Ago
From MultiCharts
Used in combination with Bar or Bars and a numerical expression to reference the bar a specified number of bars back from the current bar. Bars Ago can also be specified by using the bar offset notation that consists of a numerical expression enclosed in square brackets.
Usage
or:
[N]
Where: N - a numerical expression specifying the number of bars back to reference
Example
Plot the closing price of the previous bar:
Plot1(Close Of 1 Bar Ago, "Previous bar's close");
Plot the closing price of two bars ago:
Plot1(Close[2], "Close 2 bars ago");