Examples what extent in German examples

How do I translate what extent into German?

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So, yes, there are solid fundamentals that arguably support today's higher gold price, although it is far more debatable whether and to what extent they will continue to support higher prices in the future.

Also, ja, manche Fundamentaldaten untermauern durchaus die heutigen Goldpreise, obwohl es fraglich ist, ob und in welchem Ausmaß sie höhere Preise auch in Zukunft untermauern werden.