The Japanese yen is currently stronger than it was at its weakest point, but it is still weaker compared to its value ten years ago.
こんにちは!
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
The Japanese yen is currently stronger than it was at its weakest point, but it is still weaker compared to its value ten years ago.
とすると、『現在は、[円安](https://eikaiwa.dmm.com/uknow/questions/3863/)ピークだった時よりは円高になったが、それでも十年前と比べると相対的に円安だ』となります。
参考になれば幸いです。