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Diamond
This figure is one of the most rare classical figures on the price chart, but its forecasting does not increase from it.
The figure "diamond" represents all over again extending, and then a narrowed range of fluctuations of the prices where the period of expansion of fluctuations approximately corresponds to the period of their narrowing and as a whole is similar to a rhombus.
On charts of large scale (from one day) it is turned as a rule, and on charst of fine scale (it is less than day) does not specify the further direction of movement.
Example of a "diamond" figure.
The pessimistic price reference point of a diamond is equal to width of a diamond (to distance from a maximum up to a minimum), signed from a break point in the corresponding side.
The general rules of turned figures:
As a rule, all models of a turn of an ascending trend (the Head-shoulders, double top, threefold top), name models of top, and mirror it{him} - models of the basis.
It is considered, that models of top on the majority of the markets are shorter on time and more volatile, in comparison with models of the basis. It is connected with psychology of participants of the market and a difference in perception of profitable and unprofitable positions.
As to pessimistic and optimistic price reference points they have been defined above and quite suit more likely for strong correction of the previous trend. Therefore it is considered, that the "more largely" (above) turned model, the above its potential to the subsequent directed movement. The high price reference point is equal to all previous trend movement before creation of turned figure.