Before the central banker meeting in Jackson Hole, the Dax started trading more firmly.
The leading German index gained 0.9 percent to 13,334 points in the first few minutes.
Investors were eagerly awaiting Fed Chair Jerome Powell's speech scheduled for Friday.
According to experts, it should dampen expectations that the US Federal Reserve will change course next year and switch to interest rate cuts.
"The question might be how the central banks, especially the Federal Reserve, want to bring the inflation rate to its knees without sending the economy into a major recession," said analyst Christian Henke from Broker IG.
The shares of Munich and Hannover Re were among the biggest winners with a plus of 2.1 and 1.7 percent.
Aroundtown's shares rose almost three percent in the M-Dax.
The real estate company has grown in the first half of the year.
The operating result (FFO 1), which is decisive for the industry, grew by eight percent to 186 million euros.