As of previous close (2026-10-12) · OPRA historical data
Spot $277.24 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
1.10
26k P / 24k C
Put/Call (Volume)
3.35
4k P / 1k C that session
30d ATM IV
28%
annualized implied move
Call wall
$300
3k contracts
Put wall
$270
3k contracts
Tail hedging
2.3×
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 2026-11-13. 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 | 5k | 4k | 0.94 | 2k |
| 2026-10-23 | 412 | 367 | 0.89 | 49 |
| 2026-10-30 | 198 | 223 | 1.13 | 81 |
| 2026-11-06 | 85 | 29 | 0.34 | 502 |
| 2026-11-13 | 74 | 9 | 0.12 | 1k |
| 2026-11-20 | 1k | 1k | 0.81 | 1k |
| 2026-11-27 | 12 | 4 | 0.33 | 35 |
| 2026-12-18 | 4k | 6k | 1.51 | 81 |
| 2027-01-15 | 6k | 7k | 1.12 | 13 |
| 2027-03-19 | 3k | 4k | 1.42 | 65 |
| 2027-06-17 | 523 | 857 | 1.64 | 12 |
| 2027-09-17 | 215 | 70 | 0.33 | 1 |
| 2028-01-21 | 3k | 2k | 0.69 | 135 |
| 2029-01-19 | 318 | 45 | 0.14 | 8 |
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.