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In technical analysis, a chart representing changes in the supply and demand for a security. On a Kagi chart, a thick line indicates increased demand represented by a rising price, while a thin line shows increased supply represented by a falling price. The direction of the chart changes when the price rises or falls by a certain percentage, usually 4%. For example, when a security price declines by 4% or more, an upwards moving chart begins to move downward and vice versa. Kagi charting has the advantage of being mostly independent of time, which helps reduce the noise found in other charting.