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Alligator for Amibroker (AFL)
fongers
almost 2 years ago
Amibroker (AFL)

Rating:
5 / 5 (Votes 1)
Tags:
amibroker

Alligator These three line for the Alligator’s mouth: green – lips; red – teeth; blue –
jaws
Alligator Formula
The Alligator indicator’s calculation formula sequence involves the following
steps:
1. The Alligator’s Jaw, the “Blue” line, is a 13-period Smoothed
Moving Average of Median line , moved into the future by 8 bars;
2. The Alligator’s Teeth, the “Red” line, is an 8-period Smoothed
Moving Average of Median line, moved by 5 bars into the future;
3. The Alligator’s Lips, the “Green” line, is a 5-period Smoothed
Moving Average of Median line, moved by 3 bars into the future.
How to Calculate
MEDIAN PRICE = (HIGH + LOW) / 2
ALLIGATORS JAW = SMMA (MEDIAN PRICE, 13, 8)
ALLIGATORS TEETH = SMMA (MEDIAN PRICE, 8, 5)
ALLIGATORS LIPS = SMMA (MEDIAN PRICE, 5, 3)
SMMA (Smoothed Moving Average)
The first value for the Smoothed Moving Average is calculated as a
Simple Moving Average (SMA):

Screenshots

Indicator / Formula

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Apply to price chart

// Alligator
MidPrice=(H+L)/2;
iPeriod=5;
Lips = MA(MidPrice, 5);
for(i=5+1; i<BarCount; i++)
{
   iSum = Lips[i-1]*(5-1)+MidPrice[i];
   Lips[i] = iSum/5;
}
Plot(Lips, "Lips", colorGreen, styleLine, Null, Null, 3, 0, 1);

iPeriod=8;
Teeth = MA(MidPrice, 8);
for(i=8+1; i<BarCount; i++)
{
   iSum = Teeth[i-1]*(8-1)+MidPrice[i];
   Teeth[i] = iSum/8;
}
Plot(Teeth, "Teeth", colorRed, styleLine, Null, Null, 5, 0, 1);

iPeriod=13;
Jaw = MA(MidPrice, 13);
for(i=13+1; i<BarCount; i++)
{
   iSum = Jaw[i-1]*(13-1)+MidPrice[i];
   Jaw[i] = iSum/13;
}
Plot(Jaw, "Jaw", colorBlue, styleLine, Null, Null, 8, 0, 1);

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