As of previous close (2026-10-02) · OPRA historical data
Spot $186.09 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
3.48
18k P / 5k C
Put/Call (Volume)
0.98
249 P / 253 C that session
30d ATM IV
38%
annualized implied move
Call wall
$220
1k contracts
Put wall
$155
8k contracts
Tail hedging
4.5×
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 | 659 | 9k | 13.56 | 251 |
| 2026-11-20 | 313 | 5k | 14.56 | 218 |
| 2026-12-18 | 398 | 388 | 0.97 | 29 |
| 2027-01-15 | 2k | 2k | 1.17 | 1 |
| 2027-02-19 | 195 | 110 | 0.56 | 0 |
| 2027-03-19 | 703 | 668 | 0.95 | 2 |
| 2027-05-21 | 0 | 1 | — | 0 |
| 2027-06-17 | 618 | 633 | 1.02 | 1 |
| 2027-09-17 | 35 | 13 | 0.37 | 0 |
| 2027-12-17 | 553 | 443 | 0.80 | 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.