latestOpenAPI 3.0.02026-08-2010141507.9 KB

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ETF/MF

Sector allocation chart

ETF Pro

Chart-ready sector allocation over time. Returns one series per top sector (by latest quarter weight), with portfolio weight values for each quarter. Sectors are derived from SIC codes of underlying holdings. Periods sorted ascending. Historical depth depends on subscription tier.

get/api/fund/chart/sectors

Query parameters

symbolstring

Fund ticker symbol (ETF or mutual fund). Identify the entity by exactly one of: symbol, cik, cusip, composite_figi, or share_class_figi. At least one is required.

cikinteger

SEC Central Index Key (CIK).

cusipstring

CUSIP identifier (9 characters).

composite_figistring

Composite OpenFIGI identifier.

share_class_figistring

Share-class OpenFIGI identifier.

topNinteger

Number of top sectors to include

Response

Sector allocation chart data with periods sorted ascending

periodsstring[]

Quarter-end dates sorted ascending

Example response

{
  "periods": [
    "2025-03-31",
    "2025-06-30",
    "2025-09-30",
    "2025-12-31"
  ],
  "series": [
    {
      "name": "Technology",
      "data": [
        31.2,
        32.5,
        33.1,
        32.8
      ]
    }
  ]
}