Which European airlines hedge their fuel prices?

Appreciate this is a bit of a “how long is a piece of string” question, but I’m here anyway.

I’ve got a trip planned to Porto at the end of the year (location may change, it’s all a bit up in the air lol), and I’m just taking a look at flight prices now. They don’t look too bad, but I’m also very aware of the fact that there is a good chance that jet fuel prices will rocket, if they haven’t already.

So I’m just looking to find out how likely it is that prices will jump, and whether I should be booking flights now, or waiting?