How to Look at Price Bar Data over Different Time Frames
Looking at price bar data in different time frames can help you make a sound trading decision. You can zoom out to a higher time frame (such as weekly) or zoom in to a shorter time frame (hourly).
Price bars are fractal, meaning you can’t tell by looking at a chart what time frame the bars represent. You can’t tell a chart of 15-minute price bars from a chart showing daily bars. They both show the same bar components acting in the same ways. If a chart isn’t labeled, you can usually assume that the bars are daily bars.
Using daily data
Most beginners at technical analysis start with the daily price bar. Daily data is widely available and free or cheap. Daily data is the standard because
Most of the commentary in newspapers, magazines, and Web sites refers to daily bars. It’s the base case.
Embracing daily price bars puts you on the same page with the majority of people in the market.
Even people who use intraday data (such as hourly bars) also look at the daily price bars.
Technical analysis writers are sensitive to the increased use of intraday data and usually speak of periods rather than days. Changing the vocabulary has the unfortunate effect of making some technical analysis writing sound formal or pompous — but it’s more accurate.
Zooming out to a higher time frame
You can display prices in a weekly or monthly format. A week has an opening price (the first trade on Monday morning) and a closing price (the last trade on Friday afternoon), with a high and a low somewhere in between. The weekly close is a summary of the sentiment of the majority of market participants for the week, just as the daily closing price summarizes sentiment for the day.
You can often see trends and patterns over longer time frames that are hard to see on a daily chart. If you’re using charting software, make the habit of toggling the chart from a daily time frame to the weekly and monthly time frames to see whether anything pops out at you. In addition, you can use, say, a weekly chart to confirm a new trend that you discover on a daily chart.
Zooming in to a shorter time frame
Many traders today track and trade prices on shorter time intervals, like the 60-minute bar.
Getting the data: Live, real-time data used to be too expensive for the little guy and only big firms could afford to buy it for their professional traders. Now anyone can buy it for a few hundred dollars per year. With a 10- or 15-minute time delay, you can get intraday price bars for free on many Web sites. Most brokers give you free live data in return for your opening an account.
Choosing an interval: The only logical way to select an interval is to treat it like a new pair of jeans. Try them all on your favorite security and see how they look. Selecting the interval to use in displaying bars is subjective. For example, you might
Use an odd number of minutes (such as 13 or 73) because those bars regularly show patterns that give you insights.
Look at what everyone else is looking at, on the principle that following the crowd is usually the right way to forecast.
If you’re watching a traditionally heavily traded security, you get a complete bar for every 1-minute interval, and each bar contains the open, high, low, and close of that minute. Be careful not to sabotage your analysis by selecting a time frame that’s out of sync with the normal flow of trading in the selected security.
The key to selecting the right interval is the liquidity of the security you’re trading. Liquidity refers to potential volume in this context — kind of like a bench of buyers waiting around for their chance at bat, meaning a price that pleases them, with an opposing bench of sellers willing to throw balls until somebody takes a swing. A liquid security has a lot of buyers and sellers, with some of them active at all times. Liquidity results in real trades that are measured as volume. A security with only one or two interested parties is not liquid, as you may have discovered if you ever tried to sell a thinly traded penny stock.

Investing Glossary
accredited investor
An individual with net worth of more than $1 million (alone or jointly with a spouse) or with income of $200,000 in each of the past two years and with a reasonable expectation of the same level of income in the current year. Certain higher-risk investments are often restricted to accredited investors.

Investing Glossary
alpha
A risk-adjusted measure of performance. Alpha measures the portion of an investment’s return attributable to the security’s inherent values (for example, earnings growth) rather than to overall market movements.

Investing Glossary
arbitrage
A trading technique that takes advantage of price discrepancies when the same security, currency, or commodity is traded on different markets.

Investing Glossary
at the money
A condition that is met when an option’s strike price is the same as the prevailing price for the underlying stock. For example, if stock ABC is trading at $125 and the option’s strike price is also $125, then the option is at the money.

Investing Glossary
balance sheet
A financial statement that shows the value of a company’s assets, liabilities, and owner’s equity on a given date. Total assets minus total liabilities equals owner’s equity.

Investing Glossary
being short
A situation that occurs when you have sold something you do not own. In commodities, if you enter into a contract to sell a commodity which you don’t own with a promise to deliver it at a set price on a future date, then you are short that commodity. In stocks, you are short a stock if you have sold it and borrowed the shares from a broker to deliver to the purchaser, with an obligation to replace the borrowed shares at a future date. Being short means that you’re bearish, or negative on the market, and that your goal is to make money when the security or commodity that you choose to short falls in price.

