As of previous close (2026-09-02) · OPRA historical data
Spot $174.56 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
2.21
16k P / 7k C
Put/Call (Volume)
0.88
147 P / 168 C that session
30d ATM IV
38%
annualized implied move
Call wall
$195
2k contracts
Put wall
$155
3k contracts
Tail hedging
1.8×
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 | 4k | 12k | 3.11 | 150 |
| 2026-10-16 | 388 | 1k | 2.83 | 85 |
| 2026-12-18 | 732 | 437 | 0.60 | 16 |
| 2027-01-15 | 1k | 1k | 1.05 | 44 |
| 2027-03-19 | 197 | 278 | 1.41 | 18 |
| 2028-01-21 | 1k | 1k | 1.10 | 2 |
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.