Market-Value Reference

Formosa Stock Index

※ Automatically update every minute.The official end-of-day index value is provided on the "Historical date."


The "Formosa Stock Index" belongs to TWSE and TPEx and is created by converting the existing TAIEX and TPEX into one new benchmark index. The "Formosa Stock Index", launched on 5 May 2014, can measure the aggregate performance of two local stock markets of Taiwan Stock Exchange (TWSE) and Taipei Exchange (TPEx).

Index Performance

Accumulated Return
1 Month 4.76%
3 Months 13.53%
6 Months 23.18%
1 Year 37.08%
3 Years 54.67%
5 Years 146.01%
Annualized Return
1 Year 37.08%
3 Years 15.65%
5 Years 19.73%
Annualized Standard Deviation
1 Year 13.25%
3 Years 16.18%
5 Years 17%
※The index performance is calculated through its total return index values.


Title Formosa Stock Index Methodology
File Date 2021/07/06
Link Download
Title File Date Link
Formosa Stock Index Methodology 2021/07/06 Download