Investing Glossary
beta
A measure of a stock’s relative volatility. A stock with a higher beta can be expected to rise or fall more than the overall market, whereas a stock with a lower beta is less volatile than the overall market.

Investing Glossary
Black-Scholes model
A theoretical model used to calculate the fair market value of an option based on time to expiration, price of the underlying stock, historical volatility, strike price, and carrying costs.

Investing Glossary
call option
A contract that gives the holder the right to buy a particular asset at a specified price at any time prior to the expiration of the option.

Investing Glossary
callable bond
A bond that the issuer can redeem before its maturity date. The bondholder is often paid a premium when the bond is called.

Investing Glossary
candlestick
A chart that shows the daily high, low, opening, and closing prices for a security over a specified time period.

Investing Glossary
capital gain
The profit from the sale of an investment at a price that’s higher than the purchase price.

Investing Glossary
certificate of deposit; CD
An interest-bearing investment issued by a bank. CDs are typically available with maturities ranging from three months to five years.

Investing Glossary
churning
Buying and selling securities by a broker for the sole purpose of generating commissions.

Investing Glossary
covered call
A call option written by an investor who already owns the underlying shares. If you write a covered call and the option is exercised by the holder, then you would just deliver the stock to the holder.

Investing Glossary
delta; hedge ratio
Delta represents the price change of an option for every one-point change in the price of the underlying security or futures contract.

Investing Glossary
derivative
A financial instrument whose value is based on the value of another asset or index. A stock option, for example, is a type of derivative that gives you the right, but not the obligation, to buy shares of the stock at a predetermined price. The option’s value changes in relation to the price of the stock.

Investing Glossary
Designated Order Turnaround system; SuperDOT
An electronic order-routing system used by NYSE member firms to send market and limit orders directly to the specialist at the exchange who trades that particular security.

Investing Glossary
dividend
Money paid out by a company to the owner of its stock. An income stock is a stock that has a regularly paid, higher-than-average dividend.

Investing Glossary
equity market; stock market
A market in which stock shares are issued and traded. Trading takes place through both exchanges and over-the-counter markets.

Investing Glossary
exchange-traded fund; ETF
A mutual fund that is traded, like stocks, on an exchange.

Investing Glossary
fiat money
Currency that a government declares to be legal tender, even though it is not backed by reserves of physical assets (such as gold). The value of fiat money derives solely from the public’s confidence and faith in its ability to serve as a storage medium for purchasing power. Most of the world’s money is fiat money.

Investing Glossary
Financial Industry Regulatory Authority; FINRA
The largest non-governmental regulatory organization responsible for overseeing all securities firms that do business in the United States. Responsibilities include professional training, testing and licensing of registered representatives, and arbitration and mediation.

Investing Glossary
foreign currency trading; forex
Speculation on the value of one currency versus another, in which you buy one country’s currency—just as you’d buy a stock or other security—in the hope that it will appreciate relative to the value of another currency.

Investing Glossary
futures
Contracts where you agree to buy or sell a specific amount of a commodity, currency, or other asset at a specified price on a specified future date. Unlike an option, a futures contract creates an obligation, rather than just a right, to buy and sell the underlying security.

Investing Glossary
going long
When you own a security or other asset, you are said to be long that security. When you go long (that is, buy) a security, you’re bullish, or positive on the market, and you expect the price of that security to go up.

Investing Glossary
head-and-shoulders pattern
A chart formation in a graph of an asset price that resembles three mountaintops in a row, with the middle mountaintop being taller than the other two. The pattern indicates a trend reversal, meaning that prices are expected to fall.

Investing Glossary
hedge
An investment strategy that allows you to reduce the risk of an unfavorable price change in a security or commodity. For example, a stockholder of ABC Company who is worried about declining stock prices can offset that risk by buying a put option on ABC, allowing him to sell his shares in the future at today’s price.

Investing Glossary
illiquid securities
Investments that don’t trade very actively and are difficult to sell on short notice.

Investing Glossary
implied volatility
A theoretical value representing the volatility of the security underlying an option. Implied volatility is used by the Black-Scholes model, among others, to calculate the price of an option. Implied volatility usually rises when the markets are in downtrends, and falls when the markets are in uptrends.

Investing Glossary
in the money
A condition that is met when a call option’s strike price is below the prevailing price for the underlying stock. For example, if stock ABC is trading at $125 and the option’s strike price is $120, then the option is in the money. For a put option, the strike price must be above the current market price of the stock for the option to be in the money.

