Delayed CBOE data, snapshot 2026-08-13. Spot $46.08.
Put/Call (OI)
0.52
6k P / 11k C
Put/Call (Volume)
0.05
63 P / 1k C today
30d ATM IV
23%
annualized implied move
Call wall
$50
5k contracts
Put wall
$45
1k contracts
Tail hedging
0.9×
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 | 2k | 2k | 1.06 | 245 |
| 2026-09-18 | 3k | 1k | 0.31 | 486 |
| 2026-12-18 | 1k | 316 | 0.23 | 60 |
| 2027-01-15 | 3k | 2k | 0.64 | 45 |
| 2027-03-19 | 167 | 306 | 1.83 | 1 |
| 2028-01-21 | 1k | 217 | 0.15 | 446 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.