The young midfielder, 19, only joined Porto in the summer from FC Copenhagen.
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However, he is attracting interest from Atletico Madrid, which are eyeing Froholdt as a January target.
But Froholdt said: "I'm not even thinking about it. I'm incredibly happy to be part of FC Porto and the city, and I feel the support of the fans.
"I've had a fantastic reception and I'm grateful for that. I have to do everything possible to fight for the Portuguese championship and also to have the same success in the Europa League.
"So a transfer is something that's a long way off. I'm focused on giving everything in every game."