Per Investopedia: The ASI is used to gage the long-term trend by comparing bars which contain its opening, closing, high and low prices throughout a period of time. It is a trend finding/confirming tool.
The Accumulation Swing Index is a cumulative total of the Swing Index.
The Accumulation Swing Index was developed by Welles Wilder.
The SwingIndex function was developed to help cut through the maze of
Open, High, Low and Close prices to indicate the real strength and direction
of the market. The Swing Index function looks at the Open, High,...