Eligibility of Constituents
The TAIEX constituent stocks are all common stocks listed on the TWSE, as set forth in the rules below:
- Stocks of newly listed companies are included in the constituents from the first trading day of the next month following one full calendar month from listing; however, listed companies converted their shares to other newly incorporated companies, established financial holding companies or investment holding companies, newly incorporated companies resulting from listed companies splitting up, and listed companies transferred from the Taipei Exchange Mainboard listed companies are included in the constituents from the day of listing.
- Listed stocks suspended from trading are excluded from the constituents, and will be included in the constituents from the first trading day of the next month following one full calendar month from reinstatement of normal trading; however, listed stocks suspended from trading because of issuance of new replacement shares due to a capital reduction for the purpose of making up losses, by cash refund of capital stock, or resulting from a corporate split, or because of issuance of new replacement shares due to a change in par value, or because of mergers and acquisitions in accordance with the “Business Mergers and Acquisitions Act”, “The Financial Institutions Merger Act” or other laws and regulations, are retained within the constituents, and would not be excluded.
- Full delivery stocks are excluded from the constituents on the 2nd trading day following the announcement by the TWSE, and will be included from the day regular trading status is restored. If listed stocks also are excluded from the constituents in case of suspended trading, the date to be included in the constituents is determined by the principles set out in Article 3, Paragraph 2.
- Listed stocks delisted are excluded from the constituents on the date of delisting.