Hi Gerard,
The FinanceChart object created by ChartDirector is for plotting standard financial charts that can have technical indicators like moving averages, RSI, etc). By definition of technical indicators, all data points must be evenly spaced in the chart, no matter they are evenly spaced in time or not.
For example, in a standard financial chart, if you have data points at Mon, Tue, Wed, Thu, Fri, Mon, Tue, ...., the spacing between Thur and Fri is the same as the spacing between Fri and Mon, even though the actual duration between Fri and Mon is 300% of that between Thur and Fri.
So it is normal that some years will be shorter than other years if those years have less data points.
For your case, there are two methods:
(a) Based on the way you would like them to be drawn, it should be considered as a normal line chart. As no technical indicator can be defined based on this method of drawing the chart, the FinanceChart should not be needed. So instead of using the FinanceChart, may be you can start from the sample code "Uneven Data Points" for your chart type.
or
(b) You may manipulate your data by inserting additional data points in the year with monthly data. For example, if you only have a data point at Jan 1, and another point at Feb 1, you may insert additional daily points in between to interpolate between these two points.
Hope this can help.
Regards
Peter Kwan |
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(gerard is) 
Finance Chart - Xaxis - data with different intervals