Investing Glossary
index fund
A mutual fund designed to mirror the performance of a specific market index such as the Dow Jones Industrial Average or the S&P 500. Expenses of index funds tend to be lower than other mutual funds because the manager is not actively researching, buying, and selling securities.

Investing Glossary
Individual Retirement Account; IRA
A type of individual retirement savings plan. There are several types of IRAs, including, among others, Traditional IRAs and Roth IRAs. Traditional IRAs are tax-deferred accounts that currently allow individuals to contribute up to $5,000 per year. Contributions to a Traditional IRA may be tax deductible, depending upon several factors. You don’t pay taxes on the income and gains you generate in a Traditional IRA until you make withdrawals; all withdrawals will be taxed at the ordinary income tax rate. Roth IRAs are subject to different tax treatment.

Investing Glossary
leverage
The degree to which an investor or business is utilizing borrowed money. For investors, leverage is a means of multiplying the return on an investment by borrowing money to purchase additional securities or other assets. Buying securities on margin is an example. If you have $1,000 of cash and borrow another $1,000 from your brokerage, you could then purchase $2,000 of stock. If the value of the purchased stock increases by 10 percent ($200), then you have realized a 20 percent gain ($200/$1,000) on your actual cash investment.

Investing Glossary
market capitalization; market cap; cap
The value of a company as measured by the total number of stock shares outstanding times the market price of each share. For example, if company ABC has 20 million shares outstanding, and each share is currently worth $100, then the market cap for ABC is $2 billion. In general, stocks are classified as large cap (over $5 billion), small cap (under $1 billion), or mid cap (anything in between).

Investing Glossary
market-value weighted index
A stock index where the effect of each stock on the index is in proportion to its market value.

Investing Glossary
megatrend
A major ongoing development that is expected to have significant implications for most (if not all) facets of society over an extended period of time. The aging of the American population is an example.

Investing Glossary
momentum
The perceived strength behind a price or volume movement in a security based on the rate of acceleration of that movement.

Investing Glossary
moving average
In technical analysis, a chart line that shows the average of a security’s price over a specified period of time, recalculated for each new data point. For example, a 30-day moving average will include yesterday’s price and those for the previous 29 days. Tomorrow’s moving average will include today’s price but will drop the price for the earliest date in yesterday’s average. The moving average is used to spot pricing trends by flattening out large fluctuations.

Investing Glossary
municipal bond; muni
A bond issued by a local or state government or agency. Munis generally raise money for public projects such as hospitals, roads, bridges, and sewer systems as well as general governmental operations. When you buy a muni, the interest is usually exempt from federal income tax.

Investing Glossary
mutual fund
A fund operated by an investment company that raises money from shareholders and invests that money in a group of assets in accordance with one or more stated objectives, such as income, growth, aggressive growth, and so on. A mutual fund may generally invest in stocks, bonds, options, futures, currencies, and money market securities in accordance with its stated parameters. All shareholders share equally in the income, gains, and losses generated by the fund.

Investing Glossary
naked call
A call option written by an investor who does not already own the underlying shares. If you write a naked call and the option is exercised by the holder, then you would have to buy the stock at the market price to meet your obligation. Naked calls are very risky, though potentially very rewarding.

Investing Glossary
National Association of Securities Dealers Automated Quotation system; Nasdaq
An electronic stock exchange established by the National Association of Securities Dealers (NASD). The Nasdaq lists over 3,200 companies and is the largest equity securities trading market in the U.S.

Investing Glossary
open outcry system
A system where traders on a trading floor or in a trading pit shout and use hand signals to make transactions or trades with each other.

Investing Glossary
option
A derivative security that gives the holder a contractual right to buy or sell a set amount of a stock, commodity, or other asset at a specified price on or before the option’s expiration date. An option is purchased for a fee, called a premium.

Investing Glossary
option buyer; holder
A person who is buying options. Call option holders have the right to buy a stipulated quantity of the underlying asset specified in the contract at a specified strike price. Put option holders have the right to sell the specified amount at the strike price.

Investing Glossary
out of the money
A condition that is met when a call option’s strike price is above the prevailing price for the underlying stock. For example, if stock ABC is trading at $120 and the option’s strike price is $125, then the option is out of the money. For a put option, if the strike price is below the current market price of the stock, then the option is out of the money.

Investing Glossary
over-the-counter market OTC
A securities market where trades are conducted by phone or computer network directly between dealers rather than on a physical trading floor. All bonds trade over-the-counter, as do unlisted stocks (generally, stocks of smaller companies that do not qualify for listing on an exchange).

