Operational Considerations of the FCA’s CP25/29, “Changes to the UK Short Selling Regime”

The FCA’s CP25/29 proposes the first major update to UK short selling rules since 2012. The new regime replaces public disclosures with anonymised aggregates and introduces machine-readable reporting, bulk submissions, and tighter data controls, signalling a shift toward a UK-native, data-led framework requiring significant operational and compliance adaptation.