In finance, a trader is someone who buys and sells financial instruments such as stocks, bonds and derivatives.
Traders are professionals, casual investors or speculators in financial instruments traded in the stock markets, derivatives markets and commodity markets, comprising the stock exchanges, derivatives exchanges and the commodities exchanges.
Several categories and designations for diverse kinds of traders are found in finance, these may include:
stock trader
day trader
floor trader
Thursday, April 26, 2007
Wednesday, January 10, 2007
Trading and Valuing Bonds
The interest rate is influenced by a variety of factors, such as current market interest rates, the length of the term and the credit worthiness of the issuer.
These factors are likely to change over time, so the market value of a bond can vary after it is issued. Because of these differences in market value, bonds are priced in terms of percentage of par value. Bonds are not necessarily issued at par (100% of face value, corresponding to a price of 100), but all bond prices converge to par at the moment before they reach maturity. At other times, prices can either rise (bond is priced at greater than 100), which is called trading at a premium, or fall (bond is priced at less than 100), which is called trading at a discount. Most government bonds are denominated in units of $1000, if in the United States, or in units of £100, if in the United Kingdom. Hence, a deep discount US bond, selling at a price of 75.26, indicates a selling price of $752.60 per bond sold. (Often, bond prices are quoted in points and thirty-seconds of a point, rather than in decimal form.) Some short-term bonds, such as the U.S. T-Bill, are always issued at a discount, and pay par amount at maturity rather than paying coupons. This is called a discount bond.
The market price of a bond is the present value of all future interest and principal payments of the bond discounted at the bond's yield, or rate of return. The yield represents the current market interest rate for bonds with similar characteristics. The yield and price of a bond are inversely related so that when market interest rates rise, bond prices generally fall and vice versa.
The interest rate adjusted for the current price of the bond is called the "current yield" or "earnings yield" (this is the nominal yield multiplied by the par value and divided by the price).
The market price of a bond may include the accrued interest since the last coupon date. (Some bond markets include accrued interest in the trading price and others add it on explicitly after trading.) The price including accrued interest is known as the "flat" or "dirty price". (See also Accrual bond.) The price excluding accrued interest is sometimes known as the Clean price.
Taking into account the expected capital gain or loss (the difference between the current price and the redemption value) gives the "redemption yield": roughly the current yield plus the capital gain (negative for loss) per year until redemption.
Bonds markets, unlike stock or share markets, often do not have a centralized exchange or trading system. Rather, in most developed bond markets such as the U.S., Japan and western Europe, bonds trade in decentralized, dealer-based over-the-counter markets. In such a market, market liquidity is provided by dealers and other market participants committing risk capital to trading activity. In the bond market, when an investor buys or sells a bond, the counterparty to the trade is almost always a bank or securities firm acting as a dealer. In some cases, when a dealer buys a bond from an investor, the dealer carries the bond "in inventory." The dealer's position is then subject to risks of price fluctuation. In other cases, the dealer immediately resells the bond to another investor.
Bond markets also differ from stock markets in that investors generally do not pay brokerage commissions to dealers with whom they buy or sell bonds. Rather, dealers earn revenue for trading with their investor customers by means of the spread, or difference, between the price at which the dealer buys a bond from one investor--the "bid" price--and the price at which he or she sells the same bond to another investor--the "ask" or "offer" price. The bid/offer spread represents the total transaction cost associated with transferring a bond from one investor to another.
The relationship between yield and maturity for otherwise identical bonds is called a yield curve.
