Which story is more "tragic"? Oedipus the King, Metamorphosis, Hamlet

My english teacher posed an interesting question to my class. Which story is more tragic, Sophocles’s Oedipus the King (Not at Colonus or in Antigone), Kafka’s Metamorphosis, or Shakespeare’s Hamlet? When I say “tragic”, I mean like the ancient Greek tragedies, not as in a sad story. I’m personally thinking Oedipus, because Oedipus starts off a powerful, heroic character, but through his own actions as well as a heavy dose of fate, he loses everything.