How to code one signal per entry / exit

Yo Adrian

New member
I have multiple alerts for both long and short entries. Sometimes when all trigger I get a long string of audio alerts. I'd like to only have one alert per entry.

My code for alerts:
Code:
Alert(UpSignal_A[1], " ", Alert.BAR, Sound.Ding);
Alert(UpSignal_B[1], " ", Alert.BAR, Sound.Ding);
Alert(UpSignal_C[1], " ", Alert.BAR, Sound.Ding);

I tried this with no luck:
Code:
Alert(UpSignal_A[1] or UpSignal_B[1] or UpSignal_C[1], " ", Alert.BAR, Sound.Ding);

I also tried this with no luck:
Code:
Alert(
UpSignal_A[1], " ", Alert.BAR, Sound.Ding
or
Alert(UpSignal_B[1], " ", Alert.BAR, Sound.Ding);
or
Alert(UpSignal_C[1], " ", Alert.BAR, Sound.Ding);
);

Is it a syntax issue or are conditional alerts like this not possible?

Oh, yes sorry about that :) Here's the full script
Code:
input price = close;
input length = 9;
input length2 = 12;
input displace = 0;
input showBreakoutSignals = yes;

plot AvgExp = ExpAverage(price[-displace], length);
plot AvgExp2 = ExpAverage(price[-displace], length2);

def rising = AvgExp[1] < AvgExp[0];
def falling = AvgExp[1] > AvgExp[0];
def rising2 = AvgExp2[1] < AvgExp2[0];
def falling2 = AvgExp2[1] > AvgExp2[0];

plot UpSignal = price crosses above AvgExp and rising and rising2;
plot DownSignal = price crosses below AvgExp and falling and falling2;

plot UpTrend = AvgExp[2] < AvgExp[1] and AvgExp[1] < AvgExp[0];
plot DownTrend = AvgExp[2] > AvgExp[1] and AvgExp[1] > AvgExp[0];

plot BullBreak = close[0] > high[1] and close[0] > high[2] and close[0] > high[3];
plot BearBreak = close[0] < low[1] and close[0] < low[2] and close[0] < low[3];

UpSignal.SetDefaultColor(Color.UPTICK);
UpSignal.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
DownSignal.SetDefaultColor(Color.DOWNTICK);
DownSignal.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);

UpTrend.SetDefaultColor(Color.UPTICK);
UpTrend.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
DownTrend.SetDefaultColor(Color.DOWNTICK);
DownTrend.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);

BullBreak.SetDefaultColor(Color.UPTICK);
BullBreak.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
BearBreak.SetDefaultColor(Color.DOWNTICK);
BearBreak.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);

Alert(UpSignal[1], " ", Alert.BAR, Sound.Ding);
Alert(DownSignal[1], " ", Alert.BAR, Sound.Ding);
Alert(UpTrend[1], " ", Alert.BAR, Sound.Ding);
Alert(DownTrend[1], " ", Alert.BAR, Sound.Ding);
Alert(BullBreak[1], " ", Alert.BAR, Sound.Ding);
Alert(BearBreak[1], " ", Alert.BAR, Sound.Ding);
 
Last edited by a moderator:
I have multiple alerts for both long and short entries. Sometimes when all trigger I get a long string of audio alerts. I'd like to only have one alert per entry.

Your signals occur on every bar therefore you will be alerted on every bar.
SQBkfpM.png
NFM6ulU.png

Less signals == less alerts.
Use of a recursive statement will find the 1st and last signals of your trend:
Ruby:
input price = close;
input length = 9;
input length2 = 12;

plot AvgExp = ExpAverage(price, length);
plot AvgExp2 = ExpAverage(price, length2);

def rising = AvgExp[1] < AvgExp[0];
def falling = AvgExp[1] > AvgExp[0];
def rising2 = AvgExp2[1] < AvgExp2[0];
def falling2 = AvgExp2[1] > AvgExp2[0];

def UpSignal = price crosses above AvgExp and rising and rising2;
def DownSignal = price crosses below AvgExp and falling and falling2;

def UpTrend = AvgExp[2] < AvgExp[1] and AvgExp[1] < AvgExp[0];
def DownTrend = AvgExp[2] > AvgExp[1] and AvgExp[1] > AvgExp[0];

def BullBreak = close[0] > high[1] and close[0] > high[2] and close[0] > high[3];
def BearBreak = close[0] < low[1] and close[0] < low[2] and close[0] < low[3];

def once_per_entry =
if UpSignal or UpTrend or BullBreak then 1 else
if DownSignal or DownTrend or BullBreak then 0 else once_per_entry[1] ;

plot UpTrigger = once_per_entry and !once_per_entry[1];
     UpTrigger.SetDefaultColor(Color.UPTICK);
     UpTrigger.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);

plot DnTrigger = once_per_entry[1] and !once_per_entry;
     DnTrigger.SetDefaultColor(Color.DOWNTICK);
     DnTrigger.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);

Alert(UpTrigger[1], " ", Alert.BAR, Sound.Ding);
Alert(DnTrigger[1], " ", Alert.BAR, Sound.Ding);

An even better choice is to use @JoeDV's P&L snippet at the end of all your studies.
https://usethinkscript.com/threads/backtesting-a-tos-strategy.10942/#post-119884
It will limit your signals to once per entry / exit AND will highlight why this could be an unprofitable strategy.
 

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