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WhenTrue

 

 

 

 

Category

Multi-Bar Functions

Description

Evaluates an expression for a past (or future) bar when a condition was (or will be) true

Syntax

WhenTrue(condition, expression, nth {1})

Parameters

condition - formula to evaluate for each bar until true (non-zero)

expression - formula to evaluate when condition is true

nth - which instance of condition to use (optional)

Notes

If nth is positive, condition is evaluated for the most recent bar and continue back in time until the nth non-zero value is found.

If nth is negative, condition will be evaluated for the most recent bar and continue forward in time until the abs(nth) non-zero value is found.

For each bar, condition is evaluated as if that bar were the current bar, i.e. without knowledge of future splits relative to that bar.

When the specified nth condition is found, expression is then evaluated for that bar and the resulting value is returned.

If condition is never found, the result is NaN.

If nth is not specified, the default is 1.

This function supports ultra-fast one-pass calculation when used in the Data Section without the optional argument.

 

 

 

 

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