Category: Investing Education
PEG Ratio Calculator: Find Growth at a Reasonable Price
Use our free PEG ratio calculator to find stocks where growth is priced fairly. Learn how PEG improves on P/E by factoring in earnings growth rate.
February 15, 2026
How to Find Profitable Growth Stocks Using a Stock Screener
A step-by-step guide to screening for profitable growth stocks. Learn which metrics to prioritize, how to avoid growth traps, and how to set up your screen.
February 15, 2026
Why Free Cash Flow Matters More Than Earnings
Free cash flow is the single most important metric for understanding a company's true financial health. Learn why FCF often tells a different story than net income.
February 15, 2026
Return on Invested Capital: A Deep Dive Into the Best Measure of Business Quality
ROIC measures how effectively a company turns capital into profit. This deep dive covers the formula, how it compares to ROE and ROA, and why it matters for long-term investors.
February 15, 2026
Buyback Impact Calculator: How Share Repurchases Affect EPS
See exactly how share buybacks boost EPS — and whether stock-based compensation offsets the benefit. Our calculator shows net shares retired, EPS accretion, and the real impact on your ownership.
February 15, 2026
Dividend Yield vs Growth Visualizer: Which Strategy Wins Long Term?
Compare high-yield vs high-growth dividend strategies side by side. See how dividend growth rate creates a crossover point where lower yields overtake higher yields in total income.
February 15, 2026
Dividend Safety Score Tool: Is Your Dividend at Risk of a Cut?
Score any stock's dividend safety across four key metrics: payout ratio, FCF coverage, debt level, and growth streak. Our composite score identifies dividends at risk of being cut.
February 15, 2026
Debt Risk Calculator: Stress-Test Any Company's Balance Sheet
Evaluate a company's debt risk using interest coverage, Debt/EBITDA, and a recession stress test. See if the business can survive a 30% earnings decline.
February 15, 2026
Risk vs Volatility: What's the Real Difference?
Wall Street treats risk and volatility as the same thing. They're not. Understanding the difference can fundamentally change how you build and manage your portfolio.
February 15, 2026
Free Cash Flow Quality Tool: Spot Earnings Red Flags Before They Blow Up
Compare net income to operating cash flow and free cash flow to detect earnings quality issues. Our tool calculates OCF ratios, accrual ratios, and capital intensity.
February 15, 2026
Total Return Calculator: Price Gains + Dividends = The Full Picture
Calculate the total return on any stock investment including price appreciation and dividends. See annualized returns and how much dividends contributed to your performance.
February 15, 2026
Inflation-Adjusted Return Tool: See What Your Gains Are Really Worth
Convert nominal returns into real purchasing power. See how inflation erodes your investment gains over time with our interactive calculator.
February 15, 2026
Portfolio Beta Calculator: Measure Your Market Risk Exposure
Calculate your portfolio's weighted-average beta to understand overall market sensitivity. See what a 10% or 20% market move would mean for your holdings.
February 15, 2026
Value Screening Beyond Low P/E
Move past simplistic P/E-based value screens. Learn how to combine multiple valuation metrics to find genuinely undervalued stocks the market has overlooked.
February 15, 2026
P/E Ratio Analyzer
Compare any stock's price-to-earnings ratio against its sector average and growth rate. Instantly see whether a premium valuation is justified or a red flag.
February 15, 2026
Stock Correlation Tool
Measure how closely two stocks move together. Understand correlation coefficients and build a truly diversified portfolio that reduces risk without sacrificing returns.
February 15, 2026
Margin Trend Visualizer
Track how a company's gross, operating, and net margins have changed over time. Spot operating leverage, margin expansion, and early signs of competitive pressure.
February 15, 2026
Stock Dilution Tracker
Track how a company's share count has changed over time. Identify dilution from stock-based compensation, secondary offerings, and see the impact on your per-share value.
February 15, 2026
Drawdown Calculator
Calculate how much a stock needs to gain to recover from a loss. Understand the asymmetry of drawdowns and why risk management is the most important skill in investing.
February 15, 2026
Revenue Growth CAGR Calculator
Calculate the compound annual growth rate for any stock's revenue. Cut through noisy quarter-to-quarter fluctuations and see the true underlying growth trajectory.
February 15, 2026
52-Week Range Position Tool
See where any stock sits within its 52-week high and low. Evaluate whether a stock near its lows is a contrarian opportunity or a stock near its highs has momentum on its side.
February 15, 2026
Finding High-ROIC Compounders
Learn how to screen for companies that consistently earn high returns on invested capital — the hallmark of durable competitive advantages and long-term wealth creation.
