{
  "name": "s-and-p-500",
  "title": "Standard and Poor's (S&P) 500 Index Data including Dividend, Earnings and P/E Ratio",
  "licenses": [
    {
      "name": "ODC-PDDL-1.0",
      "path": "http://opendatacommons.org/licenses/pddl/",
      "title": "Open Data Commons Public Domain Dedication and License v1.0"
    }
  ],
  "sources": [
    {
      "name": "Robert Shiller",
      "path": "http://www.econ.yale.edu/~shiller/data.htm",
      "title": "Robert Shiller"
    }
  ],
  "contributors": [
    {
      "title": "Rufus Pollock",
      "email": "rufus.pollock@okfn.org",
      "role": "maintainer"
    }
  ],
  "keywords": [
    "Indicator",
    "Economics",
    "Prices",
    "Stocks",
    "Stock Market",
    "US"
  ],
  "resources": [
    {
      "path": "data/data.csv",
      "schema": {
        "fields": [
          {
            "type": "date",
            "name": "Date",
            "format": "any"
          },
          {
            "type": "number",
            "description": "Level ('price') of the S&P 500 index",
            "name": "SP500"
          },
          {
            "type": "number",
            "name": "Dividend"
          },
          {
            "type": "number",
            "name": "Earnings"
          },
          {
            "type": "number",
            "name": "Consumer Price Index"
          },
          {
            "type": "number",
            "description": "10 year interest rate (gov bonds)",
            "name": "Long Interest Rate"
          },
          {
            "type": "number",
            "name": "Real Price"
          },
          {
            "type": "number",
            "name": "Real Dividend"
          },
          {
            "type": "number",
            "name": "Real Earnings"
          },
          {
            "type": "number",
            "description": "Cyclically Adjusted Price Earnings Ratio P/E10 or CAPE",
            "name": "PE10"
          }
        ]
      },
      "name": "data"
    }
  ],
  "related": [
    {
      "title": "S&P 500 Companies",
      "path": "/core/s-and-p-500-companies",
      "publisher": "core",
      "formats": [
        "CSV",
        "JSON"
      ]
    },
    {
      "title": "S&P 500 Companies with Financial Information",
      "path": "/core/s-and-p-500-companies-financials",
      "publisher": "core",
      "formats": [
        "CSV",
        "JSON"
      ]
    },
    {
      "title": "VIX - CBOE Volatility Index",
      "path": "/core/finance-vix",
      "publisher": "core",
      "formats": [
        "CSV",
        "JSON"
      ]
    },
    {
      "title": "NYSE and Other Listings",
      "path": "/core/nyse-other-listings",
      "publisher": "core",
      "formats": [
        "CSV",
        "JSON"
      ]
    }
  ],
  "views": [
    {
      "name": "real-vs-nominal",
      "title": "S&P 500: Real vs Nominal Price (1871–present)",
      "description": "Nominal S&P 500 index vs inflation-adjusted (real) price in January 2000 dollars. On a log scale, the long-run real return is visible as a steady upward trend, while the nominal line accelerates sharply post-1980. Major drawdowns — 1929, 1973, 2000, 2008 — appear as dips in both series.",
      "resources": ["data"],
      "specType": "plot",
      "spec": {
        "dateFields": ["Date"],
        "filter": { "field": "Real Price", "gte": 1 },
        "height": 420,
        "marginLeft": 70,
        "x": { "label": null },
        "y": { "label": "Index Level — log scale (data spans 3 orders of magnitude)", "type": "log", "tickFormat": ",.0f", "grid": true },
        "marks": [
          {
            "type": "line",
            "x": "Date", "y": "SP500", "stroke": "#1d4ed8",
            "strokeWidth": 1.5, "tip": true
          },
          {
            "type": "line",
            "x": "Date", "y": "Real Price", "stroke": "#dc2626",
            "strokeWidth": 1.5, "tip": true
          },
          {
            "type": "text",
            "staticData": [{ "x": "1960-01-01", "y": 52, "label": "Nominal" }],
            "x": "x", "y": "y", "text": "label",
            "fill": "#1d4ed8", "fontSize": 12, "fontWeight": "600", "textAnchor": "start"
          },
          {
            "type": "text",
            "staticData": [{ "x": "1960-01-01", "y": 420, "label": "Real (inflation-adj.)" }],
            "x": "x", "y": "y", "text": "label",
            "fill": "#dc2626", "fontSize": 12, "fontWeight": "600", "textAnchor": "start"
          }
        ]
      }
    },
    {
      "name": "cape-ratio",
      "title": "Shiller CAPE Ratio (PE10) — S&P 500 Valuation",
      "description": "The cyclically adjusted price-to-earnings ratio (CAPE or PE10) smooths out earnings cycles by using 10-year average real earnings. Readings above 25 have historically preceded major corrections: 1929 (peaked ~33), 2000 dot-com bubble (peaked ~44), 2022 (~38). The long-run average is ~17.",
      "resources": ["data"],
      "specType": "plot",
      "spec": {
        "dateFields": ["Date"],
        "filter": { "field": "PE10", "gte": 1 },
        "height": 380,
        "marginLeft": 55,
        "x": { "label": null },
        "y": { "label": "CAPE Ratio", "grid": true },
        "marks": [
          {
            "type": "ruleY",
            "staticData": [{ "y": 25 }],
            "y": "y", "stroke": "#f97316", "strokeDasharray": "4,4", "tip": false
          },
          {
            "type": "ruleY",
            "staticData": [{ "y": 17 }],
            "y": "y", "stroke": "#9ca3af", "strokeDasharray": "4,4", "tip": false
          },
          {
            "type": "line",
            "x": "Date", "y": "PE10",
            "stroke": "#374151", "strokeWidth": 1.5, "tip": true
          },
          {
            "type": "text",
            "staticData": [{ "x": "1920-01-01", "y": 26.5, "label": "Overvalued (>25)" }],
            "x": "x", "y": "y", "text": "label",
            "fill": "#f97316", "fontSize": 11, "textAnchor": "start"
          },
          {
            "type": "text",
            "staticData": [{ "x": "1920-01-01", "y": 18.5, "label": "Historical avg (~17)" }],
            "x": "x", "y": "y", "text": "label",
            "fill": "#9ca3af", "fontSize": 11, "textAnchor": "start"
          }
        ]
      }
    },
    {
      "name": "graph",
      "resourceName": "data",
      "title": "Level ('price') of the S&P 500 index",
      "specType": "simple",
      "spec": { "type": "line", "group": "Date", "series": ["SP500"] }
    }
  ],
  "collection": "stock-market-data"
}