These factors are likely to change over time, so the market value of a bond can vary after it is issued. Because of these differences in market value, bonds are priced in terms of percentage of par value. Bonds are not necessarily issued at par (100% of face value, corresponding to a price of 100), but all bond prices converge to par at the moment before they reach maturity. At other times, prices can either rise (bond is priced at greater than 100), which is called trading at a premium, or fall (bond is priced at less than 100), which is called trading at a discount. Most government bonds are denominated in units of $1000, if in the United States, or in units of £100, if in the United Kingdom. Hence, a deep discount US bond, selling at a price of 75.26, indicates a selling price of $752.60 per bond sold. (Often, bond prices are quoted in points and thirty-seconds of a point, rather than in decimal form.) Some short-term bonds, such as the U.S. T-Bill, are always issued at a discount, and pay par amount at maturity rather than paying coupons. This is called a discount bond.
The market price of a bond is the present value of all future interest and principal payments of the bond discounted at the bond's yield, or rate of return. The yield represents the current market interest rate for bonds with similar characteristics. The yield and price of a bond are inversely related so that when market interest rates rise, bond prices generally fall and vice versa.
The interest rate adjusted for the current price of the bond is called the "current yield" or "earnings yield" (this is the nominal yield multiplied by the par value and divided by the price).
The market price of a bond may include the accrued interest since the last coupon date. (Some bond markets include accrued interest in the trading price and others add it on explicitly after trading.) The price including accrued interest is known as the "flat" or "dirty price". (See also Accrual bond.) The price excluding accrued interest is sometimes known as the Clean price.
Taking into account the expected capital gain or loss (the difference between the current price and the redemption value) gives the "redemption yield": roughly the current yield plus the capital gain (negative for loss) per year until redemption.
Bonds markets, unlike stock or share markets, often do not have a centralized exchange or trading system. Rather, in most developed bond markets such as the U.S., Japan and western Europe, bonds trade in decentralized, dealer-based over-the-counter markets. In such a market, market liquidity is provided by dealers and other market participants committing risk capital to trading activity. In the bond market, when an investor buys or sells a bond, the counterparty to the trade is almost always a bank or securities firm acting as a dealer. In some cases, when a dealer buys a bond from an investor, the dealer carries the bond "in inventory." The dealer's position is then subject to risks of price fluctuation. In other cases, the dealer immediately resells the bond to another investor.
Bond markets also differ from stock markets in that investors generally do not pay brokerage commissions to dealers with whom they buy or sell bonds. Rather, dealers earn revenue for trading with their investor customers by means of the spread, or difference, between the price at which the dealer buys a bond from one investor--the "bid" price--and the price at which he or she sells the same bond to another investor--the "ask" or "offer" price. The bid/offer spread represents the total transaction cost associated with transferring a bond from one investor to another.
The relationship between yield and maturity for otherwise identical bonds is called a yield curve.
Issuance of Bonds
Bonds are issued by public authorities, credit institutions, companies and supranational institutions in the primary markets. The most common process of issuing bonds is through underwriting. In underwriting, one or more securities firms or banks, forming a syndicate, buy an entire issue of bonds from an issuer and re-sell them to investors. Government bonds are typically auctioned.
The pictured bond was issued for the construction of the building now known as New York City Center. The elaborate engraving is typical of certificated bonds, in this case using the fraternal organization's logo, rather than neoclassical human figures, idealized versions of the corporation's business, or architectural elements, all common decorations on bonds. Coupons from this bond can be seen under Coupon. The bond and the coupons have no economic value today because the corporation became insolvent within a few years of the Wall Street Crash of 1929. The bond was purchased from a dealer of worthless securities, sometimes called wallpaper.
The pictured bond was issued for the construction of the building now known as New York City Center. The elaborate engraving is typical of certificated bonds, in this case using the fraternal organization's logo, rather than neoclassical human figures, idealized versions of the corporation's business, or architectural elements, all common decorations on bonds. Coupons from this bond can be seen under Coupon. The bond and the coupons have no economic value today because the corporation became insolvent within a few years of the Wall Street Crash of 1929. The bond was purchased from a dealer of worthless securities, sometimes called wallpaper.
