UK Market Abuse Regulation (UK MAR)
Definition:
Regulation (EU) 596/2014 as it forms part of the domestic laws of the United Kingdom by virtue of the European Union (Withdrawal) Act 2018.
The UK Market Abuse Regulation (UK MAR) came into effect at 11:00 pm GMT on 31 December 2020. It contains prohibitions for insider dealing, market manipulation, unlawful disclosure of inside information and provisions to prevent and detect these.
See also EU Market Abuse Regulation (EU MAR).