The Trading by Types of Investors is a weekly dataset based on reports from trading participants, which aggregates the trading conditions of the TSE market by market segment and by attribute, such as individuals, overseas investors, financial institutions, business corporations, etc. Market segments include the Prime, Standard, and Growth markets, as well as the two-market total of the TSE and the Nagoya Stock Exchange. In addition to this, cash and margin ratios are provided for proprietary and individuals trading. All data are provided in trading volume and trading value.