The Dax closed the session at 26,001 points, marking the first time the German benchmark index has settled above the 26,000-point threshold.
The index gained 1.5% during trading, having briefly touched nearly 26,100 points before pulling back slightly at the close.
This milestone extends a strong upward trajectory that saw the index break its previous all-time high of 25,810 points earlier in the week.
This milestone extends a strong upward trajectory that saw the index break its previous all-time high of 25,810 points earlier in the week.
The rally was underpinned by solid performance from key heavyweight constituents.
SAP and Deutsche Telekom both posted gains, providing crucial support for the broader index.
Their strength helped offset any late-session profit-taking, ensuring the index maintained its historic level through the final minutes of trading.