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How a Heatmap works on the JSE

by , 24 August 2015

Don't be scared when you look the Heatmap.

This shows you the market movement in percentage, as while as the volume traded for the day.

It might look a mess, but it's actually very organised.

All the stocks on the JSE are grouped into sectors (rectangles). It shows you the overall picture of what's going on in the market.

Take a look below, then I'll explain everything you need to know.

Structure of the JSE heatmap in simple colours

Let’s start off with the colours of the heatmap:
  •  Light green – Above average percentage for the day, that the price traded higher at e.g. Lonmin traded 24% higher for the day.
  •  Green – Average percentage movement that the market moves up  e.g Firstrand only fell 0.8% for the day.
  •  Grey – Zero percentage change in the movement of the stock 
  •  Dark red –Average traded movement in share when the market trades down. e.g. Merafe traded up 1.3%. 
  •  Light red – Way below average in percentage movement when a share trades down. E.g. MTN traded down 4% on the day.  
And then finally we have the size of the rectangles…

The bigger the rectangle, the more volume was traded for that specific share. And vice versa for the smaller the rectangle.

Always remember,

“Wisdom yields Wealth”
Timon Rossolimos

Senior Editor:  Trading Tips 
Head AnalystRed Hot Storm Trader
Author:          94 Top Trading Lessons of All Time

PS: If ever you’d like to see what the heatmap looks like on the JSE on the day, feel free to ask me on the InvestorsClub.co.za… It’s very handy and gives you a good feel, what’s going on in the market. 

How a Heatmap works on the JSE
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