Entity

S&P 500

S&P 500 — Standard & Poor's 500. The index of roughly 500 large U.S. companies — the standard benchmark for the American stock market.

As of 7 Oct 2026

Who S&P 500 moves with

Names most often reported alongside it; bigger circles and heavier lines mean more shared documents. A dashed circle has no page of its own yet.

NasdaqAIOilTreasuryInflationWall StreetBitcoinFederal Reserve
  • Nasdaq · 647 shared documents
  • AI · 570 shared documents
  • Oil · 451 shared documents
  • Treasury · 428 shared documents
  • Interest Rates · 371 shared documents · no page of its own yet
  • Inflation · 352 shared documents
  • Wall Street · 333 shared documents
  • S&P global · 297 shared documents · no page of its own yet
  • Bitcoin · 278 shared documents
  • Federal Reserve · 270 shared documents

Story momentum

Rising

Daily mentions +1650% from 22 Aug 2026 to 6 Oct 2026, between 3 and 115 a day

How often tracked coverage mentions S&P 500, day by day.

Market price, cited

64% Yes

priced 7 Oct 2026

the market: 57% → 64% Yes (+7pts, from 22 Aug 2026 to 7 Oct 2026)

on “Will the S&P 500 have the best performance in 2026?”

The day’s closing price on this market, and how it moved. The number is the market’s own. Ask about S&P 500

“Will the S&P 500 have the best performance in 2026?”: the market's own price; the venue link is not stored with it

Coverage volume and market price are separate measures.

For developers

Call the get_entity MCP tool at https://sigb.ai/api/mcp with name s&p 500.

{
  "name": "s&p 500",
  "label": "S&P 500",
  "asOf": "2026-10-07",
  "mentions": 70,
  "domains": 34,
  "coverageTrend": "rising",
  "marketPrice": {
    "question": "Will the S&P 500 have the best performance in 2026?",
    "yesPct": 64,
    "pricedOn": "2026-10-07",
    "attribution": "the market's own price"
  },
  "whereFrom": {
    "level": "counts",
    "label": "70 mentions across 34 domains",
    "children": [
      {
        "level": "reports",
        "label": "5 reports drawn on this page, each with its link",
        "children": {
          "count": 5,
          "unfold": "expand=+1"
        }
      },
      {
        "level": "domains",
        "label": "34 coverage domains",
        "children": {
          "count": 18,
          "unfold": "expand=+1"
        }
      },
      {
        "level": "not shown",
        "label": "The other 65 mentions",
        "edge": "counted daily from tracked coverage; single mentions are not listed one by one"
      }
    ]
  }
}

The figures on this page, as data. The tool returns the full entity record.

Walk the record from S&P 500

Open where it comes from, follow a claim or a related name, and use the trail to come back. Every step says what it is, how it stands and when. Machines read the same record.

S&P 500

Entity.

Evidence
1,419 documents · 182 separate publishers · a mention shows the name is in use, not that any claim about it is true
Standing
A name from our starting list; its record is kept up to date automatically from coverage
Time
first seen 18 May 2026, last seen 7 Oct 2026
Measured
25% of mentions say something specific about it; the rest only name it
As of
7 Oct 2026
10 links from here

Who it moves with: the 10 names are in the map above.

What is claimed about it (0)

none on file at this cutoff

Situations it is named in (0)

none on file at this cutoff

For machines: this record as JSON

Watch this

What the coverage says

Recent reporting that names S&P 500, newest first. Open any row to follow it to the original article.

Evidence tiers: primary source = an official public record · attributed = a named outlet, receipt linked · lead = observed, not yet receipted.

Other questions markets are asking

Prices are the market’s own, cited with the venue.

What it connects to

Related records.

Pull a thread

Ask about S&P 500Watch S&P 500

Story momentum counts mentions in tracked coverage. Prices are the market’s own, cited with the venue. Informational only, not advice. As of 7 Oct 2026.