OEX

AAA

DEFINITION of 'OEX'

The ticker symbol used to identify index options traded on the Standard & Poor's 100 index. OEX options are listed with a letter code indicating the month code for puts and calls, and a letter code indicating the strike price. Strike prices greater than five points use three letters to indicate which group of 100 the option is trading for.

INVESTOPEDIA EXPLAINS 'OEX'

For example, a February Call 480 would be written as OXB BP, which can also be written as OXBBP or OXB=BP. The S&P 100 is a market-capitalization weighted index of 100 stocks from a broad range of industries.

RELATED TERMS
  1. Dow Jones Industrial Average - ...

    The Dow Jones Industrial Average is a price-weighted average ...
  2. Standard & Poor's 500 Index - S&P ...

    An index of 500 stocks chosen for market size, liquidity and ...
  3. Standard & Poor's - S&P

    The world's leading index provider and the foremost source of ...
  4. Strike Width

    The difference between the strike price of an option and the ...
  5. Inverse Transaction

    A transaction that can cancel out a forward contract that has ...
  6. Reference Equity

    The underlying equity that an investor is seeking price movement ...
RELATED FAQS
  1. What risks should I consider taking a short put position?

    The risks to consider before taking a short put position are the odds of sustained weakness in the asset price and a spike ... Read Full Answer >>
  2. What happens if a software glitch fails to execute the strike price I set?

    If you've ever suffered the frustrating experience of having an order not filled or had a strike price fail to execute because ... Read Full Answer >>
  3. In what market situations might a short put be a profitable trade?

    Short puts would be a profitable trade in low-volatility bull markets or range-bound markets. Selling puts is a strategy ... Read Full Answer >>
  4. What is the relationship between implied volatility and the volatility skew?

    The volatility skew refers to the shape of implied volatilities for options graphed across the range of strike prices for ... Read Full Answer >>
  5. How is a short call used in a collar option strategy?

    An investor uses a short call sold above the current market price to collect a premium in a collar option strategy. The core ... Read Full Answer >>
  6. Why should investors consider the fully diluted share amount?

    Investors should consider a company's fully diluted share amount before purchasing the company's stock, because it could ... Read Full Answer >>
Related Articles
  1. Mutual Funds & ETFs

    The Hidden Differences Between Index Funds

    These funds don't all match index returns. Find out how to avoid costly surprises.
  2. Options & Futures

    The Lowdown On Index Funds

    If you can't beat the market, why not join it? Read on to go over your options.
  3. Options & Futures

    Trading OEX Options: The Risk Of Early Exercise

    Exercising early can benefit options traders, but only when trading American-style options.
  4. Mutual Funds & ETFs

    Index Investing

    Get to know the most important market indices and the pros and cons of investing in them.
  5. Investing Basics

    What is a Greenshoe Option?

    A greenshoe option is a provision in an underwriting agreement that allows the underwriter to buy up to 15% of the shares in an IPO at the offer price.
  6. Investing Basics

    What Does a Clearing House Do?

    A clearing house is a third-party agency or separate entity that acts as a go-between for buyers and sellers in financial markets.
  7. Options & Futures

    How The New NYSE Binary Options Work

    The New York Stock Exchange has launched its own version of binary options called Binary Return Derivatives Options or ByRDs.
  8. Mutual Funds & ETFs

    4 Ways You Can Invest In Gold Without Holding It

    Owning gold can be a store of value and a hedge against unexpected inflation. Holding physical gold, however, can be cumbersome and costly. Fortunately, there are several ways to own gold without ...
  9. Active Trading Fundamentals

    How To Short Amazon Stock

    With the stock reaching all-time highs and the company gambling on several new business lines, many investors may feel it's a good time to short sell Amazon.
  10. Investing Basics

    What is Meant by Implied Volatility?

    The estimated volatility of a security's price.

You May Also Like

Hot Definitions
  1. Multicurrency Note Facility

    A credit facility that finances short- to medium-term Euro notes. Multicurrency note facilities are denominated in many currencies. ...
  2. National Currency

    The currency or legal tender issued by a nation's central bank or monetary authority. The national currency of a nation is ...
  3. Treasury Yield

    The return on investment, expressed as a percentage, on the debt obligations of the U.S. government. Treasuries are considered ...
  4. Bund

    A bond issued by Germany's federal government, or the German word for "bond." Bunds are the German equivalent of U.S. Treasury ...
  5. European Central Bank - ECB

    The central bank responsible for the monetary system of the European Union (EU) and the euro currency. The bank was formed ...
  6. Quantitative Easing

    An unconventional monetary policy in which a central bank purchases private sector financial assets in order to lower interest ...
Trading Center
×

You are using adblocking software

Want access to all of Investopedia? Add us to your “whitelist”
so you'll never miss a feature!