UK Regulator to Publish Daily Stock Trading Summary Starting Friday

The UK's Financial Conduct Authority (FCA) will begin publishing a daily summary of trading in UK-listed shares starting this Friday, an interim step aimed at improving market transparency. The regulator will also release one year of historical data to help investors better assess trading volumes, according to a Bloomberg News report.

An Interim Transparency Measure

The daily update is a precursor to the creation of a full consolidated tape for UK equities. A consolidated tape provides a single, comprehensive feed of trading data, including price and volume, from all trading venues where a stock is listed. This initiative is designed to give investors a clearer, more unified view of market activity.

The FCA is expected to outline the full scope of the new daily data feed on Friday. This temporary measure will serve the market until the more complex consolidated tape system is fully developed and implemented.

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Pre-Trade Data Remains a Key Issue

The development of a consolidated tape has sparked debate within the City of London, particularly concerning the inclusion of pre-trade data, such as bid and ask prices before a transaction occurs. While there is broad industry agreement on providing a post-trade tape, which reports details of executed trades, the inclusion of pre-trade pricing from banks has been a point of contention.

According to the report, the FCA's new daily summary is expected to include both pre- and post-trade data. The move signals progress in the broader effort to modernize the UK's market data infrastructure and enhance its competitiveness.