curl --location --request GET 'https://api.gugudata.com/stock/cn/index/history/demo'
{ "DataStatus": { "StatusCode": 0, "StatusDescription": "string", "ResponseDateTime": "string", "DataTotalCount": 0 }, "Data": { "TimeKey": 0, "Symbol": "string", "Open": 0, "Close": 0, "High": 0, "Low": 0, "TradingVolume": 0, "TradingAmount": 0, "Swing": 0, "ChangePercent": 0, "ChangeAmount": 0, "TurnoverRate": 0 } }