KaburadarKaburadar in English: Japanese stock market data
Kaburadar (kaburadar.jp) is a free Japanese site that compiles public market data — JPX, EDINET, TDnet — every day. These English pages cover the topics most asked about Japan: short interest, foreign investor flows, the market map and Berkshire's trading houses. The rest of the site is in Japanese.
Japan short interest by institution
Every disclosed short position of 0.5% or more in Japanese stocks (JPX), by stock and by institution, with each institution's record after new reports. Every business day.
Are foreign investors buying Japanese stocks?
JPX weekly flows by investor type for TSE Prime: foreign investors, individuals, trust banks, investment trusts, corporations, brokers. Every Thursday.
Japan stock heatmap
About 340 major Japanese stocks by TSE sector, coloured by price change, volume ratio, margin ratio or short interest. Five times a day in the Tokyo session.
Berkshire's Japanese trading houses tracker
Berkshire Hathaway's holding ratios in Mitsubishi, Mitsui, Itochu, Sumitomo and Marubeni from the reports filed on EDINET, with share prices.
Data for AI assistants: llms.txt (has an English section).