Horizontal histogram help find out key levels of cost so that you
can make decent decision on setting point of take profit, prevent loss…

You can improve exist trading plan or get new trading idea with the histogram of price.

Step 1: select period of data history to calculate histogram(can use default value).

Step 2: select the way to display histogram (can use default value).

Step 3: enjoy the price distribution histogram. I am sure that
you would get many new trading ideas by price histogram and it is also
used to improve your exist trading strategy.

• DATA TIME FRAME: data frame of history data on which distribution price is calculated.
• LAST_POINT_OF_DATA_OPTION: how do we specify the last point of history data? we have 5 options to specify it.
1. UP_TO_NEWEST_BAR: the last point history data is before the  last candle stick (position 0).
2. UP_TO_LAST_VISIBLE_BAR: the last point of history data is the right most candlestick on the current chart and converted to selected time frame.
3. UP_TO_FIRST_VISIBLE_BAR: the last point of history data is the first visible bar on the current chart and converted to selected time frame.
4. UP_TO_SPECIFIED_X_AXIS:
   the last point of history data is the candlestick at X axis on current
   chart. The value of X axis is specified by parameter <LAST_POINT_OF_DATA_X_AXIS>
5. UP_TO_SPECIFIED_TIME: the last point of history data is specified by time. The value is specified by parameter <LAST_POINT_OF_DATA_IN_TIME>
• HISTORY_DATA_LENGTH_OPTION:
  this is the option to specify length of history data. It means how to
  calculate the start point of history data base on last point of history
  data. There are 4 options for this parameter.
1. BY_DAY_COUNT: to specify data length by days of data. In this case, number of days of history data is specified by parameter <HISTORY_DATA_LENGTH_IN_DAYS>
2. BY_BAR_COUNT:
   to specify data length by number of bars on selected data time frame.
   In this case, number of bars of history data is specified by parameter
   <HISTORY_DATA_LENGTH_IN_BARS>
3. FROM_FIRST_VISIBLE_BAR: the start point of history data is the first visible bar on the current chart and converted to selected time frame.
4. FROM_SPECIFIED_TIME: the start point of history data is specified by time. The value is specified by parameter  

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• USE_VOLUME_WEIGHT: to turn on/off weight of volume data on distribution price histogram.
• USE_TIME_WEIGHT: to turn on/off weight of time on distribution price histogram. Price of new bar has more weight than price of old bar.

• HISTOGRAM_DISPLAY_OPTION: there are two option: RIGHT_TO_LEFT (default) and LEFT_TO_RIGHT
• HISTOGRAM_X_AXIS: the X axis value of histogram. This value depend on <HISTOGRAM_DISPLAY_OPTION>
• HISTOGRAM_WIDTH: the width in pixel of histogram. Default is 100 pixels.
  
• GRID_SIZE_IN_POINT: size of grid in histogram. the value is in point of price.
• PRICE_HISTOGRAM_COLOR: color of histogram.
• HIGHLIGHT_LAST_HIS_PRICE: to
  turn on/off highlight part in histogram. If this option is turned on.
  Histogram will highlight the area it is near value of last history
  price.
• HIGHLIGHT_COLOR: color of highlight part in histogram.
• HIGHLIGHT_WIDTH: height in pixel of highlight part in histogram.

Part 4: to turn on/off marking history data area.

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