https://www.dummies.com/article/technology/software/microsoft-products/excel/how-to-group-and-ungroup-excel-pivot-chart-data-items-138877/
How to Group and Ungroup Excel Pivot Chart Data Items | dummies
how topivot chartdata itemsgroup
https://www.dummies.com/article/technology/software/microsoft-products/excel/how-to-customize-your-excel-pivot-chart-and-axis-titles-152335/
How to Customize Your Excel Pivot Chart and Axis Titles | dummies
how to customizepivot chartexcel
https://www.mql5.com/en/forum/149035
quarterly and half yearly pivot point - Price Chart - MQL4 and MetaTrader 4 - MQL4 programming forum
does anyone have pivot point indicators for quarterly and half yearly levels or can any programmer modify yearly pivot to quarterly and half yearly