Bond
In finance, a bond is a debt security, in which the issuer owes the holders a debt and is obliged to repay the principal and interest (the coupon) at a later date, termed maturity. Other stipulations may also be attached to the bond issue, such as the obligation for the issuer to provide certain information to the bond holder, or limitations on the behavior of the issuer. Bonds are generally issued for a fixed term (the maturity) longer than ten years. U.S Treasury securities issued debt with life of ten years or more is a bond. New debt between one year and ten years is a note, and new debt less than a year-bill
Bonds and stocks are both securities, but the difference is that stock holders own a part of the issuing company (have an equity stake), whereas bond holders are in essence lenders to the issuer. Also bonds usually have a defined term, or maturity, after which the bond is redeemed whereas stocks may be outstanding indefinitely. An exception is a consol bond, which is a perpetuity, a bond with no maturity.
Traditionally, the U.S. Treasury uses the word bond only for their issues with a maturity longer than ten years, and calls issues between one and ten year notes. Elsewhere in the market this distinction has disappeared, and both bonds and notes are used irrespective of the maturity. Market participants normally use bonds for large issues offered to a wide public, and notes rather for smaller issues originally sold to a limited number of investors. There are no clear demarcations. There are also "bills" which usually denote fixed income securities with three years or less, from the issue date, to maturity. Bonds have the highest risk, notes are the second highest risk, and bills have the least risk. This is due to a statistical measure called duration, where lower durations have less risk, and are associated with shorter term obligations.
A bond is simply a loan, but in the form of a security, although terminology used is rather different. The issuer is equivalent to the borrower, the bond holder to the lender, and the coupon to the interest. Bonds enable the issuer to finance long-term investments with external funds. Debt securities with a maturity shorter than one year are typically bills. Certificates of deposit (CDs) or commercial paper are considered money market instruments.
Bonds and stocks are both securities, but the difference is that stock holders own a part of the issuing company (have an equity stake), whereas bond holders are in essence lenders to the issuer. Also bonds usually have a defined term, or maturity, after which the bond is redeemed whereas stocks may be outstanding indefinitely. An exception is a consol bond, which is a perpetuity, a bond with no maturity.
Traditionally, the U.S. Treasury uses the word bond only for their issues with a maturity longer than ten years, and calls issues between one and ten year notes. Elsewhere in the market this distinction has disappeared, and both bonds and notes are used irrespective of the maturity. Market participants normally use bonds for large issues offered to a wide public, and notes rather for smaller issues originally sold to a limited number of investors. There are no clear demarcations. There are also "bills" which usually denote fixed income securities with three years or less, from the issue date, to maturity. Bonds have the highest risk, notes are the second highest risk, and bills have the least risk. This is due to a statistical measure called duration, where lower durations have less risk, and are associated with shorter term obligations.
A bond is simply a loan, but in the form of a security, although terminology used is rather different. The issuer is equivalent to the borrower, the bond holder to the lender, and the coupon to the interest. Bonds enable the issuer to finance long-term investments with external funds. Debt securities with a maturity shorter than one year are typically bills. Certificates of deposit (CDs) or commercial paper are considered money market instruments.
Monday, January 8, 2007
Risk
Risk is concerned with the unknown. Upside risk is the possibility of gain. Downside risk is the possibility of loss. One half the reasons to use options (like other derivatives) is to reduce risk. Certainty is exchanged with other players who assume the risk in hope of big gains. It is wrong to state that "options are risky."
reduce risk: The seller of a covered call exchanges his upside risk (gains above the strike price) for the certainty of cash in hand (the premium). The buyer of a covered put limits his downside risk for a price - just like buying fire insurance for your house.
increase risk: The buyer of a call wants the upside risk of an asset, but will only pay a small percentage of its current value, so his returns are leveraged. The seller of a put accepts the downside risk of locking in his purchase price of an asset, in exchange for the premium.
To understand risk, look at the four standard graphs of options (put-call-buy-sell). The value of the options in the interim between purchase and expiration will not be exactly like these graphs, but close enough. In all cases, the premium was a certainty.
