In measurement formula for Joe Granville indicator, close prices compared with the purpose of adding or deducting of volume, whereas Williams' indicator open and close prices are compared. Marc Chaikin compares close prices with the middle of range from minimum to maximum. The history of indicator is interesting on its own. In Larry Williams formula, Chaikin substituted open price for price of range. The reason of change was not that he considered it wrong, but that he was not able to find data on prices of opening. That time prices were taken from daily papers, which, due to some reason, stopped publishing prices of opening.
In order to navigate a ship you need to have a compass. In order to Charter a plane you need to observe your instruments. Its no different in Trading the foreign exchange market you must have all your indicators clearly on screen, so that you can see how far the market can move and also prepare timing for precision market entries and precision market exits for Maximum profitability.
In measurement formula for Joe Granville indicator, close prices compared with the purpose of adding or deducting of volume, whereas Williams' indicator open and close prices are compared. Marc Chaikin compares close prices with the middle of range from minimum to maximum. The history of indicator is interesting on its own. In Larry Williams formula, Chaikin substituted open price for price of range. The reason of change was not that he considered it wrong, but that he was not able to find data on prices of opening. That time prices were taken from daily papers, which, due to some reason, stopped publishing prices of opening.
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