News Release
Dec. 12, 2025 JPXI TOPIX 100 Net Total Return Index to be Launched
JPX Market Innovation & Research, Inc. (“JPXI”) will start calculating "TOPIX 100 Net Total Return Index", in addition to the Price return index and Total return index.
Overview
| Index Name | TOPIX 100 Net Total Return Index |
| Index Weights | Market capitalization weighting (free-float adjusted) |
| Base Date / Base Value | January 16, 2026 (Fri.) / 1,000 points |
| Launch Date | January 26, 2026 (Mon.) |
| Calculation Interval | The daily closing value of the index is calculated. |
| Dissemination via TMI | Index data is provided via TMI (TOPIX DFS). |
Use of Index License
A license is required to use this index for the purpose of composing various financial products. For more details, please contact the following department.
| TSE Index Guidebook (TOPIX New Index Series - Size-based TOPIX Sub-Indices) |  |
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Contact (Regarding the outline of this index)
JPX Market Innovation & Research, Inc. Index Business Department
E-mail : index@jpx.co.jp
Contact (Regarding licensing related to this index)
JPX Market Innovation & Research, Inc. Client Services Department
E-mail : index-license@jpx.co.jp