Investing Glossary
premium
When you buy an option, the premium is the amount that you pay to the seller of the option.

Investing Glossary
put option
A contract that gives the holder the right to sell a particular asset at a specified price at any time prior to the expiration of the option.

Investing Glossary
real estate investment trust; REIT
A company, usually traded publicly, that raises money from shareholders and invests that money in a portfolio of real estate properties. REITs are modeled after mutual funds, although the tax treatment of REIT income is different.

Investing Glossary
regression analysis
A statistical technique used to find the mathematical relationship between a dependent variable (such as a company’s stock price) and one or more independent variables (such as GDP, income growth, or inflation). Regression analysis is used to predict future values of the dependent variable based on changes in the independent variables.

Investing Glossary
retracement
A price movement in the opposite direction of the previous trend. When a price has gone too far and traders deem the security overbought or oversold, the price may stop rising or falling and move in the opposite direction for a period of time.

Investing Glossary
Roth IRA
A type of IRA in which contributions to the account are not tax-deductible, but qualified withdrawals are completely exempt from federal income tax.

Investing Glossary
Securities and Exchange Commission; SEC
A federal agency whose mission is to protect investors from fraud or other unlawful market activities.

Investing Glossary
Securities Investor Protection Corporation; SIPC
A nonprofit corporation created by Congress in 1970 to protect investors in the United States. SIPC insures the assets in investor accounts (up to certain maximum amounts) at registered brokerage firms in the event of bankruptcy of those firms.

Investing Glossary
sell stop order
An instruction to a broker to sell a stock at the market price after the security has touched the specified stop price. A sell stop is always placed below the present market price and is usually designed to protect a profit or limit a loss.

Investing Glossary
sentiment
The general feeling among investors as to which direction the stock market is heading. If the sentiment is that prices are going up, it is said to be bullish; if the sentiment is toward a downward movement, it is bearish. Investors base sentiment on market activity and movements in the prices of securities.

Investing Glossary
short; short position
A situation that occurs when you have sold something you do not own. In commodities, if you enter into a contract to sell a commodity which you don’t own with a promise to deliver it at a set price on a future date, then you are short that commodity. In stocks, you are short a stock if you have sold it and borrowed the shares from a broker to deliver to the purchaser, with an obligation to replace the borrowed shares at a future date. Being short means that you’re bearish, or negative on the market, and that your goal is to make money when the price of the security or commodity that you choose to short falls in price.

Investing Glossary
Simplified Employee Pension; SEP
A retirement plan available to small employers and self-employed individuals in which both the employer and employee can contribute to an IRA.

Investing Glossary
straddle
You create a straddle when you simultaneously buy a put and a call on the same stock at the same strike price and with the same expiration date.

Investing Glossary
strangle
You build a strangle when you buy a put and a call on the same stock with the same expiration date but at strike prices that are equally out of the money. A strangle costs less than a straddle because both options are out of the money, but you only make a profit if the price of the underlying stock moves dramatically.

Investing Glossary
strike price
The price at which the stock or commodity underlying an option can be purchased (call option) or sold (put option) pursuant to the terms of the contract.

Investing Glossary
swap
An exchange of streams of payments over time according to specified terms. The most common type is an interest rate swap, in which one party agrees to pay a fixed interest rate on a notional principal amount in return for receiving an adjustable rate from another party.

Investing Glossary
teenie
One-sixteenth of a point.

Investing Glossary
tick
A price change in a security’s trades. If the next trade takes a security up in price, it’s an uptick; if it takes the security down, it’s a downtick. In futures and options trading, a tick is the minimum change in price, up or down.

Investing Glossary
trading range
The spread between the high and low prices of a security or commodity within a particular period.

Investing Glossary
Treasuries
Debt obligations of the U.S. government that are secured by its full faith and credit. Treasuries include bills (maturities of less than one year), notes (maturities of 1 to 10 years), and bonds (maturities of more than 10 years).

Investing Glossary
volatility
A statistical measure of the movement of a financial asset's price over time, gauging how fast the price of the asset changes. The price of a highly volatile security can change dramatically over a short period of time. A measure of the volatility of a security relative to the overall market is its beta.

Investing Glossary
writer
A person who is selling options. Call option writers have the obligation to sell a stipulated quantity of the underlying asset specified in the contract at the specified strike price if the option is exercised by the holder. Put option writers have the obligation to buy the specified amount at the strike price if the option is exercised.