In 1933, the COMEX was established through the merger of four smaller exchanges; the National Metal Exchange, the Rubber Exchange of New York, the National Raw Silk Exchange, and the New York Hide Exchange.
Pada tahun 1933, COMEX didirikan berdasarkan penggabungan usaha dari empat bursa kecil yaitu "National Metal Exchange", "Rubber Exchange of New York", "National Raw Silk Exchange", dan "New York Hide Exchange".