |
| 2027-02-19 | 2k | 1k | 0.69 | 327 |
| 2027-03-19 | 6k | 5k | 0.76 | 60 |
| 2027-05-21 | 2k | 2k | 1.12 | 8 |
| 2027-06-17 | 10k | 17k | 1.61 | 520 |
| 2027-09-17 | 7k | 2k | 0.34 | 14 |
| 2027-12-17 | 19k | 9k | 0.47 | 7 |
| 2028-01-21 | 26k | 19k | 0.72 | 255 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.