The following ProBuilder code snippet demonstrates how to visualize the Chikou Span of the Ichimoku Kinko Hyo indicator by plotting it 26 periods in the past using the `DRAWSEGMENT` function. This approach is useful for those looking to incorporate visual elements of the Ichimoku system in their chart analysis without future plotting capabilities.

drawsegment(barindex[26], close, barindex[27], close[1]) coloured(139,69,19,255)

Explanation of the Code:

• drawsegment: This function is used to draw a line segment between two points on the chart. It is particularly useful for custom visualizations where standard plotting functions are limited to current and future values.
• barindex[26]: This represents the bar index 26 periods ago. In ProBuilder, barindex is an array containing the indices of each bar on the chart.
• close: This is the closing price of the current bar. In the context of the Chikou Span, this value is plotted 26 periods in the past.
• barindex[27]: This is the bar index 27 periods ago, providing the starting point for the next segment.
• close[1]: This represents the closing price of the previous bar (one period before the current bar).
• coloured(139,69,19,255): This function sets the color of the drawn segment. The values (139,69,19,255) represent an RGBA color code, where R=139, G=69, B=19, and A=255 (full opacity).

This method of plotting the Chikou Span is particularly useful for visual backtesting and analysis, allowing traders to see how the Chikou Span interacted with the price 26 periods ago, which is a critical aspect of the Ichimoku Kinko Hyo trading system.