As of previous close (2026-09-02) · OPRA historical data
Spot $97.17 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.51
15k P / 30k C
Put/Call (Volume)
2.40
560 P / 233 C that session
30d ATM IV
16%
annualized implied move
Call wall
$100
12k contracts
Put wall
$95
3k contracts
Tail hedging
15.7×
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 |
|---|---|---|---|---|
| 2026-09-18 | 17k | 7k | 0.38 | 337 |
| 2026-10-16 | 495 | 516 | 1.04 | 195 |
| 2026-12-18 | 9k | 6k | 0.65 | 233 |
| 2027-03-19 | 3k | 3k | 0.80 | 28 |
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.