GPW Benchmark S.A. published the amended Rules of the GPW Indices Family.

The changes include:

• The discontinuation of determination of the WIG20lev and WIG20short;
• The change of method of the WIG20TRsht and WIG20TRlev, as well as mWIG40TRsh and mWIG40TRlv, by replacing the reference to WIRON in the method with a reference to POLSTR.

August 29, 2025 will be the last day of publication of the WIG20lev and WIG20short indices.

The changes to the Rules of the GPW Indices Family referred to above will enter into force on September 1, 2025.

The amended Rules are available here.