Quantitative Research

A-share Margin Trading Weekly (Sep 18th): CHINA MINSHENG BANKING, BOE, FUJIAN STAR-NET COMMUNICATION

18 Sep 2026 By Ke Yan, CFA
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Abstract: We analyzed A-share margin trading positions as of Sep 18th, covering stocks with market cap of at least USD 500m. The aggregated net margin trading position stood at USD 352,843m, down marginally from USD 352,965m a week earlier, a decrease of 0.0%, while the CSI 300 index declined 0.1% over the same period. On balance, 1,456 stocks saw margin loan positions increase while 1,522 saw decreases, reflecting a slightly net bearish tilt. Among individual stocks, the largest net margin loan builds were in CATL (up USD 383m), ZHONGJI INNOLIGHT (up USD 202m), and PING AN INSURANCE (up USD 174m), while the sharpest reductions were in MONTAGE (down USD 226m), BOE (down USD 149m), and FUJIAN STAR-NET COMMUNICATION (down USD 73m, a 34.0% weekly decline). By ADT multiple, CHINA MINSHENG BANKING remained notable at 12.3x ADT, with its net position rising USD 70m week-on-week.

JIANGSU HENGRUI MEDICINE (600276 CH) CHINA MINSHENG BANKING (600016 CH) CATL (300750 CH) BOE (000725 CH) FUJIAN STAR-NET COMMUNICATION (002396 CH)

Highlighted Stocks

JIANGSU HENGRUI MEDICINE, CHINA MINSHENG BANKING, CATL, BOE, FUJIAN STAR-NET COMMUNICATION

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