Porto star Hulk won't rule out a January move away.
"We never know what is going to happen tomorrow," he told Record.
"I have four-and-a-half years left on my Porto contract but, as I have always said, if some day something good for me and for the club appears, I think there will not be any problem and a deal will be reached.
"As long as it is amicable and good for everyone, I believe it will be concluded without any problem. If I do not leave, then that is fine."