oct24chart1Today the opening price of the E-mini S&P was (1744) today. Shortly after opening, the day’s low (1740) was hit at 9:50 a.m. Eastern time. The day’s high of (1750.25) was reached at 4:10 p.m. Eastern time. An instrument is another word “market”, a tradeable asset involved in a financial exchange. The two types of instruments are cash and derivatives. With a cash instrument, the value is determined by the market. Securities are also cash instruments. Derivatives are based on underlying indexes, interest rates, or assets. Stocks and bonds are defined as securities and equity and Forex by derivatives.