Buyers start out-of-pocket. But going forward, the option buyer has no downsider risk. The graph either flat lines or goes up on either side of the spot price.
Sellers start with a gain. Going forward, they have no upside risk. These graphs either flat line or go down on either side of the spot price.
The extent of risk varies. Buyers/sellers of calls have unlimited upside/downside risk as the asset price increases. Buyers/sellers of puts have upside/downside risk limited to the spot price of the asset (less the premium).
Valuation
The premium for an option contract is ultimately determined by supply and demand, but is influenced by five principal factors:
The price of the underlying security in relation to...
The strike price. Options will be in-the-money when there is a positive intrinsic value; when the strike price is above/below (put/call) the security's current price. They will be at-the-money when the strike price equals the security's current price. They will be out-of-the-money when the strike price is below/above (put/call) the security's current price. Options at-the-money or out-of-the-money have an intrinsic value of zero.
The cumulative cost required to hold a position in the security (including interest + dividends).
The time to expiration. The time value decreases to zero at its expiration date. The option style determines when the buyer may exercise the option. Generally the contract will either be American style - which allows exercise up to the expiration date - or European style - where exercise is only allowed on the expiration date - or Bermudan style - where exercise is allowed on several, specific dates up to the expiration date. European contracts are easier to value. Due to the "American" style option having the advantage of an early exercise day (i.e. at any time on or before the options expiry date), they are always at least as valuable as the "European" style option (only exercisable at the expiration date).
The estimate of the future volatility of the security's price. This is perhaps the least-known input into any pricing model for options, therefore traders often look to the marketplace to see what the implied volatility of an option is -- meaning that given the price of an option and all the other inputs except volatility you can solve for that value.
Pricing models include the binomial options model for American options and the Black-Scholes model for European options. Even though there are pricing models, the value of an option is a personal decision, requiring multiple trade offs and depending on the investment objective. See the Excel model for the metrics of a call option.
Because options are derivatives, they can be combined with different combinations of
other options
risk free T-bills
the underlying security, and
futures contracts on that security
to create a risk neutral portfolio (zero risk, zero cost, zero return). In a liquid market, arbitrageurs ensure that the values of all these assets are 'self-leveling', i.e. they incorporate the same assumptions of risk/reward. In theory traders could buy cheap options and sell expensive options (relative to their theoretical prices), in quantities such that the overall delta is zero, and expect to make a profit. Nevertheless, implementing this in practice may be difficult because of "stale" stock prices, large bid/ask spreads, market closures and other symptoms of stock market illiquidity. If stock market prices do not follow a random walk (due, for example, to insider trading) this delta neutral strategy or other model-based strategies may encounter further difficulties. Even for veteran traders using very sophisticated models, option trading is not an easy game to play.
The price of the underlying security in relation to...
The strike price. Options will be in-the-money when there is a positive intrinsic value; when the strike price is above/below (put/call) the security's current price. They will be at-the-money when the strike price equals the security's current price. They will be out-of-the-money when the strike price is below/above (put/call) the security's current price. Options at-the-money or out-of-the-money have an intrinsic value of zero.
The cumulative cost required to hold a position in the security (including interest + dividends).
The time to expiration. The time value decreases to zero at its expiration date. The option style determines when the buyer may exercise the option. Generally the contract will either be American style - which allows exercise up to the expiration date - or European style - where exercise is only allowed on the expiration date - or Bermudan style - where exercise is allowed on several, specific dates up to the expiration date. European contracts are easier to value. Due to the "American" style option having the advantage of an early exercise day (i.e. at any time on or before the options expiry date), they are always at least as valuable as the "European" style option (only exercisable at the expiration date).
The estimate of the future volatility of the security's price. This is perhaps the least-known input into any pricing model for options, therefore traders often look to the marketplace to see what the implied volatility of an option is -- meaning that given the price of an option and all the other inputs except volatility you can solve for that value.
