UK regulator to publish all London trading data to boost market transparency
The FCA will publish all London share trading data to fix liquidity reporting gaps. This effort aims to stop firms from moving their listings to the U.S.
The Financial Conduct Authority has announced plans to publish all trading data for London-listed shares in a significant move to increase market transparency. This policy development, announced on February 9, 2026, is a direct response to reports of drastic under-reporting regarding market liquidity. By making this data public, the regulator aims to provide a more accurate picture of trading activity within the United Kingdom 
GB.
GB.The decision follows a trend where the perceived lack of liquidity, often attributed to inaccurate reporting, has driven several companies moving listings to the U.S. 
US. The Financial Conduct Authority intends for the comprehensive disclosure of trading data for London-listed shares to address these concerns and potentially mitigate the factors that have led firms to relocate their primary listings to the United States US.
US. The Financial Conduct Authority intends for the comprehensive disclosure of trading data for London-listed shares to address these concerns and potentially mitigate the factors that have led firms to relocate their primary listings to the United States US.
