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Original, source-based guides to research sources and tools for investors.
20 articles · Original research guides with primary sources and worked examples
Learn how to identify a stock and its quote basis on Naver Securities, then connect company information to original filings. Avoid treating news, discussions, and financial figures as equally reliable.
Read article →Learn what to check when reading actual, forecast, and previous values on Investing.com. Understand economic indicators versus market prices and compare release sources and time zones.
Read article →Use report dates, categories, authors, and providers to narrow your research on Hankyung Consensus. Connect search results to original reports and identify duplicate material.
Read article →Learn how to distinguish consolidated and separate financial statements, and actual results and estimates, in FnGuide company analysis. Check service differences and financial metric definitions.
Read article →Learn how to verify company claims found in Itooza stock analysis and news. Read the basis of evaluations, trace original data, and check the scope of access.
Read article →Learn how to match company identity and fiscal period when searching DART annual business reports. Distinguish filing dates from reporting periods, then check amendments and consolidated statements.
Read article →Learn how to find and connect company disclosures and market actions such as trading suspensions on Korea Exchange’s KIND. Check announcement times, effective dates, amendments, and follow-up filings.
Read article →Identify companies on SEC EDGAR using tickers, company names, and CIKs, then find the filings you need. Distinguish filing dates, accounting periods, exhibits, and amendments.
Read article →Learn how to find and connect earnings materials, event presentations, and filings on official IR pages. Distinguish file dates, accounting periods, preliminary releases, and detailed results.
Read article →Learn to separate prepared remarks from earnings call Q&A. Record figures, forecasts, and conditions, then verify them against the following quarter’s materials.
Read article →Learn to align company identity, accounting scope, periods, units, and formulas across stock data sources. Resolve discrepancies and document the basis used in your analysis.
Read article →Learn to link amended disclosures to the originals and reasons for revision, then update your analysis. Manage versions for current judgments and for reconstructing past decisions.
Read article →Learn to separate financial data units from currencies and verify conversions. Cover million-won and 100-million-won units, percentage formatting, text numbers, and missing values.
Read article →Learn to fix periods and units before calculating revenue growth and margins in Excel. Separate inputs from formulas and handle losses, missing data, and amended figures.
Read article →Build a stock analysis checklist from verifiable questions rather than a simple scorecard. Connect business, cash flow, risk, and valuation assumptions to supporting and opposing evidence.
Read article →Check time zones and reference months in an economic calendar and build records before and after releases. Separate forecasts, actuals, and revisions, and confirm official schedules.
Read article →Identify FnGuide research summaries by publisher, author, and date, then link them to original reports. Track searches, document matches, page checks, and unverified items in a worksheet.
Read article →Find research on official brokerage websites and manage the scope of your collection. Separate company and industry material, identify original documents, and check access conditions.
Read article →Connect stock news claims about contracts, earnings, and outlooks to official filings and IR materials. Distinguish repeated press-release coverage from independent verification and resolve timing differences.
Read article →Learn to separate a screen’s refresh time from the reference dates for prices, financials, and estimates. Record timing for comparisons and reconstruct the information behind past decisions.
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