Pricing models include the binomial options model for American options and the Black-Scholes model for European options. Even though there are pricing models, the value of an option is a personal decision, requiring multiple trade offs and depending on the investment objective. See the Excel model for the metrics of a call option.
Because options are derivatives, they can be combined with different combinations of
other options
risk free T-bills
the underlying security, and
futures contracts on that security
to create a risk neutral portfolio (zero risk, zero cost, zero return). In a liquid market, arbitrageurs ensure that the values of all these assets are 'self-leveling', i.e. they incorporate the same assumptions of risk/reward. In theory traders could buy cheap options and sell expensive options (relative to their theoretical prices), in quantities such that the overall delta is zero, and expect to make a profit. Nevertheless, implementing this in practice may be difficult because of "stale" stock prices, large bid/ask spreads, market closures and other symptoms of stock market illiquidity. If stock market prices do not follow a random walk (due, for example, to insider trading) this delta neutral strategy or other model-based strategies may encounter further difficulties. Even for veteran traders using very sophisticated models, option trading is not an easy game to play.
Types of Options
Real option (real option) is a choice that an investor has when investing in the real economy (i.e. in the production of goods or services, rather than in financial contracts). This option may be something as simple as the opportunity to expand production, or to change production inputs. Real options are an increasingly influential tool in corporate finance. They are typically difficult or impossible to trade, and lack the liquidity of exchange-traded options.
Traded options (also called "Exchange-Traded Options" or "Listed Options") is a class of Exchange traded derivatives. As for other classes of exchange traded derivatives, trade options have standardized contracts, quick systematic pricing, and are settled through a clearing house (ensuring fulfillment). Trade options include
stock options, discussed below,
commodity options,
bond options,
interest rate options
index (equity) options,
currency cross rate options, and
swaption.
Vanilla options are 'simple', well understood, and traded options; Exotic options are more complex, or less easily understood. Asian options, lookback options, barrier options are considered to be exotic, especially if the underlying instrument is more complex than simple equity or debt.
Employee stock options (employee stock option) are issued by a company to its employees as compensation.
Traded options (also called "Exchange-Traded Options" or "Listed Options") is a class of Exchange traded derivatives. As for other classes of exchange traded derivatives, trade options have standardized contracts, quick systematic pricing, and are settled through a clearing house (ensuring fulfillment). Trade options include
stock options, discussed below,
commodity options,
bond options,
interest rate options
index (equity) options,
currency cross rate options, and
swaption.
Vanilla options are 'simple', well understood, and traded options; Exotic options are more complex, or less easily understood. Asian options, lookback options, barrier options are considered to be exotic, especially if the underlying instrument is more complex than simple equity or debt.
Employee stock options (employee stock option) are issued by a company to its employees as compensation.
Option
An option contract is an agreement in which the buyer (holder) has the right (but not the obligation) to exercise by buying or selling an asset at a set price (strike price) on (European style option) or before (American style option) a future date (the exercise date or expiration); and the seller (writer) has the obligation to honor the terms of the contract. Since the option gives the buyer a right and the writer an obligation, the buyer pays the option premium to the writer. The buyer is considered to have a long position, and the seller a short position.
Given that the contract's value is determined by an underlying asset and other variables, it is classified as a derivative.
For every open contract there is a buyer and a seller. Traders in exchange-traded options do not usually interact directly, but through a clearing house such as, in the U.S., the Options Clearing Corporation (OCC) or in Germany and Luxemburg Clearstream International. The clearing house guarantees that an assigned writer will fulfill his obligation if the option is exercised.
Given that the contract's value is determined by an underlying asset and other variables, it is classified as a derivative.
