As of previous close (2026-10-02) · OPRA historical data
Spot $541.7 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.85
20k P / 24k C
Put/Call (Volume)
0.49
229 P / 467 C that session
30d ATM IV
35%
annualized implied move
Call wall
$570
8k contracts
Put wall
$460
8k contracts
Tail hedging
5.5×
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 2026-10-16. 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 |
|---|---|---|---|---|
| 2026-10-16 | 20k | 18k | 0.93 | 313 |
| 2026-11-20 | 1k | 887 | 0.67 | 212 |
| 2027-01-15 | 2k | 205 | 0.10 | 161 |
| 2027-02-19 | 166 | 384 | 2.31 | 4 |
| 2027-05-21 | 25 | 2 | 0.08 | 0 |
| 2028-01-21 | 244 | 283 | 1.16 | 6 |
| 2029-01-19 | 3 | 1 | 0.33 | 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.