Feels like i'm being stung in my ankle but it moves around my legs. is this from existing nerve problems?

Very likely: Was there any trauma or injury in your past. Stinging can be nerve issue, have you had this problem before or injured a nerve in your back or upper leg?

Nerve pain: This could be nerve pain. It is difficult to say without more information and an exam. Nerve pain is often stinging or burning in nature. It can stay in one area or move around depending on the type or nerve problem.