Stock Market Terms

Advanced Computerized Execution System (ACES)
This is the service offered by NASDAQ to broker-dealers to automatically perform internal transactions and process the records appropriately.

After Hours Trading
Trading on normal currencies after normal trading hours.

Arbitrage
This is transacting to profit between two or more market by taking advantage of the difference in prices in the similar markets.

Ask
This is the price which a trader can buy a currency offered for sale.

Attain ECN (ATTN)
This is a broker-dealer that specializes on direct access electronic trading.

Auction Market
This is the market where buyers and sellers compete to buy and sell currencies respectively.

Back testing
This means analyzing the history of the investment opportunity provided and comparing with the present trends to see how successful (if successful) the investment would be.

Bear Market
This is the period when the declines in prices of individual securities or assets have fallen for a long time.

Best Ask
This is the lowest price of a security or asset which a seller can accept at a particular time.

Best Bid
This is the highest price of a security or asset which a buyer can give at a particular time.

Beta
This term is used to note how volatile or how risky an investment on a security might be when compared to the overall market.

Bid
This is the price one is offering on stocks or commodities.

Big Board
This is the major indigenous stock exchange company in the US, responsible for overseeing the activities in the stock exchange operations.

Block Trade
This is the transaction of a very large amount of shares (typically 10,000 or more) worth at least $200,000.

Blue Chip
These are stocks that are seen as less volatile. Their investments are considered to be more profitable.

Broker-Dealer
This is an individual or a company that trades on securities. The individual or company can also perform the actions of a broker or a dealer.

BRUT ECN
An Electronic Communications Network owned by Brut.

Bull market
This is a market where prices of securities have risen for a long time without returning to the normal prices.

Circuit Breakers
This refers to the procedures/measures that are employed to halt trading on all US stock markets for a particular period of time.

Close Position
This means buying back a stock to prevent a reversal of price trend which may have been observed in the stock market.

Consolidated Quote System (CQS)
This is the service delivered by NASDAQ informing its subscribers on quotations of stocks traded on the regional stock exchanges in the US.

Common Stock
This is the security owned by investors to seal their participation in owning a company.

Crossed Market
This is the case when the bid price of an asset or stock is greater than the ask price.

CUSIP
Committee on Uniform Security Identification Procedures.

Day Order
An order, if not transacted on the day it was placed would get expired.

Day Trading
This refers to the transactions that are made and within the same trading day before close of trade for the day.

Depth of Market
This is the amount of assets or commodities that can be transacted without a large difference in price change at the end of trading.

Derivative
This is an asset/commodity that gets its value from another asset/commodity.

Diversification
This is the method of spreading investments within a portfolio to reduce the risk of losing within a portfolio.

Dividend
This refers to the profits issued by companies to their share holders.

Dollar Cost Averaging
This means buying stocks bit by bit over a long period of time.

Downtick
This is normally experienced when a current transaction price falls below the initial transaction price.

Dow Theory
This theory states that the market appreciates if one of its averages goes above a previous important high.

ECN
It is designed to facilitate trading of stocks and currencies.

Fill or Kill (FOK)
This is an order made on a large amount of stocks. It is either that the transaction to be made ill be made completely or it will not be made at all.

Firm Quote
This is a non negotiable price of a security made by a market maker on not more than 100 shares.

Floor
This is the medium whereby bids and offers are made by traders.

Floor Trader
This is a registered competitive trader who understands the rules of a stock/commodities exchange for his own account.

Front Running
This happens when a broker trades based on the information obtained from the analyst department before the clients (of the broker) receives the information.

Fundamental Analysis
This means understanding the overall state of a business company. Factors that may be looked into are earnings and productions made by the company.

Gap
This simply refers to the break between prices.

Good-‘Til-Cancelled Order (GTC)
This is an order to invest in a security which does not close until the conditions/requirements for executing the order are met.

Hedging
This is the method of buying or selling the same amount of securities, almost at the same time, in two different markets.

Imbalance of Orders
This is used to describe the event when buy orders exceed sell orders.

Initial Public Offering (IPO)
This is the first sales of stock by a private company that want to become publicly owned, so that they can expand.

Inside Market
This is the market maker spread. It shows the highest bid quoted and the lowest price offered.

Instinet ECN (INCA)
This is the first medium brokerages had to display bid and ask prices for most stocks in North America.

Joint Account
This is any an account that is operated by more than one person.

Level I
This is beginner trader who does not trade with real money.

Level II
This is an advanced beginner. He trades with real money but at a minimum risk.

