A computer-implemented method for providing share assessment data, the method including: maintaining access to a repository of data for a plurality of shares, wherein the data includes, for each share: (e) data indicative of a share price rating; and (f) data indicative of a share quality rating; and providing a client interface configured to display a plurality of charts, wherein each chart provides, for each of a selection of the shares, respective graphical markers thereby to illustrate the attributes of each share in the selection relative to a set of assessment dimensions; wherein, for each share, the graphical marker has a visual feature determined by the relationship between the respective share price rating and share quality rating; and wherein for each share the graphical marker has the same or a corresponding visual feature across the plurality of charts.
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