As of previous close (2026-08-27) · OPRA historical data
Spot $43.93 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.23
4k P / 16k C
Put/Call (Volume)
1.21
483 P / 398 C that session
30d ATM IV
29%
annualized implied move
Call wall
$45
3k contracts
Put wall
$42
823 contracts
Tail hedging
0.1×
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 |
|---|---|---|---|---|
| 2026-10-16 | 129 | 53 | 0.41 | 24 |
| 2026-11-20 | 3k | 288 | 0.11 | 35 |
| 2026-12-18 | 5k | 872 | 0.19 | 142 |
| 2027-03-19 | 582 | 162 | 0.28 | 132 |
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.