February 15, 2026
Screening for Turnaround Candidates
Discover how to find beaten-down stocks with turnaround potential using valuation and price-decline filters to identify recovery opportunities.
February 15, 2026
Finding Low-Debt Recession-Resilient Stocks
Screen for companies with low debt and low volatility that can weather economic downturns — the foundation of a defensive portfolio strategy.
February 15, 2026
Screening for Consistent Dividend Growers
Find companies with track records of increasing dividends year after year — a strategy that combines growing income with long-term capital appreciation.
February 15, 2026
Multi-Metric Stock Grader: Score Any Stock Across 5 Dimensions
Grade any stock from A+ to F across valuation, profitability, leverage, margins, and growth. Our composite scoring model highlights strengths and weaknesses at a glance.
February 15, 2026
Earnings Reaction Analyzer
Understand why post-earnings price moves are among the most informative signals in the market, how earnings surprises drive returns, and how to exploit post-earnings announcement drift.
February 15, 2026
Why Most Investors Misuse Valuation Ratios
Valuation ratios like P/E, P/B, and EV/EBITDA are some of the most commonly cited metrics in investing — and some of the most commonly misunderstood. Here's how to use them correctly.
February 15, 2026
How to Think in Probabilities in Investing
The best investors don't predict the future — they assign probabilities and position accordingly. Learn how probabilistic thinking can transform your investment decision-making.
February 15, 2026
Top 10 High-ROIC Stocks to Study
Discover the top 10 stocks with consistently high returns on invested capital and learn what makes them exceptional businesses worth studying.
February 15, 2026
Top 10 Red Flags in Financial Statements
Learn to spot the top 10 warning signs in financial statements that could signal trouble ahead for a company and its stock price.
February 15, 2026
Top 10 Signs a Stock Is Overvalued
Learn the top 10 warning signs that a stock might be overvalued, from sky-high P/E ratios to unrealistic growth expectations.
February 15, 2026
Sector-Specific KPI Guides: The Metrics That Actually Matter by Industry
Not all KPIs are created equal. Learn the key performance indicators that drive value in SaaS, banking, insurance, semiconductors, and retail — and why generic screening misses the point.
February 15, 2026
A Practical Guide to Reading Footnotes in 10-K Filings
The most important information in a 10-K often hides in the footnotes. Learn exactly what to look for, where the real risks are disclosed, and which red flags should stop you cold.
February 15, 2026
Quality Factor Deep Dive
The quality factor may be the most intuitive yet most debated factor in investing. Buying good companies sounds obvious, but defining and measuring quality is where things get interesting.
February 15, 2026
The Academic Evidence on Value Investing
Value investing is not just a philosophy — it is one of the most studied phenomena in financial economics. Here is what decades of peer-reviewed research actually show, where the evidence is strong, and where it is surprisingly weak.
February 15, 2026
Sector Valuation Heatmap
Learn how to compare valuations across sectors, identify which sectors are historically cheap or expensive, and understand sector rotation strategies that professional investors use.
February 15, 2026
Detecting Early Cyclic Recovery Plays
Learn to screen for cyclical stocks that have bottomed out and are showing early signs of earnings recovery — catching the turn before the crowd.
February 15, 2026
How Stock Screeners Actually Help Investors
Stock screeners are one of the most underused tools in an investor's toolkit. Learn how filtering stocks by fundamental criteria can dramatically improve your research process and help you find opportunities you'd otherwise miss.
February 15, 2026
The Difference Between Price and Value
Price is what you pay; value is what you get. This fundamental investing concept separates successful long-term investors from speculators. Here's how to think about the distinction.
February 15, 2026
Finding Capital-Efficient Businesses
Screen for companies that generate high returns on both invested capital and equity — the dual signal of exceptional capital allocation and business quality.
February 15, 2026
Why Diversification Works and When It Doesn't
Diversification is called the only free lunch in investing. But it's more nuanced than simply owning many stocks. Learn when diversification protects you and when it gives a false sense of security.
February 15, 2026
Understanding Market Cycles
Markets move in cycles of optimism and pessimism. Understanding where we are in the cycle won't help you time the market, but it will help you calibrate your expectations and avoid buying at the worst times.
February 15, 2026
Common Behavioral Biases in Investing
Your brain is wired to make bad investment decisions. Understanding common behavioral biases like loss aversion, anchoring, and recency bias is the first step to overcoming them.
February 15, 2026
Why Time Horizon Matters More Than Timing
Everyone wants to time the market, but time in the market beats timing the market almost every time. Here's why your investment horizon is the most underappreciated edge you have.
