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Gator Oscillator Indicator, Strategy, Formula

Gator Oscillator in Zerodha Kite Indicator

The Gator oscillator is a forex trading tool that is developed by Bill Williams. This Oscillator is an auxiliary oscillator to the mighty Alligator indicator. It is most useful in markets that display strong directional action. This oscillator is presented as a histogram with red and green bars. It was originally presented in the Profitunity Trading System (see the image below).

Profitunity Trading System

Common FAQ

What is Gator Oscillator?

This is a supplement to the Alligator indicator. This indicator shows the absolute degree of convergence-divergence of the Alligator’s three short moving averages. This is pointing towards the Alligator’s periods of slumber and awakeness in the trending and non-trending market phases. It also identifies trend changes in securities prices. The main difference between the Gator Oscillator and the Alligator Indicator is that the former uses a histogram while the later uses moving averages.

How to use Gator Oscillator indicator?

This oscillator indicates that the trend goes through 4 phases. 1) The sleeping or exhausted phase 2) Awakening or forming phase 3) Eating or strengthening phase and 4) Sated or running out of momentum phase. The Gator Oscillator indicator helps to identify these 4 phases in a trend lifecycle. It helps you to enter a trend as it forms and exit before the trend ends.

Gator Oscillator Indicator Calculation

First, calculate the difference between the long-term moving average which is the blue line and the medium-term moving average which is the red line bars above in the 0 (zero). Then calculate the difference between the medium-term moving average which is the red line and short-term moving average which is green line bars below in the 0 (zero). In the Alligator indicator, the Jaw is the blue line, Teeth is the red line and Lips is the green line. But the oscillator consists of only green and red bars. Here each time period is represented by 2 bars, one top of the other.

Adding The Gator Oscillator Indicator On Charts

In Zerodha Kite one can attach the indicator from the STUDIES section with the following default settings. Jaw Period is 13, Jaw Offset is 8, Teeth Period is 8, Teeth Offset is 5, Lips Period is 5, and Lips Offset is 3. See the Axis Bank chart image below:

Gator Oscillator In Zerodha Kite Indicator

How To Trade With The Gator Oscillator Indicator?

The different stages of the oscillator in “Alligator” with two symmetrical bars. One is above the 0 line and another is below the 0 line. Sometimes both bars are green, sometimes both are red and sometimes they are of both colors. A green bar indicates the trend is stronger than the previous price action. While the red bar indicates that the trend is weaker than the previous price action.

Identifying The Trend Phases

The Gator awakes, when one of the bars above or below the “0” line then it is red, and the opposite one is green. When both symmetrical bars are green then the Gator eats. The gator is sleeping, when both bars above and below the centerline are red. In this Oscillator after an ‘eating’ phase, one of the upper or lower bars around the centerline turn red the Gator is said to be sated.

Gator Oscillator In Zerodha Kite Indicator

It does not matter whether the red or green bars are above or below the zero lines as long as there is one of each.

How To Trade With The Gator Oscillator Indicator?

When you are using this indicator you will want to enter during when in the awakening phase. You will then hold your position during the eating phase and book profit of exit your position in the sated phase as the trend will be near completion. As this oscillator is based on a system of moving averages, you should keep in mind that there can be a time lag between price changes. Also, this oscillator tells you how strong or weak a trend is. It will not give you an idea of the direction. Hence to understand the trend you must use a supporting indicator like the Alligator or the SuperTrend.

Gator Oscillator Indicator

In this oscillator when a phase of the trend is at its incipient stages, one of the upper or lower bars will turn green then a phase of the trend accelerates. The trend reaches its climax increasing the number of ‘double greens’ where both the upper and the lower bars are green, so this is the eating phase. In this oscillator, the eating phase runs out of energy, and begins to slow down. Then one of the previously green bars will turn red, signaling that the gator is sated. In this oscillator when both bars are red, then the phase has ended, anticipating a new cycle.

Pros And Cons

The Gator Oscillator’s advantage is the compactness of its display and instead of drawing three separate SMAs on the chart the bars below, which leaves enough space for the application in any number of additional indicators into the price data.

This Gator Oscillator’s main problem is its complicated nature. It is essentially a combination of three moving averages, and whether the addition of the graph at the bottom contributes much value, or merely complicates the picture will probably depend on your trading style. Its problem of trading with a moving average must be taken into account while a trader is making use of the Gator Oscillator indicator.


The Gator Oscillator indicator is a supplementary version of the Alligator Indicator. This indicator oscillates below the price and identifies the phases of the trend. It identifies when the trend is sleeping, awakening, eating or sated phase. Based on the identification of trend traders can also plan entry in the market. But using this oscillator with some trend following indicator is necessary for correct entries.

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