Are the main characters of "The Gift of the Magi" dynamic or static?

Both characters, Della and Jim, in "The Gift of the Magi" are dynamic characters, defining a dynamic character as one who changes throughout the story. At the beginning of the story they both clearly feel that they can only prove their love to the other through extravagant gifts which neither of them can afford. Della ends up cutting and selling her hair to buy Jim a chain for his watch and Jim sells his watch to buy Della beautiful combs for her long hair. When Della presents Jim with his gift, and Jim sees that Della has cut off her hair to afford the watch chain, both characters realize that the gifts are unimportant and that it is the love that they feel for each other that is the best gift of all. Hence, both of the main characters would be considered dynamic.