An index option is an option that represents a specific index—a group of items that collectively make up the index. We have already discussed the index markets and exchange-traded funds. Options on indexes and ETFs fluctuate with market conditions. Broad-based indexes cover a wide range of industries and companies. Narrow-based indexes cover stocks in one industry or economic sector.
Index options allow investors to trade in a specific industry group or market without having to buy all the stocks individually. The index is calculated as the average change of the stock price of each stock in the index. Each index has a specific mathematical calculation to determine the price change, up or down. An index or ETF option is an option that is tied directly to the change in the value of the index or exchange-traded fund.
Index options make up a very large segment of the options that are traded. Why are so many options traded on indexes? The explosive growth in index trading has occurred in recent years due to the increase in both the number of indexes and the number of traders who have become familiar with index trading. The philosophy of an index is that a group of stocks—a portfolio—will diversify the risk of owning just one stock. Hence, an index of stocks will better replicate what is happening in an industry or the market as a whole. This allows an investor or trader to participate in the movement of a specific industry, both to the upside and to the downside.
It appears that index and ETF options will continue to proliferate and trading volume will increase in many of the instruments. A word of caution: A number of these instruments do not have much liquidity. However, used wisely, index options can be an important instrument in your trading arsenal. Also, it is important to understand the difference between the way ETF options and index options settle. Namely, exchange-traded funds, which can be bought and sold like stocks, settle for shares. Cash indexes cannot be bought or sold. They settle for cash.
Index options make up a very large segment of the options that are traded. Why are so many options traded on indexes? The explosive growth in index trading has occurred in recent years due to the increase in both the number of indexes and the number of traders who have become familiar with index trading. The philosophy of an index is that a group of stocks—a portfolio—will diversify the risk of owning just one stock. Hence, an index of stocks will better replicate what is happening in an industry or the market as a whole. This allows an investor or trader to participate in the movement of a specific industry, both to the upside and to the downside.
It appears that index and ETF options will continue to proliferate and trading volume will increase in many of the instruments. A word of caution: A number of these instruments do not have much liquidity. However, used wisely, index options can be an important instrument in your trading arsenal. Also, it is important to understand the difference between the way ETF options and index options settle. Namely, exchange-traded funds, which can be bought and sold like stocks, settle for shares. Cash indexes cannot be bought or sold. They settle for cash.
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