Delayed CBOE data, snapshot 2026-08-18. Spot $30.28.
Put/Call (OI)
0.35
16k P / 47k C
Put/Call (Volume)
1.17
584 P / 498 C today
30d ATM IV
23%
annualized implied move
Call wall
$33
14k contracts
Put wall
$29
2k contracts
Tail hedging
0.5×
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 | 18k | 2k | 0.12 | 340 |
| 2026-09-18 | 13k | 6k | 0.44 | 434 |
| 2026-10-16 | 3k | 2k | 0.69 | 59 |
| 2026-12-18 | 2k | 1k | 0.51 | 83 |
| 2027-01-15 | 8k | 4k | 0.46 | 73 |
| 2027-03-19 | 686 | 546 | 0.80 | 16 |
| 2027-06-17 | 222 | 314 | 1.41 | 19 |
| 2028-01-21 | 2k | 1k | 0.53 | 58 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.