• Technical Studies Reference
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The Difference (Bid and Ask Prices) study has an implementation the same as the Difference - Bar study but instead of drawing a price bar, it draws two separate lines calculating the difference between the Bid prices between two charts at each chart bar, and the Ask prices between those charts at each chart bar.

This study only works on Intraday charts and requires the Intraday data for each symbol to be tick by tick.

On the chart being referenced, it is necessary for that chart to have the Bid and Ask Prices study for it to maintain the necessary data for Difference (Bid and Ask Prices) to be able to do the calculations.