The chart reflects the results for the entire length of time, grouped by days of the week.
The green part of the bar shows how much money you have made on all positive trades on that day of the week, and the red part reflects the negative trades.
The difference will reflect the overall result.
The overall result is shown in the table below.
As a rule, when you analyze a long period of time, you will discover that some days of the week are much better or much worse than other days, and you can then analyze the reasons why this is true.