Used in combination with Cross to specify the direction of the cross. Below specifies a downward (greater to a lesser value) direction.
The plot of A is defined as having crossed Below the plot of B if the value of A is less than the value of B and one of the following is true:
a) The value of A was more than the value of B on the bar immediately preceding the current bar,
or
b) The values of A and B were equal for a consecutive sequence of one or more bars immediately preceding the current bar and the value of A was more than the value of B on the bar immediately preceding this sequence of bars.
For more information see Cross.
Usage
Example
Trigger an alert on the bar where the Close price crosses below 1350.00:
Plot1(Close);
If Plot1 Cross Below 1350.50 Then
Alert("Price has crossed below 1350.00");