Guide.
Learn about U.S. stocks, step by step.
Build your knowledge with 103 clear guides and practical examples.
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103 guides
The price of a single share and the total size of a company are different. Let's look at the price per share and the number of shares together.
Day, Pre, Regular, and After sessions—what are these times? Let's learn the names of the four sessions and their KST schedules.
The last traded price shown on the screen may differ from the price at which you can buy right now.
High trading volume and a significant price increase are two different things.
A single candle contains the opening, closing, high, and low prices for a specific period.
This refers to finding areas where the price frequently stopped or reversed. Floors and ceilings are not guaranteed.
It may be a rebound on a small scale, but a downtrend on a larger scale. Let's change the timeframe the chart covers.
These are terms that describe whether the price crossed a level where it was frequently blocked, or if it pulled back after rising.
This is a line that averages several prices. The line changes depending on which prices are reflected and to what extent.
Write down why you became interested and what facts would need to change for you to reconsider.
A positive factor means news that could have a favorable impact, not a guarantee of a price increase.
A company announcing it may sell new shares is different from actually selling them and receiving the money.
Do not just look at the current number of shares; examine promises that could turn into shares in the future.
Even if the number of shares decreases and the price per share increases, your assets do not increase based on that calculation alone.
A trading halt is a temporary suspension of trading. Check the reason for the halt and the resumption information separately.
The volume traded via short selling today and the number of shares yet to be covered are different figures.
A scanner is a tool for finding stocks that have undergone changes. It is not a definitive guide for buying.
After practicing with virtual money, reflect on why you made your choices rather than focusing on the results.
Both are averages of prices. They differ in how much weight they place on recent prices.
RSI is not a price tag for a company, but a number that compares the strength of recent upward and downward movements.
It is a tool that looks at the difference between a fast average and a slow average. It is easier to read by dividing it into three parts.
An indicator where the bands around the price widen or narrow based on the magnitude of recent movements.
It is an indicator that shows the range of recent price movements, not whether it will rise or fall.
It is an indicator drawn by adding trading volume during periods of price increases and subtracting it during periods of price decreases.
Even with the same 5x multiple, what it is compared against matters.
This is when a gap appears between the previous price and the next opening price.
This is an exercise in comparing subsequent movements based on the high and low prices within a pre-determined time.
A line that makes it easier to see price direction by connecting similar highs or lows.
It looks like it turned back twice at a similar height, but you cannot determine the next direction based on the shape alone.
These are reference lines that divide the rise and fall intervals I selected into specific ratios.
The shape changes depending on whether the vertical axis is drawn based on price difference or percentage change.
After a stock split or reverse split, chart prices are sometimes adjusted to make it easier to compare the past with the present.
The order book shows pending orders. It is different from the list of completed trades.
This term is used when the stock price and technical indicators show different trends.
Calculate the changes in your stock and the changes in the benchmark separately.
Backtesting, which involves applying methods to past prices, has pitfalls that are easy to overlook.
It is easier to start by checking the company name, what it does, and what kind of stock it is.
An exchange is a marketplace, while an index is a number calculated by aggregating the movements of specific stocks.
There are different segments within Nasdaq with different listing criteria. These are not ratings that guarantee profit or safety.
Learn about the differences between depositary receipts—including underlying share ratios, fees, and exchange rate risks—and standard listed stocks.
The initial offering price of a stock may differ from the price at which it trades in the market.
Understand the lifecycle of a company searching for a merger target, as well as the interests regarding redemption, dilution, and the sponsor.
A report explaining what a company did and how much it earned over a year or a quarter.
It is a company notice board used when events like earnings releases, major contracts, or executive changes occur.
Not all foreign companies listed in the US use 10-K or 10-Q.
This is a method for reading the income statement, balance sheet, cash flow statement, and statement of changes in equity as a single story about a company.
Cash runway is an estimated capacity calculated based on current cash and the rate at which cash is decreasing.
Beating revenue and EPS estimates is not enough. Read the guidance, quality of earnings, and market expectations together.
This is a report from a major shareholder. The document filed today may not reflect purchases made today.
You can view the holdings of large investment firms, but it does not show real-time trading.
First, distinguish whether the increase in shares is due to direct purchases or company compensation.
The stage of testing drugs on humans and the stage of receiving sales approval are different.
Try writing down the issued shares, outstanding shares, and potential shares in separate columns.
Targeting 2 times the daily change is different from 2 times the monthly result.
The exchange name next to a ticker indicates the market where the stock is listed. It is not a report card for the company.
It is a market operated by electronic trading. It does not mean it is only for tech stocks or the same as NASDAQ 100.
It is an exchange familiar from scenes of ringing the bell in the news. It combines electronic trading with on-site operations.
NYSE American, associated with the name Amex, is a separate exchange. Distinguish it from over-the-counter (OTC) stocks.
Over-the-counter (OTC) means outside the exchange. It is a different category from after-hours trading.
This refers to a trading system that does not disclose orders before execution. It does not mean there are no transaction records.
It is usually easy to understand as the sequence of borrowing shares, selling them first, and then buying them back later to return them.
There are conditions and costs for borrowing stocks. Do not extrapolate numbers from one screen to the entire market.
