latestOpenAPI 3.0.02026-08-2010141507.9 KB

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ETF/MF

Performance chart

ETF Pro

Chart-ready fund performance data over time from SEC N-CSR filings. Use series for absolute values (Net Assets, Holdings Count) and rates for percentage metrics (1-Year Return, Expense Ratio, Turnover Rate). Periods are sorted ascending for direct charting. Historical depth depends on subscription tier.

get/api/fund/chart/performance

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.

Response

Series-oriented chart data with periods sorted ascending

periodsstring[]

Period end dates sorted ascending

Example response

{
  "periods": [
    "2023-09-30",
    "2024-03-31",
    "2024-09-30",
    "2025-03-31"
  ],
  "series": [
    {
      "name": "Net Assets",
      "data": [
        600000000000,
        650000000000,
        680000000000,
        712072540255
      ]
    }
  ],
  "rates": [
    {
      "name": "1-Year Return",
      "data": [
        20.15,
        28.34,
        32.1,
        35.72
      ]
    }
  ]
}