Quantitative Research

JPX Margin Trading Weekly (Jul 24th): Kioxia, Disco, Advantest, Mizuho Financial, Fast Retailing

24 Jul 2026 By Ke Yan, CFA
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Abstract: We analyzed JPX margin trading positions for stocks with market cap of at least USD 100m as of Jul 24th. The aggregated net margin trading position was USD 27,589m, down 2.5% from USD 28,293m a week prior, while the TOPIX 500 index rose 2.3% over the same period. Net long positions increased for 930 stocks and decreased for 1,037 stocks. The largest net margin position belonged to Kioxia (285A JP) at USD 3,706m, though it also saw the steepest weekly decline of USD 1,174m (-19.7%). On the buy side, Disco (6146 JP) led weekly increases with a net margin loan gain of USD 118m (+49.7%), followed by Fast Retailing (9983 JP) at USD 53m (+461.3%). Other notable weekly decreases included Advantest (6857 JP) at -USD 86m (-19.7%) and Mizuho Financial (8411 JP) at -USD 66m (-20.3%).

Disco (6146 JP) Mitsubishi Heavy Industries (7011 JP) Fast Retailing (9983 JP) Kioxia (285A JP) Mizuho Financial (8411 JP) Advantest (6857 JP)

Highlighted Stocks

Disco, Mitsubishi Heavy Industries, Fast Retailing, Kioxia, Mizuho Financial, Advantest

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