You must distinguish between public transactions by executives and illegal trading using material non-public information.
It is a rule regarding a plan that predetermines trades. You cannot determine the judgment made today solely based on the title that a sale occurred today.
Quotes and expected auction prices during a halt are not promises of execution. Learn why you should not jump to conclusions about differences in displays by brokerage firms or the direction of resumption.
An index is a number calculated from the movements of various stocks based on a set of rules. If the constituent stocks and their weightings differ, the direction can vary even on the same day.
You should not interpret a daily +3x or −3x target as a promise of long-term returns. Examine cases where both products incur losses and check items for domestic investors.
These are the education and registration procedures to check when trading overseas leverage ETPs through domestic brokerages. Distinguish between basic education and separate requirements for single-stock products.
The base exchange rate on the screen may differ from the rate applied to you. Read the exchange spread, preferential rate, and automatic exchange conditions separately.
Dollar returns and foreign exchange gains/losses work together. Calculate stock prices and exchange rates separately and verify the actual costs.
Learn how news on inflation, growth, and interest rates is transmitted to corporate earnings and stock values. Start by examining why indices may fall even on good news.
Distinguish between consumer prices and the Fed's inflation target. This is how to actually read headline vs. core, month-over-month vs. year-over-year, and base effects.
The Producer Price Index tracks the selling prices of businesses. It distinguishes the conditions under which price changes at the production stage are passed on to consumers and corporate profits.
Distinguish between real GDP, annualized rates, and revised figures to read the substance of growth. Growth driven by consumption and growth driven by inventory accumulation can be interpreted differently.
Read everything from FOMC decisions to the dot plot, press conference, and quantitative tightening. Connect the reasons why stock prices might fall even when interest rates are cut.
Start by finding the reason why oil prices moved. The impact on inflation and corporate earnings varies depending on supply disruptions, demand recovery, and economic recession.
Distinguish between phenomena that move together and cause-and-effect. Learn about common financial conditions, exposure of crypto-asset companies, and the limitations of interpreting weekend prices.
Distinguish between non-farm payrolls, the unemployment rate, wages, JOLTS, and jobless claims. This is why market interpretations differ regardless of whether employment data is strong or weak.
Distinguish between the meanings of 2-year and 10-year Treasury yields, real interest rates, and dollar strength. Do not determine the direction of stock prices based solely on the fact that interest rates have risen.
Connect and read consumer data, corporate surveys, and policy news. Check everything at once, from KST conversion to estimates, revisions, and post-release volatility.
Let's learn the calculation methods and pitfalls of the three multiples that compare price to earnings, revenue, and net assets.
Distinguish between earnings per share, net assets per share, and return on equity. Also examine the impact of the number of shares and share buybacks.
Connect YoY, QoQ, gross profit margin, operating profit margin, and net profit margin, and read the differences by business segment.
Read operating cash flow, capital expenditure, and free cash flow, and understand cash shortages in profitable companies.
The size of debt, short-term solvency, and interest burden are different questions. Start by verifying the calculation formulas and units.
Distinguish between the declaration date, ex-dividend date, record date, and payment date, and learn about U.S. T+1 settlement and special dividend exceptions.
Analyze dividend yield, payout ratio, and cash flow alongside the ex-dividend date. Also, examine the risk of cuts behind high yields.
Check the order for reading financial and investment indicators, dividends, and target prices, as well as calculation differences by provider.
Read the schedule as a checklist rather than a trading signal. Distinguish between countries, units, adjustments, and release times.
Read the direction of the economy through corporate surveys. The 50 of the PMI and the 0 of the Philadelphia Index are based on different criteria.
New jobs, unemployment rate, job openings, layoffs, and wages are not the same indicator. Read employment releases as a group.
Distinguish between core retail sales, consumer spending, and the PCE price index, and separate sales growth from price effects.
Read the University of Michigan and Conference Board surveys, distinguishing between preliminary and final releases, and between 1-year and long-term inflation expectations.
Distinguish between contracts for new home purchases and completed existing home sales, and read the path leading to interest rates and consumption.
Distinguish between the Bank of Korea and the Fed, South Korea's GDP and US GDP, and market holidays and earnings release times.
Understand dividend and liquidation priorities, cumulative vs. non-cumulative, and call, conversion, and interest rate risks, as well as terms by series.
Distinguish between common stock, dual-class shares, and economic interest, using the Alphabet case. Class names are not standardized.
Learn about the 90% distribution requirements for REITs, equity vs. mortgage types, FFO/AFFO, and risks related to interest rates and vacancies.
Distinguish between acquisitions and mergers, cash vs. stock consideration, and tender offers vs. deal termination risks.
Calculate the differences between package securities and stock purchase rights, including exercise costs, expiration, calls, and dilution.
Learn about annual profit/loss aggregation, the 2,500,000 KRW deduction, the 22% tax rate, KRW conversion, and filing in May of the following year.
Distinguish between tax treaties/W-8BEN, domestic withholding tax, global income taxation on financial income, and foreign tax credits.
Distinguish between taxes and fees, and check selling regulatory costs, brokerage commissions, currency exchange, and product costs.
Once you have read about market knowledge, check it on the actual screen.