Accumulative Swing Index (ASI) is a tool used for measuring the potential of breakout of a given market. ASI was developed by J. Welles Wilder.
In ASI the form of a number is picked from 100 to -100 in which positive value indicates the upward trend and negative value shows the downward trend.
ASI is conjunct with a candlestick chart after calculation.
The prime value of ASI is affected same as of candlestick chart during technical analysis that allows the traders to understand support and resistance levels for the use of trendlines, wedges, triangles, and other tools.
As compared to candlestick charts, ASI charts are much simpler and smoother, so they are easy to analyze and less susceptible to indicating false breakouts.