As of previous close (2026-10-02) · OPRA historical data
Spot $687.5 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
1.08
30k P / 27k C
Put/Call (Volume)
1.24
2k P / 1k C that session
30d ATM IV
30%
annualized implied move
Call wall
$700
2k contracts
Put wall
$610
2k contracts
Tail hedging
2.7×
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 2026-10-30. 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 |
|---|---|---|---|---|
| 2026-10-09 | 1k | 789 | 0.59 | 599 |
| 2026-10-16 | 4k | 6k | 1.72 | 499 |
| 2026-10-23 | 418 | 295 | 0.71 | 72 |
| 2026-10-30 | 430 | 200 | 0.47 | 138 |
| 2026-11-06 | 110 | 68 | 0.62 | 48 |
| 2026-11-13 | 29 | 18 | 0.62 | 69 |
| 2026-11-20 | 819 | 773 | 0.94 | 423 |
| 2026-12-18 | 5k | 6k | 1.09 | 197 |
| 2027-01-15 | 6k | 6k | 0.93 | 304 |
| 2027-02-19 | 813 | 2k | 2.22 | 16 |
| 2027-03-19 | 1k | 2k | 1.43 | 54 |
| 2027-06-17 | 690 | 805 | 1.17 | 34 |
| 2027-09-17 | 227 | 283 | 1.25 | 1 |
| 2027-12-17 | 2k | 2k | 1.08 | 4 |
| 2028-01-21 | 3k | 1k | 0.54 | 92 |
| 2029-01-19 | 68 | 446 | 6.56 | 10 |
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.