A/H premium ratio for Mainland-Chinese companies dual-listed in Hong Kong and A-shares (e.g. 939.HK / 601398.SH, 1810.HK / 600519.SH-pair) via Longbridge Securities — historical premium time series (kline) or today's intraday premium curve. Only HK-side symbols of dual-listed pairs return data.
Install
The individual skill folder is not confirmed. This command opens the repository’s skill selector; follow the upstream instructions.
skills CLI
npx skills add longbridge/skills