The Financial Conduct Authority (FCA) has published a consultation (CP25/29) proposing a new Short Selling Sourcebook within the FCA Handbook to replace firm‑facing elements of the assimilated Short Selling Regulation. The consultation follows HM Treasury’s 2025 Short Selling Regulations (SSR 2025), which set the legislative framework for the UK short-selling
FCA consults on changes to the UK short-selling regime

The reforms would largely preserve the current UK short-selling framework while reflecting the updates of the SSR 2025 and introducing targeted operational changes.
