설명
⋅ Indicator to fill the ZONE between two EMAs (9 and 21 is the default)
RULES of completion:
CLOSE above "EMAs" and "EMA SLOW", and "EMA FAST" > "EMA SLOW" = green fill
CLOSE below "EMAs" and "EMA SLOW" ,and "EMA FAST" < "EMA SLOW" = red fill
CLOSE between EMAs = white fill