Sample specifically selected "Close" so OHLC is not
possible.
You can save all arrays with 4 Foreign statements
and then PlotOHLC.
PlotForeign does not accept REF function.
This works:
SetForeign("MSFT");
Plot(Ref(C,-15),Name(),colorViolet,styleLine|styleOwnScale);
RestorePriceArrays();
--
Terry