A Stock Market index option is a kind of option. In fact, it is a kind of financial derivative. It is often tied to either a narrow-based index or a broad-based index.

The abbreviation OEX is a ticker symbol for the index option traded on the Standard and Poor's 100 index. At the time of writing the price of the OEX option is 725.

One can purchase an index option for stocks through Investopeida. They explain exactly what it involves and have links to the various providers. One can use TD Direct Investing to.

Most stock options that are bought and sold are "American-style" options which means they can be exercised at any time by the option owner during the lifespan of the option. A few options are "European-style options". This means that they can only be exercised at the end of the option's lifespan, just before expiration. Most European-style options are index options. A few that may be of interest are NDZ, the Nasdaq-100 index; RUT, the Russell 200 index, and SPX, the S&P 500 index. For more information about using options please visit http://www.safe-options-trading-income.com

A floatdown gives the customer a one-time option to lower his/her loan interest rate for the remainder of the loan term. The option normally provides a formula for the resetting of the rate based on an independent index and a margin (spread above the index) and is usually available for a set (limited) length of time during the loan term.