As of previous close (2026-09-11) · OPRA historical data
Spot $235.2 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.18
31k P / 172k C
Put/Call (Volume)
0.05
80 P / 1k C that session
30d ATM IV
42%
annualized implied move
Call wall
$350
66k contracts
Put wall
$210
3k contracts
Tail hedging
0.1×
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 2026-10-16. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-09-18 | 14k | 10k | 0.75 | 449 |
| 2026-10-16 | 5k | 3k | 0.69 | 405 |
| 2026-12-18 | 72k | 4k | 0.05 | 527 |
| 2027-01-15 | 74k | 7k | 0.10 | 34 |
| 2027-03-19 | 4k | 2k | 0.43 | 11 |
| 2027-04-16 | 148 | 181 | 1.22 | 1 |
| 2027-06-17 | 1k | 924 | 0.89 | 3 |
| 2027-09-17 | 64 | 118 | 1.84 | 0 |
| 2028-01-21 | 3k | 4k | 1.23 | 110 |
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.