I am wondering how to plot bid/ask ticks on real time chart? I am driving the NT chart from DLL/external tick data source, for example, ES 12-11. On Data Series window, under Period, the "Price based on" parameter, you can choose either Bid or Ask or Last.
Is it possible to plot Bid and Ask on the same chart? choosing one side of the market distorts the chart.
what does "Last" do for the same parameter? It looks like most candles are green where bid or ask actually shows some up and down (green and red candles)
thanks for the help
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