As of previous close (2026-10-27) · OPRA historical data
Spot $253.5 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.13
23k P / 174k C
Put/Call (Volume)
0.46
5k P / 12k C that session
30d ATM IV
62%
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 2026-11-20. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-11-20 | 11k | 2k | 0.19 | 14k |
| 2026-12-18 | 75k | 4k | 0.06 | 2k |
| 2027-01-15 | 78k | 8k | 0.10 | 613 |
| 2027-03-19 | 5k | 2k | 0.51 | 184 |
| 2027-04-16 | 443 | 899 | 2.03 | 28 |
| 2027-06-17 | 2k | 1k | 0.82 | 49 |
| 2027-09-17 | 409 | 878 | 2.15 | 6 |
| 2028-01-21 | 3k | 4k | 1.18 | 19 |
| 2029-01-19 | 155 | 90 | 0.58 | 97 |
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.