The FCA’s Market Conduct Sourcebook (MAR) provides guidance for firms and individuals to avoid engaging in market abuse and to determine whether their behavior would be considered suspicious to the FCA. Link to the FCA’s table of record keeping requirements found in MAR
The MAR sourcebook has recordkeeping requirements throughout applying to algorithmic trading records, benchmark submission records, and direct electronic access providers’ systems and controls.
Link to FCA’s table of recordkeeping requirements found in MAR: https://www.handbook.fca.org.uk/handbook/MAR/Sch/1.pdf.
Link to Handbook: https://www.handbook.fca.org.uk/handbook/MAR/
Link to MAR Handbook: https://www.handbook.fca.org.uk/handbook/MAR.pdf