StockCharts High-Low Index
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The StockCharts High-Low Index is a 10-day moving average of Record High Percent, which equals new 52-week highs divided by the sum of new 52-week highs plus new 52-week lows. This breadth indicator shows when new highs outnumber new lows and when new highs are expanding. In general, new highs outnumber new lows when the indicator is above 50. New highs are expanding when the indicator is above 50 and rising.
Symbol Group: High-Low Index
Publisher: StockCharts
Update Frequency: End-of-day (EOD). These indicators are updated after the market close, usually by 6:00 PM ET.
Links to Current Symbols: High-Low Index
StockCharts uses a three-step process to calculate the High-Low Index for several stock indices. First, StockCharts maintains component lists for these indices. Second, our scan-engine uses these component lists to run scans based on the price data for the individual stocks. Third, the data is updated and published to our website.
This “in-house” data may differ from other sources due to differences in the index components and price data. Index components change and require updates on a regular basis. Additionally, note that StockCharts uses dividend-adjusted data for its calculations, while other sources may use non-adjusted data.
The chart below shows the S&P 500 High-Low Index ($SPXHILO) in the main window and the S&P 500 in the indicator window. Notice how the High-Low Index held above 50 (and at a high level) when the S&P 500 advanced, but the indicator moved below 50 during the two corrections.
StockCharts.com users can access an up-to-date list of symbols for all our High-Low Index indicators. From this list, click the “Mentions” icon to the right of a specific symbol for more details about the symbol, as well as recent mentions in Public ChartLists, blog articles, and more.
High-Low Index The 10-day moving average of the Record High Percent Index, which is a breadth indicator.
