No, call auction does not exist in the normal trading of American futures, so it does not exist. The capital of the United States, Washington. Located in central North America, it borders Canada in the north, the Gulf of Mexico in the south, the Pacific Ocean in the west and the Atlantic Ocean in the east. Most areas have a continental climate, while the south has a subtropical climate. The terrain is generally high in the west and low in the east, rich in natural resources, and the total proven reserves of mineral resources rank first in the world.