European Union energy ministers agreed to a "dynamic" cap on natural gas prices Monday after two months of intense negotiations. Introducing a limit on gas prices has proved controversial for European officials. When applied, it will set a "dynamic bidding limit" on natural gas futures transactions for 20 working days. The Dutch TTF traded around 109 euros per megawatt hour on Monday. Kremlin spokesman Dmitry Peskov said the measure was an attack on market pricing and "unacceptable," Reuters reported, citing Russia's Interfax news agency.

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