MailBag

January 2009

MailBag

What's Up with the Solid Black and Hollow Red Candlesticks?

by Chip Anderson

  Why are some of the filled candlesticks red and some of them are black?  Looking closely, I also see that some of the while candlesticks are outlined in black and some are outlined in red.  Why is that?  Thanks. When drawing candlesticks, our system uses one rule for determining whether to draw them with a red or black color and a different rule for determining whether to draw them filled or hollow (i.e., "white"). When it is deciding which color to use - red or black - the system looks at the closing value of the Read More 

MailBag

Why doesn't Log Scaling work for this chart?

by Chip Anderson

URL: http://stockcharts.com/h-sc/ui?s=$NYHGH&p=D&st=2008-01-29&id=p74498399104 Hello, It appears that log scaling is not working properly for this chart.  It works for others. Thank you. Logarithmic scaling is a feature that changes where the numbers of the vertical scale of a chart fall.  On "normal" charts (i.e. charts with "Arithmetic" scaling) each number on the vertical scale is an equal distance from the previous and next numbers.  For example, an arithmetic scale Read More