Level III
This is a competent trader. He can trade on a more professional level.

Limit Order
A price set by an individual to buy or sell a stock. Above or below this price, the trader is neither willing to buy nor sell securities or stocks.

Liquidity
This is the ability of a trader to convert his assets to cash in a fast way.

Margin
This is a collateral willing to be issued by a trader to a broker when he wants to borrow funds.

Margin Account
This is the account a trader must own in order to qualify for borrowing funds.

Margin Call
This is the call made by a broker to his clients when he observes that the securities bought from the borrowed funds have decreased in value. This call is normally made to tell the trader to add more money to his account.

Market Maker
This is a broker-dealer firm that facilitates the trade of a particular security by dealing on a large amount of them.

Market Order
This is also called unrestricted order. It is the order that guarantees the execution of a trade.

Market Timing
This is the process of predicting future price movements of stocks or securities.

Momentum Investing
This means buying stocks that have been profitable around 3-12 months ago and selling off stocks that have not been profitable around the same time period (3-12 months ago).

Nasdaq
This is the largest electronic screen based securities trading market in the US.

New York Stock Exchange (NYSE-)
– This is the largest equities-based exchange in the world.

Odd Lot
This refers to stock that is less than 100.

Odd Lot Theory
This states that if odd lot investors are selling, it is likely that buying such stocks at that time will be a profitable venture.

OptiMark
This is a company that owns patents and intellectual properties and also hs its own securities exchanges.

Overbought
This means that the price of an asset has risen to a very high value within a short period of time.

Oversold
This means that the price of an asset has fallen to a very high value within a short period of tim.

Paper Trading
This is the practice made by potential investors when they start learning how to trade stocks.

Pink Sheets
This is another way of referring to over the counter trading.

Preferred Stock
These are stocks owned by those higher than the ordinary share holders of a company.

Program Trading
This is the method used to take advantage of arbitrage possibilities. It occurs automatically when created.

Qualitative Analysis
This means understanding the qualities of a company.

Quantitative Analysis
This means measuring the strength of financial instruments and institutions.

Random Walk Theory
This states that the prices of stocks in the market cannot be predicted.

Regulation T
This is the regulation done by a Federal Reserve Board to control customer cash accounts and the issuance of credit to customers by brokers to purchase securities.

Round Lot
This is 100 shares of stock.

SEC Fee
This is an additional fee implemented by the Securities Exchange Act of 1934 for stock traders. They are paid to into the brokers’ account from where the sum is collected and remitted to the US treasury.

SEC Order Handling Rules
This consists of the limit order display rule and the quote rule.

Sell-side
This refers to a firm that sells securities and offers investment services.

Settlement Date
This is an agreed date between the buyer and the seller when transactions must be made complete by effecting payments for securities bought.

Sharpe Ratio
This is the value of the excess return per unit of risk in any trade or investment.

Short Sale
This means selling borrowed stocks from a broker to take advantage of the falling prices of the stocks in the market.

Short Squeeze
This is an upward price of stocks caused y lack of supply and over demand of stocks in the market.

Specialist
This is a person who tries to narrow the gap that may be experienced when the market maker is not available.

Spiders (SPDR)
SPDR means Standard and Poor’s Depositary and receipt. They are traded under the symbol SPY just like other American stock exchanges.

Spread
This is the difference in value between the bid and the ask price of a commodity/stock.

Stock Symbol
This refers to letters used to represent stocks for trading purposes.. The numbers of the letters vary among different stock exchanges. These letters are used for security purposes.

SuperDot
This is an electronic system used on the New York Stock Exchange to place orders of listed stocks.

Systematic Risk
This is the risk possessed on an individual which cannot be reduced by diversification.

Technical Analysis
This means understanding the price movement of securities in the market.

Terms
What you get when you negotiate with an 800 lb gorilla for a better search engine score.

Trading Halt
This refers to the period when trading is stopped. Its normal duration is around 30 minutes.

Trin
This is a tool used to indicate the presence of volume in the market.

Triple Witching Hour
This is the final trading hours on the third Fridays of March, June, Septmber and December.

Uptick
This is the case when the current transaction price is above the initial transaction price.

Volatility
This is the measure of the daily changes in the price of securities.

Volume
This is the number of shares that are available o be traded in the market at a particular period and time.

Wash Sale Rule
It states that an investor should not claim a capital loss for tax purposes as long as the capital was repurchased within 30 days.

Zero-Sum Game
This is the case when someone only gains when another investor losses.