For every open contract there is a buyer and a seller. Traders in exchange-traded options do not usually interact directly, but through a clearing house such as, in the U.S., the Options Clearing Corporation (OCC) or in Germany and Luxemburg Clearstream International. The clearing house guarantees that an assigned writer will fulfill his obligation if the option is exercised.
Futures Contract
In finance, a futures contract is a standardized contract, traded on a futures exchange, to buy or sell a certain underlying instrument at a certain date in the future, at a specified price. The future date is called the delivery date or final settlement date. The pre-set price is called the futures price. The price of the underlying asset on the delivery date is called the settlement price. The settlement price, normally, converges towards the futures price on the delivery date.
A futures contract gives the holder the obligation to buy or sell, which differs from an options contract, which gives the holder the right, but not the obligation. In other words, the owner of an options contract may exercise the contract. If it is an American-style option, it can be exercised on or before the expiration date; a European option can only be exercised at expiration. Thus, a Futures contract is more like a European option. Both parties of a "futures contract" must fulfill the contract on the settlement date. The seller delivers the commodity to the buyer, or, if it is a cash-settled future, then cash is transferred from the futures trader who sustained a loss to the one who made a profit. To exit the commitment prior to the settlement date, the holder of a futures position has to offset his position by either selling a long position or buying back a short position, effectively closing out the futures position and its contract obligations.
A futures contract gives the holder the obligation to buy or sell, which differs from an options contract, which gives the holder the right, but not the obligation. In other words, the owner of an options contract may exercise the contract. If it is an American-style option, it can be exercised on or before the expiration date; a European option can only be exercised at expiration. Thus, a Futures contract is more like a European option. Both parties of a "futures contract" must fulfill the contract on the settlement date. The seller delivers the commodity to the buyer, or, if it is a cash-settled future, then cash is transferred from the futures trader who sustained a loss to the one who made a profit. To exit the commitment prior to the settlement date, the holder of a futures position has to offset his position by either selling a long position or buying back a short position, effectively closing out the futures position and its contract obligations.
Financial Instruments
Financial instruments is either a real or virtual document representing a legal agreement involving some sort of monetary value.
Financial instruments can be categorised by form depending on whether they are cash instruments or derivative instruments.
Cash instruments are financial instruments whose value is determined directly by markets. They can be divided into securities, which are readily transferable, and other cash instruments such as loans and deposits, where both borrower and lender have to agree on a transfer.
Derivative instruments are financial instruments which derive their value from some other financial instrument or variable. They can be divided into exchange traded derivatives and over-the-counter (OTC) derivatives.
Alternatively they can be categorised by "asset class" depending on whether they are equity based (reflecting ownership of the issuing entity) or debt based (reflecting a loan the investor has made to the issuing entity). If it is debt, it can be further categorised into short term (less than one year) or long term.
Financial instruments can be categorised by form depending on whether they are cash instruments or derivative instruments.
Cash instruments are financial instruments whose value is determined directly by markets. They can be divided into securities, which are readily transferable, and other cash instruments such as loans and deposits, where both borrower and lender have to agree on a transfer.
Derivative instruments are financial instruments which derive their value from some other financial instrument or variable. They can be divided into exchange traded derivatives and over-the-counter (OTC) derivatives.
Alternatively they can be categorised by "asset class" depending on whether they are equity based (reflecting ownership of the issuing entity) or debt based (reflecting a loan the investor has made to the issuing entity). If it is debt, it can be further categorised into short term (less than one year) or long term.
Financial Markets in Popular Culture
Only negative stories about financial markets tend to make the news. The general perception, for those not involved in the world of financial markets is of a place full of crooks and con artists. Big stories like the Enron scandal serve to enhance this view.
Stories that make the headlines involve the incompetent, the lucky and the downright skillful. The Barings scandal is a classic story of incompetence mixed with greed leading to dire consequences. Another story of note is that of Black Wednesday, when sterling came under attack from hedge fund speculators. This led to major problems for the United Kingdom and had a serious impact on its course in Europe. A commonly recurring event is the stock market bubble, whereby market prices rise to dizzying heights in a so called exaggerated bull market. This is not a new phenomenon; indeed the story of Tulip mania in the Netherlands in the 17th century illustrates an early recorded example.
