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The Argus Vickers/ADVFN Stock Lending Index shows the value of shares in all the UK companies (on The Owners Service) that have been put up as collateral and as such represents a good indication of the value of shorting in the UK equity market.
Stock Lending information published on The Owners Service is gathered from the share register and announcements data.
Through its capability to detect beneficial owners of stock, Argus Vickers can identify stock held in nominee accounts that is held as collateral for stock lending delivery by value.
Where our reports show an entry for stock lending, this indicates that an amount of that public limited company's stock has been put up as collateral (e.g. by the Market Maker who is short of another company's stock) probably in a basket of stock.