Hello
I was searching some indicators and found what I needed.
This indicator has an alarm that triggers only when the MA rises, but there is no alarm that trigger when the MA falls, so I added it myself.
But sadly it doesn't work. Any help would be appreciated.
//@version=3
study(shorttitle=MA_Alert
, title=MA_Alert
, overlay=true)
// === INPUTS
ma_type = input(defval=EMA
, title=MA Type:
, options=[SMA
, EMA
, WMA
, VWMA
, SMMA
, DEMA
, TEMA
, HullMA
, ZEMA
, TMA
, SSMA
])
ma_len = input(defval=21, title=MA Lenght
, minval=1)
ma_src = input(close, title=MA Source
)
reaction = input(defval=3, title=MA Reaction
, minval=1)
// SuperSmoother filter
// © 2013 John F. Ehlers
variant_supersmoother(src,len) =>
a1 = exp(-1.414*3.14159 / len)
b1 = 2*a1*cos(1.414*3.14159 / len)
c2 = b1
c3 = (-a1)a1
c1 = 1 - c2 - c3
v9 = 0.0
v9 := c1(src + nz(src[1])) / 2 + c2*nz(v9[1]) + c3*nz(v9[2])
v9
variant_smoothed(src,len) =>
v5 = 0.0
v5 := na(v5[1]) ? sma(src, len) : (v5[1] * (len - 1) + src) / len
v5
variant_zerolagema(src,len) =>
ema1 = ema(src, len)
ema2 = ema(ema1, len)
v10 = ema1+(ema1-ema2)
v10
variant_doubleema(src,len) =>
v2 = ema(src, len)
v6 = 2 * v2 - ema(v2, len)
v6
variant_tripleema(src,len) =>
v2 = ema(src, len)
v7 = 3 * (v2 - ema(v2, len)) + ema(ema(v2, len), len)
v7
variant(type, src, len) =>
type==EMA
? ema(src,len) :
type==WMA
? wma(src,len):
type==VWMA
? vwma(src,len) :
type==SMMA
? variant_smoothed(src,len) :
type==DEMA
? variant_doubleema(src,len):
type==TEMA
? variant_tripleema(src,len):
type==HullMA
? wma(2 * wma(src, len / 2) - wma(src, len), round(sqrt(len))) :
type==SSMA
? variant_supersmoother(src,len) :
type==ZEMA
? variant_zerolagema(src,len) :
type==TMA
? sma(sma(src,len),len) : sma(src,len)
// === Moving Average
ma_series = variant(ma_type,ma_src,ma_len)
direction = 0
direction := rising(ma_series,reaction) ? 1 : falling(ma_series,reaction) ? -1 : nz(direction[1])
up= change(direction,1)
down= change(direction,-1)
pcol = direction>0 ? lime : direction<0 ? red : na
plot(ma_series, color=pcol,style=line,join=true,linewidth=3,transp=10,title=MA PLOT
)
/////// Alerts ///////
alertcondition(up,title=Change Direction Rising
,message=Change Direction Rising
)
alertcondition(down,title=Change Direction Falling
,message=Change Direction Falling
)
