The Brazil international has heavily been linked with Chelsea in recent weeks, with the player's agent admitting on several occasions that he would be open to a change of scenery.
Earlier in the week, Hulk's representative stated that Porto are determined to hold on to the powerful forward, but the 25-year-old is still unsure about his future at the club.
"My future is in the hands of God," the attacker told reporters at Brazil's training camp in London. "When it comes to transfers, I leave everything with my agent.
|8/1||Hulk is 8/1 with William Hill to be the top scorer in the men's Olympic football|
Looking ahead to the Olympic Games, Hulk stated that he is determined to help the Selecao win their first-ever gold medal in the football tournament.
"Who would not like to be a champion? We know about Brazil's history, that would be something unprecedented," he affirmed.
"We have a group of players who are very united. We will not waver, we are all very focused."