Spiritual Meaning:
Spiritually any exchange signifies the idea of give and take.

Psychological / Emotional Perspective:
In dreams, as in real life, to be making an exchange suggests we are not satisfied with what we had originally. Dreaming of the stock exchange signifies the excitement of taking a calculated risk.

Everyday Material Aspects:
An exchange suggests that someone or some circumstance has initiated the need for change. To be exchanging clothes with someone signifies our need for a new persona.