Functions
na()
Tests if x is na.
Syntax
na(series <any_type> value) → series bool
Arguments
value required series Value to be tested. Return Type
series bool Example
indicator("NA Example", overlay=True)
val = close > open ? close : na
isNa = na(val)
plot(val, color=color.blue, title="Value (May be NA)")
plot(isNa ? 1 : 0, color=color.red, title="Is NA (1 = True, 0 = False)")