# EMA & MACD crossovers

#### mii

##### New member
VIP
need a study that does the following
# the following conditions should be true for both the time periods
if aggregation period is 1 min and 5 min
then check for
if (EMA 12 cross down 20 ) and (MACD crossover down 0 line)
if (EMA 12 cross above 20 ) and (MACD crossover above buy line)

Ema 12 and Ema 20 crossovers
Macd zero line not buy line

Last edited by a moderator:
Solution
please not that crosses will just plot exact moment when it crosses and nothing after, so i will make the following two assumptions that instead of

crosses above, you meant crosses above or is above.
crosses below, you meant crosses below or is below

but if im wrong on my assumption then you can just take that section of the code out.

i also made the assumption you wanted no label if it was neither buy or sell.

Code:
``````declare lower;
input show_label = yes;
input price1 = close;
input length1 = 12;
input displace1 = 0;

def AvgExp1 = ExpAverage(price1[-displace1], length1);

input price2 = close;
input length2 = 20;
input displace2 = 0;
def AvgExp2 = ExpAverage(price2[-displace2], length2);

def emacross_below = if  AvgExp1 crosses below...``````
please not that crosses will just plot exact moment when it crosses and nothing after, so i will make the following two assumptions that instead of

crosses above, you meant crosses above or is above.
crosses below, you meant crosses below or is below

but if im wrong on my assumption then you can just take that section of the code out.

i also made the assumption you wanted no label if it was neither buy or sell.

Code:
``````declare lower;
input show_label = yes;
input price1 = close;
input length1 = 12;
input displace1 = 0;

def AvgExp1 = ExpAverage(price1[-displace1], length1);

input price2 = close;
input length2 = 20;
input displace2 = 0;
def AvgExp2 = ExpAverage(price2[-displace2], length2);

def emacross_below = if  AvgExp1 crosses below avgexp2 or AvgExp1 < avgexp2 then 1 else 0;
def emacross_above = if AvgExp1 crosses above avgexp2 or AvgExp1 >avgexp2 then 1 else 0;

input fastLength = 12;
input slowLength = 26;
input MACDLength = 9;
input averageType = AverageType.EXPONENTIAL;
input showBreakoutSignals = no;
def Value = MovingAverage(averageType, close, fastLength) - MovingAverage(averageType, close, slowLength);
def Avg = MovingAverage(averageType, Value, MACDLength);
def Diff = Value - Avg;
def ZeroLine = 0;
def UpSignal = if Diff crosses above ZeroLine or  Diff > ZeroLine then 1 else 0;
def DownSignal = if Diff crosses below ZeroLine or  Diff < ZeroLine then 1 else 0;

def sell = if emacross_below and DownSignal then 1 else 0 ;
def buy = if emacross_above and upsignal then 1 else 0;

AddLabel(sell,  (if show_label==1 then "Sell" else ""), Color.red);

please not that crosses will just plot exact moment when it crosses and nothing after, so i will make the following two assumptions that instead of

crosses above, you meant crosses above or is above.
crosses below, you meant crosses below or is below

but if im wrong on my assumption then you can just take that section of the code out.

i also made the assumption you wanted no label if it was neither buy or sell.

Code:
``````declare lower;
input show_label = yes;
input price1 = close;
input length1 = 12;
input displace1 = 0;

def AvgExp1 = ExpAverage(price1[-displace1], length1);

input price2 = close;
input length2 = 20;
input displace2 = 0;
def AvgExp2 = ExpAverage(price2[-displace2], length2);

def emacross_below = if  AvgExp1 crosses below avgexp2 or AvgExp1 < avgexp2 then 1 else 0;
def emacross_above = if AvgExp1 crosses above avgexp2 or AvgExp1 >avgexp2 then 1 else 0;

input fastLength = 12;
input slowLength = 26;
input MACDLength = 9;
input averageType = AverageType.EXPONENTIAL;
input showBreakoutSignals = no;
def Value = MovingAverage(averageType, close, fastLength) - MovingAverage(averageType, close, slowLength);
def Avg = MovingAverage(averageType, Value, MACDLength);
def Diff = Value - Avg;
def ZeroLine = 0;
def UpSignal = if Diff crosses above ZeroLine or  Diff > ZeroLine then 1 else 0;
def DownSignal = if Diff crosses below ZeroLine or  Diff < ZeroLine then 1 else 0;

def sell = if emacross_below and DownSignal then 1 else 0 ;
def buy = if emacross_above and upsignal then 1 else 0;

AddLabel(sell,  (if show_label==1 then "Sell" else ""), Color.red);
Thank you so much.. will test it out.

I modified the above code and testing it. i am also working on a scanner for this.

declare lower.
input show_label = yes;
input price1 = close;
input length1 = 5;
input displace1 = 0;

def AvgExp1 = ExpAverage(price1[-displace1], length1);
input price2 = close;
input length2 = 10;
input displace2 = 0;
def AvgExp2 = ExpAverage(price2[-displace2], length2);

def emacross_below = if AvgExp1 crosses below avgexp2
# or AvgExp1 < avgexp2
then 1 else 0;

def emacross_above = if AvgExp1 crosses above avgexp2
# or AvgExp1 >avgexp2
then 1 else 0;

input fastLength = 12;

input slowLength = 26;

input MACDLength = 9;

input averageType = AverageType.EXPONENTIAL;

input showBreakoutSignals = no;

def Value = MovingAverage(averageType, close, fastLength) - MovingAverage(averageType, close, slowLength);

def Avg = MovingAverage(averageType, Value, MACDLength);

def Diff = Value - Avg;

def ZeroLine = 0;

def UpSignal = if value crosses above avg
# or Diff > ZeroLine
then 1 else 0;

def DownSignal = if value crosses below avg
#or Diff < ZeroLine
then 1 else 0;

AssignPriceColor(if
close crosses below ExpAverage(close, 50 ) and DownSignal==1 and avgExp1 < avgExp2
then Color.WHITE else Color.CURRENT);
AssignPriceColor(if
close crosses above ExpAverage(close, 50 ) and UpSignal==1 and avgExp1 > avgExp2
then Color.YELLOW else Color.CURRENT);

Caveat: I did not check for errors throughout your whole script.

But this error jumped out:
You can only have ONE AssignPriceColor statement per script
Change this:
AssignPriceColor(if
close crosses below ExpAverage(close, 50 ) and DownSignal==1 and avgExp1 < avgExp2
then Color.WHITE else Color.CURRENT);
AssignPriceColor(if
close crosses above ExpAverage(close, 50 ) and UpSignal==1 and avgExp1 > avgExp2
then Color.YELLOW else Color.CURRENT);

To this:
AssignPriceColor(
if close crosses below ExpAverage(close, 50 ) and DownSignal==1 and avgExp1 < avgExp2
then Color.WHITE else
if close crosses above ExpAverage(close, 50 ) and UpSignal==1 and avgExp1 > avgExp2
then Color.YELLOW else Color.CURRENT);

To create a scanner, add this code to the bottom of your study:
plot signal1 = close crosses below ExpAverage(close, 50 ) and DownSignal==1 and avgExp1 < avgExp2;
signal1.Hide();
plot signal2 = close crosses above ExpAverage(close, 50 ) and UpSignal==1 and avgExp1 > avgExp2;
signal2.Hide();

To set up the scan hacker to filter on the above conditions:

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