Sociedad Quimica Y Minera S.A. ADR. Replay the stock market charts of SQM day by day back to 2003. Open long and short positions without spending any money. Sociedad Quimica Y Minera De Chile SA is an integrated producer of potassium nitrate and iodine chemicals. It also produces plant nutrients, potassium chloride, potassium sulfate and certain industrial chemicals including industrial nitrates.
