GPW Benchmark announces the quarterly adjustment of WIG20, mWIG40, sWIG80 and WIG30 indices portfolios. Changes will come into force after close of business on September 18, 2026.
As a result, the WIG20, WIG20TR, mWIG40, mWIG40TR, WIG30 and WIG30TR portfolios will remain unchanged.
In the sWIG80 and sWIG80TR portfolios there will be following changes:
- new companies: NIEWIADOW, SYN2BIO;
- removed companies: ERBUD, WITTCHEN.
Detailed information on the quarterly adjustment is available here.