Valuation

Cheap or expensive, every day.

A daily rating from Bargain to Extremely expensive, and the P/E chart behind it, for listed US stocks, sectors, industries, and the S&P 500, Nasdaq-100, and Dow Jones. Through the API on Pro and Unlimited.

Read the valuation docs

Daily rating
P/E charts
JSON API

INDEX:SPYS&P 500 · P/E

26.1895+17.0%

Close26.1895

Span17.0%

Illustrated P/E path — not a live rating.

200/api/v1/families/valuation/symbols?symbols=IBM,SECTOR:technology

{
  "family": "valuation",
  "as_of": "2026-09-11",
  "computed_at": "2026-09-12T03:04:11Z",
  "requested": [
    "IBM",
    "SECTOR:technology"
  ],
  "aliases": {},
  "symbols": {
    "IBM": {
      "kind": "ticker",
      "name": "International Business Machines",
      "valuation_label": "Relatively expensive",
      "latest_pe": 24.6,
      "available": true,
      "reason": null,
      "as_of": "2026-09-11",
      "computed_at": "2026-09-12T03:04:11Z",
      "verdict_status": "ok",
      "dq": {
        "status": "ok",
        "reasons": [],
        "coverage": null,
        "quarantined_members": []
      }
    },
    "SECTOR:technology": {
      "kind": "sector",
      "name": "Technology",
      "valuation_label": null,
      "latest_pe": 33.6,
      "available": true,
      "reason": null,
      "as_of": "2026-09-11",
      "computed_at": "2026-09-12T03:04:11Z",
      "verdict_status": "withheld",
      "dq": {
        "status": "withheld",
        "reasons": [
          "short-history"
        ],
        "coverage": 0.97,
        "quarantined_members": []
      }
    }
  },
  "pending": []
}

API

Valuation chart (Pro)

Same paths and fields as the live API. Every data GET needs client_id and client_secret.

GET/api/v1/families/valuation/series?symbols=INDEX:SPY

Request

curl -sS -u "$CLIENT_ID:$CLIENT_SECRET" \
  https://barquant.dev/api/v1/families/valuation/series?symbols=INDEX:SPY

200Sample response

{
  "family": "valuation",
  "as_of": "2026-09-11",
  "computed_at": "2026-09-12T03:04:11Z",
  "requested": [
    "INDEX:SPY"
  ],
  "aliases": {},
  "symbols": {
    "INDEX:SPY": {
      "key": "INDEX:SPY",
      "kind": "index",
      "name": "S&P 500",
      "available": true,
      "reason": null,
      "valuation_label": "Very expensive",
      "latest_pe": 27.4,
      "latest_eps": 262,
      "verdict_status": "ok",
      "dq": {
        "status": "ok",
        "reasons": [],
        "coverage": 0.99,
        "quarantined_members": []
      },
      "percentiles": {
        "p15": 20.75,
        "p25": 21.7,
        "p50": 24.5,
        "p75": 26.75,
        "p85": 27.85
      },
      "chart_data": [
        {
          "date": "2026-06-30",
          "avg_pe": 29,
          "avg_eps": 262,
          "avg_price": 7598,
          "valuation_label": "Extremely expensive",
          "projected": false,
          "coverage": 0.99,
          "reporters": 498,
          "members_sized": 503,
          "verdict_status": "ok",
          "dq": {
            "status": "ok",
            "reasons": []
          }
        },
        {
          "date": "2026-09-28",
          "avg_pe": 27.4,
          "avg_eps": null,
          "avg_price": 7749.96,
          "valuation_label": "Very expensive",
          "projected": true,
          "coverage": 0.99,
          "reporters": 498,
          "members_sized": 503,
          "verdict_status": "ok",
          "dq": {
            "status": "ok",
            "reasons": []
          }
        }
      ],
      "constituents": [
        {
          "symbol": "NVDA",
          "pe": 41.07,
          "valuation": "Relatively cheap",
          "weight": 0.074
        },
        {
          "symbol": "MSFT",
          "pe": 34.15,
          "valuation": "Relatively expensive",
          "weight": 0.066
        }
      ]
    }
  },
  "pending": []
}