ARK holdings cumulative return curve

GET /api/v1.0/quote/ark-fund-return-rate

ARK holdings cumulative return curve, last ~250 trading days. Optional compare_code (e.g. US.QQQ) for the same-period benchmark change. Also returns period total return, latest market value / name count and day-over-day changes.

Parameters

Name	Type	In	Required	Description
compare_code	string	query	no	Benchmark symbol, e.g. US.QQQ / US.SPY; empty = no comparison

Example

curl -X GET 'https://webapi.moomoo.com/api/v1.0/quote/ark-fund-return-rate' \
  -H 'Authorization: Bearer <AccessToken>' | jq

Response parameters

Name	Type	Description
data.items	object[]
data.items[].date	string	Trading date YYYY-MM-DD
data.items[].return_rate	number	Cumulative return in percent
data.items[].compare_increase	number	Benchmark period change in percent; 0 when compare_code is omitted
data.total_return_rate	number	Period cumulative return in percent, 12.34 means 12.34%
data.market_value	string	Holdings market value in USD
data.stock_count	int	Number of holdings
data.market_value_change	string	Market-value change vs prior session, USD
data.stock_count_change	int	Holdings-count change vs prior session
data.update_time	int	Disclosure time, Unix microseconds (US Eastern midnight)
data.update_date	string	Disclosure date YYYY-MM-DD (US Eastern)

Errors

ret_code	error.code	Description
0	—	Success
-3	invalid_parameter	Missing or invalid parameter
-8	unsupported	Not supported
-10	no_data	No data

Response example

{
  "ret_code": 0,
  "ret_msg": "success",
  "data": {
    "items": [
      {
        "date": "2026-10-16",
        "return_rate": 1.2,
        "compare_increase": 1.2
      }
    ],
    "total_return_rate": 1.2,
    "market_value": "example",
    "stock_count": 0,
    "market_value_change": "example",
    "stock_count_change": 0,
    "update_time": 1710000000000000,
    "update_date": "2026-10-16"
  }
}