TOPIX indices

The Tokyo Stock Exchange, Inc.(TSE) (東証株価指数) calculates and publishes TOPIX (Tokyo Stock Price Index) and its sub-indices, including the TOPIX New index Series. Each index is a free-float adjusted, market capitalization-weighted index. The Tokyo Stock Exchange began calculating and publishing the index on July 1, 1969. The TOPIX is calculated using 100 points as the value for January 4, 1968, (as indicated in Fig.1.)