As of previous close (2026-08-18) · OPRA historical data
Spot $96.7 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
1.12
32k P / 29k C
Put/Call (Volume)
0.59
281 P / 473 C that session
30d ATM IV
62%
annualized implied move
Call wall
$130
3k contracts
Put wall
$40
5k contracts
Tail hedging
0.7×
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 that session |
|---|---|---|---|---|
| 2026-11-20 | 4k | 2k | 0.43 | 58 |
| 2027-01-15 | 6k | 11k | 1.96 | 104 |
| 2027-02-19 | 279 | 1k | 3.65 | 12 |
| 2028-01-21 | 2k | 2k | 1.10 | 38 |
Source: Cboe end-of-session option chains, summarized after each US market close and published from the following trading day — OPRA historical data. Under the OPRA plan options data becomes historical, and freely publishable, at the opening of the next trading session; data from the session in progress is never displayed or served here. Open interest is exchange-reported once a day. Research, not investment advice.