ETFs

ETF Metrics

GET/v2/etfs/metrics

Returns a paginated list of all ETF metrics — performance, risk, volatility, and fund characteristics — with full lineage/traceability.

Metric groups:

Returns: 1M, 3M, YTD, 1Y, 3Y, 5Y, 10Y; annualized 5Y; since inception (cumulative and annualized). Returns are total returns: distributions are added back to the closes (an accumulating share class is used as quoted).
Risk (security & category): beta, alpha, sharpe ratio, treynor ratio, R-squared, standard deviation, mean annual return (1Y/3Y/5Y/10Y)
Volatility: YTD, 1Y, 3Y, 5Y, 10Y
Risk indicators: SRI (price-based, 1-7), SRRI (document-based, 1-7)
Fund: tracking error, net management fee
Dividends: dividend_yield (trailing 12-month distributions / latest close, percent; 0.0 for accumulating share classes)

Pass trace=true to include computation lineage (formula, inputs, explanation) for each metric.

Check each metric's date for freshness. latestDate is the newest date across metrics and does not mean every metric (including AUM) is current.

Included in: Pro, Growth.

Authentication

Send your API key in the x-api-key header on every request to https://api.bavest.co. The samples read it from the BAVEST_API_KEY environment variable. Get an API key · Authentication guide

Parameters

Required: one of symbol, isin, for example isin=IE00B4L5Y983.

Name	In	Type	Required	Description
symbol	query	string	one of symbol, isin	ETF ticker symbol (e.g., `IWDA.AS`). Provide exactly one of symbol or isin; clear the ISIN example before using a symbol.
isin	query	string	one of symbol, isin	ETF ISIN code (e.g., `IE00B4L5Y983`, iShares Core MSCI World UCITS ETF). Provide exactly one of symbol or isin. Example `IE00B4L5Y983`
fields	query	string	no	Comma-separated list of metric names to include in the response. Valid names are served by `/v2/etfs/metrics/names`. Example when explicitly filtering: `nav,aum,expense_ratio`.
limit	query	integer (int32)	no	Maximum number of metrics to return per page (default 50, max 200) Default `50`
offset	query	integer (int32)	no	Number of results to skip for pagination (default 0) Default `0`
cursor	query	string	no	Opaque cursor for cursor-based pagination. When provided, returns results after the cursor position. Takes precedence over offset.
trace	query	boolean	no	Include computation lineage (formula, inputs, explanation) for each metric Default `false`

Try it

symbol query

ETF ticker symbol (e.g., `IWDA.AS`). Provide exactly one of symbol or isin; clear the ISIN example before using a symbol.

isin query

ETF ISIN code (e.g., `IE00B4L5Y983`, iShares Core MSCI World UCITS ETF). Provide exactly one of symbol or isin.

GET /v2/etfs/metrics?isin=IE00B4L5Y983

API key

Sent only to api.bavest.co for this request; not stored.

Sign in to send Get an API keySends with the key above, or sign in to use your account's key. Each request counts as one API call.

curl 'https://api.bavest.co/v2/etfs/metrics?isin=IE00B4L5Y983' \
  -H "x-api-key: $BAVEST_API_KEY"

Samples read your key from BAVEST_API_KEY and follow the form.

Example response 200

{
  "data": {
    "latestDate": "2026-10-02",
    "metrics": [
      {
        "metricId": "aum",
        "metricName": "aum",
        "value": 147022599924.06,
        "date": "2026-10-01",
        "valid": true,
        "unit": "CURRENCY",
        "currency": "USD"
      },
      {
        "metricId": "nav",
        "metricName": "nav",
        "value": 145.4398,
        "date": "2026-10-01",
        "valid": true,
        "unit": "CURRENCY",
        "currency": "USD"
      }
    ]
  },
  "meta": {
    "page": 1,
    "pageSize": 50,
    "totalPages": 3,
    "totalCount": 101,
    "parameters": {
      "isin": "IE00B4L5Y983",
      "limit": "50"
    },
    "time": 68
  }
}

From the docs, not your data. Long lists are cut to 3 items.

Response 200

Successful response · application/json

dataobject
- latestDatestring (date) | null
  Most recent observation date across all metrics
  Example 2026-10-02
- metricsarray of ETFMetricItem
metaResponseMeta
Response metadata for paginated endpoints. Offset pagination returns page/pageSize/totalPages/totalCount; cursor pagination returns pageSize/hasMore/nextCursor and totalCount only when known.
- timeinteger
  Server-side processing time in milliseconds
  Example 17
- parametersobject
  Echo of the request parameters the endpoint resolved
- pageinteger
  Current page number (offset pagination)
  Example 1
- pageSizeinteger
  Number of results per page
  Example 50
- totalPagesinteger
  Total number of pages (offset pagination)
  Example 2
- totalCountinteger
  Total number of results across all pages
  Example 100
- hasMoreboolean
  Whether more results follow (cursor pagination)
- nextCursorstring | null
  Cursor for the next page (cursor pagination), null on the last page

Errors

400Invalid request parameters. Returned when required query parameters are missing, have invalid types, or violate constraints (e.g., providing both symbol and isin when they are mutually exclusive).
401Missing or invalid API key.
404Resource not found.
429Rate limit exceeded. Retry after the `Retry-After` header interval.
500An unexpected error occurred on the server. If the issue persists, contact support with the X-Request-Id header value.
502Upstream data provider returned an error or is temporarily unavailable. Retry after a short delay.
503Bavest cannot read its data store right now. The security may well have data; retry after the `Retry-After` header interval.
504The request timed out waiting for a response from the upstream data provider. This may occur for complex queries or during peak load.
defaultAn unexpected error occurred on the server. If the issue persists, contact support with the X-Request-Id header value.