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Bill Williams


Acceleration/Deceleration Oscillator AC Indicator

Acceleration/Deceleration Oscillator is a technical indicator, that indicates the acceleration or deceleration of the existing market driving force. AC oscillator measures whether the market driving strength is rising or falling. It gives FX traders an early notification of changes in price direction:

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Williams Alligator Indicator

Alligator is an indicator designed to signal a trend absence, formation and direction. Bill Williams saw the alligator's behavior as an allegory of the market's one: the resting phase is turning into the price-hunting as the alligator awakes so that to come back to sleep after the feeding is over. The longer the alligator is sleeping the hungrier it gets and the stronger the market move will be.
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Awesome Oscillator AO

Awesome Oscillator (AO) is an indicator which is able to show what is happening with driving force of the market is technical indicator of Bill Williams AO. The Awesome Oscillator is created using the difference between the 34-period and 5-period simple moving averages of the bar’s midpoints (H+L)/2. The AO is usually planned as a histogram in which bars higher than the preceding bar will be colored green. Bars lower than the preceding one will be colored red. The Awesome Oscillator/AO was developed by psychologist and trader Bill Williams who explained it in his book “New Trading Dimensions”. This trading classic book covers how to merge trading psychology and Chaos Theory to better understand and forecast market price movements.

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Williams Fractals Indicator

Fractals indicator of Bill Williams is one of the figure highlighting the chart’s local heights and lows where the price movement had stopped and reversed. These reversal points are called adequately Highs and Lows. Being one of the most unintelligible terms of the modern mathematics, psychologist and trader Bill Williams dedicates much attention to fractals and described it in his book “Trading Chaos” for better recognizing and estimating the market price movements. The price patterns can be used to verify price movement. They consist of at least five bars, and typically planned as a set of high and low arrows placed over the reversal points in the price action.

Fractals can be bullish or bearish, so the basic strategies for identifying them are:

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Gator Oscillator GO

Gator Oscillator (GO) is an extra indicator to the Alligator and it helps to visualize the periods when Alligator Indicator outline widen or narrow down. Gator Oscillator helps to better imagine the approaching changes in the trends: to know when Alligator sleeps, eats, fills out and goes to sleep.

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Market Facilitation Index BW MFI

The Market Facilitation Index shows the change of price for one tick. According to Bill Williams, who wrote about Market Facilitation Index indicator in his book “Trading Chaos”, the MFI indicator measures “the market’s willingness to move the price”. Actually, the Market Facilitation Index provides an evaluation of the market efficiency in terms of its liquidity and activity. The indicator is flexible as much as necessary for applying to various time frames from 5 minutes upwards.

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