As of previous close (2026-10-27) · OPRA historical data
Spot $402.18 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.94
192k P / 204k C
Put/Call (Volume)
1.00
29k P / 29k C that session
30d ATM IV
22%
annualized implied move
Call wall
$410
14k contracts
Put wall
$360
14k contracts
Tail hedging
5.1×
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 2026-11-27. 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 |
|---|---|---|---|---|
| 2026-10-30 | 11k | 8k | 0.79 | 29k |
| 2026-11-06 | 3k | 4k | 1.36 | 5k |
| 2026-11-13 | 3k | 2k | 0.79 | 2k |
| 2026-11-20 | 26k | 26k | 1.00 | 8k |
| 2026-11-27 | 1k | 1k | 1.01 | 1k |
| 2026-12-04 | 59 | 498 | 8.44 | 170 |
| 2026-12-18 | 33k | 28k | 0.82 | 4k |
| 2027-01-15 | 55k | 64k | 1.16 | 6k |
| 2027-03-19 | 11k | 15k | 1.45 | 369 |
| 2027-06-17 | 21k | 17k | 0.81 | 610 |
| 2027-08-20 | 1k | 433 | 0.40 | 48 |
| 2027-09-17 | 1k | 1k | 0.91 | 261 |
| 2027-12-17 | 9k | 8k | 0.98 | 264 |
| 2028-01-21 | 21k | 11k | 0.54 | 51 |
| 2028-06-16 | 2k | 931 | 0.42 | 31 |
| 2028-09-15 | 592 | 515 | 0.87 | 6 |
| 2028-12-15 | 5k | 3k | 0.56 | 101 |
| 2029-01-19 | 1k | 1k | 0.89 | 222 |
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.