As of previous close (2026-10-16) · OPRA historical data
Spot $426.44 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.91
16k P / 17k C
Put/Call (Volume)
0.20
186 P / 922 C that session
30d ATM IV
38%
annualized implied move
Call wall
$450
2k contracts
Put wall
$380
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 2026-11-20. 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 |
|---|---|---|---|---|
| 2026-11-20 | 2k | 2k | 1.19 | 215 |
| 2026-12-18 | 1k | 2k | 2.05 | 113 |
| 2027-01-15 | 6k | 4k | 0.70 | 19 |
| 2027-03-19 | 2k | 1k | 0.67 | 44 |
| 2027-06-17 | 558 | 524 | 0.94 | 0 |
| 2027-09-17 | 67 | 94 | 1.40 | 24 |
| 2028-01-21 | 1k | 949 | 0.63 | 1 |
| 2029-01-19 | 84 | 110 | 1.31 | 0 |
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.