1. The Agency shall monitor trading activity in wholesale energy products to detect and prevent trading based on inside information and market manipulation or attempts thereof. It shall collect the data for assessing and monitoring wholesale energy markets as provided for in Article 8.

2. National regulatory authorities shall cooperate at regional level and with the Agency in carrying out the monitoring of wholesale energy markets referred to in paragraph 1. For this purpose national regulatory authorities shall have access to relevant information held by the Agency which it has collected in accordance with paragraph 1 of this Article, subject to Article 10(2). National regulatory authorities may also monitor trading activity in wholesale energy products at national level.