Documentationmql4 DocumentationMQL4 ReferenceChart OperationsChartCloseChartCloseChartCloseCloses the specified chart.bool ChartClose( long chart_id=0 // Chart ID );Parameters chart_id=0[in] Chart ID. 0 means the current chart.Return Value If successful, returns true, otherwise false.Last updated on 2026-06-26ChartNextChartSymbol