Yields of all listed bonds are posted on TSE real-time trading information web-page, under bid and ask quotations for the corresponding bond. Market average yield index Bondway can be viewed on real-time trading information web-page, under link "Indices" (http://online.tse.ee/english/indexes.html).
Index calculation methodology is available at http://www.tse.ee/doc/Bondindex.pdf; list of bonds in the index is available at http://www.tse.ee/doc/Bondway_e.pdf