Core Insights - The Brent crude futures contract has returned to trading at a premium to the six-month contract due to new U.S. sanctions on Russia, which have heightened concerns about a tight market in the near term [1] Group 1 - The recent U.S. sanctions on Russia have influenced the pricing dynamics of Brent crude, indicating potential supply constraints [1] - The market is reacting to geopolitical developments, which are impacting short-term trading strategies and expectations [1]