As of previous close (2026-10-02) · OPRA historical data
Spot $71.4 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
8.64
178k P / 21k C
Put/Call (Volume)
0.95
1k P / 1k C that session
30d ATM IV
25%
annualized implied move
Call wall
$90
7k contracts
Put wall
$65
67k 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 2026-10-16. 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 | 2k | 4k | 1.94 | 34 |
| 2026-11-20 | 4k | 23k | 5.95 | 233 |
| 2026-12-18 | 3k | 18k | 6.95 | 219 |
| 2027-01-15 | 7k | 74k | 9.88 | 180 |
| 2027-03-19 | 3k | 54k | 21.02 | 96 |
| 2027-06-17 | 1k | 3k | 2.49 | 82 |
| 2027-09-17 | 508 | 1k | 2.16 | 112 |
| 2027-12-17 | 150 | 312 | 2.08 | 48 |
| 2028-01-21 | 35 | 15 | 0.43 | 749 |
| 2029-01-19 | 13 | 428 | 32.92 | 655 |
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.