Documentation/AlgoCode/Function reference
crosses above
True when a crosses from below b to above b on this bar.
a crosses above b
Uses this bar and the previous bar. Preferred English form of crossover(a, b). Typical for EMA crosses and zero-line breaks.
Return value
boolean
Example
fastLen = input 9 as "Fast EMA" slowLen = input 21 as "Slow EMA" fast = ema(close, fastLen) slow = ema(close, slowLen) plot fast as "Fast" blue plot slow as "Slow" orange when fast crosses above slow buy when fast crosses below slow exit
