As of previous close (2026-09-11) · OPRA historical data
Spot $261.01 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
2.01
75k P / 37k C
Put/Call (Volume)
0.98
1k P / 1k C that session
30d ATM IV
36%
annualized implied move
Call wall
$310
5k contracts
Put wall
$250
21k 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 2026-10-09. 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 | 9k | 29k | 3.21 | 776 |
| 2026-09-25 | 349 | 502 | 1.44 | 233 |
| 2026-10-02 | 2k | 578 | 0.27 | 107 |
| 2026-10-09 | 133 | 593 | 4.46 | 43 |
| 2026-10-16 | 1k | 2k | 1.61 | 100 |
| 2026-10-23 | 31 | 75 | 2.42 | 35 |
| 2026-10-30 | 10 | 16 | 1.60 | 23 |
| 2026-11-20 | 2k | 1k | 0.59 | 109 |
| 2026-12-18 | 3k | 20k | 5.73 | 145 |
| 2027-01-15 | 12k | 12k | 0.96 | 153 |
| 2027-03-19 | 1k | 4k | 3.26 | 197 |
| 2027-06-17 | 2k | 961 | 0.51 | 9 |
| 2027-09-17 | 443 | 130 | 0.29 | 11 |
| 2028-01-21 | 2k | 4k | 1.58 | 25 |
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.