When an indicator or average is based on a some number of past days, only trading days are counted, so for instance 10 days is 2 weeks. Days with no trading (public holiday, trading halt, etc) are skipped too.
At the start of data, either the initial listing, or just the start of what’s been downloaded, generally a shortened period of averaging is applied, so there’s an average immediately shown, though it may not be based on less than the desired period until N dayes, etc.
Of the following averages, the simple moving average and exponential moving average are the best known.
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 2019, 2023, 2024 Kevin Ryde
Chart is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.