Financial markets are merely tools. Like all tools they have both beneficial and harmful uses. Overall, financial markets are used by honest people. Otherwise, people would turn away from them en masse. As in other walks of life, the financial markets have their fair share of rogue elements.
Stories that make the headlines involve the incompetent, the lucky and the downright skillful. The Barings scandal is a classic story of incompetence mixed with greed leading to dire consequences. Another story of note is that of Black Wednesday, when sterling came under attack from hedge fund speculators. This led to major problems for the United Kingdom and had a serious impact on its course in Europe. A commonly recurring event is the stock market bubble, whereby market prices rise to dizzying heights in a so called exaggerated bull market. This is not a new phenomenon; indeed the story of Tulip mania in the Netherlands in the 17th century illustrates an early recorded example.
Financial markets are merely tools. Like all tools they have both beneficial and harmful uses. Overall, financial markets are used by honest people. Otherwise, people would turn away from them en masse. As in other walks of life, the financial markets have their fair share of rogue elements.
Analysis of Financial Markets
Much effort has gone into the study of financial markets and how prices vary with time. Charles Dow, one of the founders of Dow Jones & Company and The Wall Street Journal, enunciated a set of ideas on the subject which are now called Dow Theory. This is the basis of the so-called technical analysis method of attempting to predict future changes. One of the tenets of "technical analysis" is that market trends give an indication of the future, at least in the short term. The claims of the technical analysts are disputed by many academics, who claim that the evidence points rather to the random walk hypothesis, which states that the next change is not correlated to the last change.
The scale of changes in price over some unit of time is called the volatility. It was discovered by Benoît Mandelbrot that changes in prices do not follow a Gaussian distribution, but are rather modeled better by Lévy stable distributions. The scale of change, or volatiliy, depends on the length of the time unit to a power a bit more than 1/2. Large changes up or down are more likely that what one would calculate using a Gaussian distribution with an estimated standard deviation.
Currency Markets
Seemingly, the most obvious buyers and sellers of foreign exchange are importers/exporters. While this may have been true in the distant past, whereby importers/exporters created the initial demand for currency markets, importers and exporters now represent only 1/32 of foreign exchange dealing, according to BIS.
The picture of foreign currency transactions today shows:
Banks and Institutions S
peculators
Government spending (for example, military bases abroad)
Importers/Exporters
Tourists
The picture of foreign currency transactions today shows:
Banks and Institutions S
peculators
Government spending (for example, military bases abroad)
Importers/Exporters
Tourists
Sunday, January 7, 2007
Financial Market
In economics a financial market is a mechanism that allows people to easily buy and sell (trade) financial securities (such as stocks and bonds), commodities (such as precious metals or agricultural goods), and other fungible items of value at low transaction costs and at prices that reflect efficient markets.
Financial markets have evolved significantly over several hundred years and are undergoing constant innovation to improve liquidity.
Both general markets, where many commodities are traded and specialised markets (where only one commodity is traded) exist. Markets work by placing many interested sellers in one "place", thus making them easier to find for prospective buyers. An economy which relies primarily on interactions between buyers and sellers to allocate resources is known as a market economy in contrast either to a command economy or to a non-market economy that is based, such as a gift economy.
Financial markets have evolved significantly over several hundred years and are undergoing constant innovation to improve liquidity.
Both general markets, where many commodities are traded and specialised markets (where only one commodity is traded) exist. Markets work by placing many interested sellers in one "place", thus making them easier to find for prospective buyers. An economy which relies primarily on interactions between buyers and sellers to allocate resources is known as a market economy in contrast either to a command economy or to a non-market economy that is based, such as a gift economy.
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