February 15, 2026
Value Traps: Stocks That Looked Cheap but Weren't
Low P/E ratios can be a gift or a trap. Learn the 5 archetypes of value traps — stocks that screen as cheap but destroy capital — and how to avoid them.
February 15, 2026
Revenue Quality Score Framework: Beyond Top-Line Growth
Not all revenue is created equal. Learn a systematic framework for scoring revenue quality — recurring vs one-time, customer concentration, growth sustainability, and more.
February 15, 2026
Top 10 Signs a Company Has a Competitive Moat
Learn the top 10 indicators that a company possesses a durable competitive advantage or economic moat that protects its profits over time.
February 15, 2026
Top 10 Balance Sheet Strength Indicators
Learn the top 10 balance sheet metrics and indicators that reveal whether a company is financially strong or heading for trouble.
February 15, 2026
Top 10 Qualities of Long-Term Compounder Stocks
Discover the 10 essential qualities that define long-term compounder stocks — businesses that compound wealth year after year for patient investors.
February 15, 2026
Screening for Improving Margins
Find companies whose operating margins are expanding — a leading indicator of pricing power, operational efficiency, and future earnings growth.
February 15, 2026
The Limits of Backtesting
Every investment strategy looks great in a backtest. Understanding why — and the specific ways backtests deceive — is one of the most important skills an investor can develop.
February 15, 2026
Point-in-Time Screener Bias Explained: Why Backtested Screens Lie
Backtested stock screens using current data are systematically biased. Learn about survivorship bias, look-ahead bias, and why your screen's historical returns are probably overstated.
February 15, 2026
Small-Cap Liquidity Risk Guide: When Thin Trading Becomes Dangerous
Liquidity risk can turn a winning small-cap thesis into a realized loss. Learn the concrete thresholds for volume, spread, and market cap that separate tradeable small caps from illiquid traps.
February 15, 2026
Dollar-Cost Averaging vs Lump Sum Investing
Should you invest all at once or spread it out over time? The answer depends on math, psychology, and your personal circumstances. Here's how to decide.
February 15, 2026
How Earnings Drive Long-Term Returns
In the short term, stocks are driven by sentiment. In the long term, they're driven by earnings. Understanding this relationship is key to finding stocks that will compound your wealth.
February 15, 2026
What Actually Moves Stock Prices Over the Long Term
In the short run, stocks are voting machines. In the long run, they're weighing machines. Here's what actually drives stock prices over years and decades.
February 15, 2026
Screening for Pricing Power
Identify companies with the ability to raise prices without losing customers — the ultimate competitive advantage in any economic environment.
February 15, 2026
Finding Founder-Led Companies
Screen for companies with high insider ownership — a proxy for founder-led or owner-operator businesses where management has skin in the game.
February 15, 2026
Screening for Low Share Dilution
Learn to identify companies that protect shareholder value by avoiding excessive stock issuance and prioritizing quality capital allocation.
February 15, 2026
Finding High Free-Cash-Flow Yield Stocks
Screen for stocks trading at low multiples of free cash flow — a powerful value signal that reveals companies generating real cash for shareholders.
February 15, 2026
Top 10 Free Tools Every Investor Should Use
Discover the top 10 free tools that every stock investor should have in their toolkit, from screeners to financial data platforms.
February 15, 2026
Top 10 Mistakes New Investors Make With Screeners
Avoid the top 10 most common mistakes new investors make when using stock screeners, and learn how to screen more effectively.
February 15, 2026
Top 10 Ways Companies Create Shareholder Value
Understand the top 10 ways companies create shareholder value, from reinvesting at high returns to strategic capital allocation.
February 15, 2026
Corporate Buyback Effectiveness: A Framework for Evaluating Repurchase Programs
Not all buybacks create value. Learn a framework for evaluating share repurchase programs — from timing discipline and price sensitivity to the stock-based compensation offset problem.
February 15, 2026
How Often Do Turnarounds Actually Work? Base Rates and Screening Criteria
Most turnaround investments fail. Learn the actual base rates for corporate turnarounds, why the odds are stacked against you, and the screening criteria that identify the rare viable ones.
February 15, 2026
Insider Buying Signal Quality: When Management Purchases Actually Matter
Not all insider buying is meaningful. Learn to distinguish high-signal cluster buys from noise — CEO vs director, purchase size thresholds, and the patterns that predict outperformance.
February 15, 2026
The Role of Macro vs Fundamentals in Stock Picking
Should you focus on interest rates and GDP, or earnings and balance sheets? Most investors spend too much time on macro and not enough on fundamentals. Here's why.
February 15, 2026
How Dilution Hurts Shareholders
When companies issue new shares, your ownership stake shrinks. Stock dilution is one of the sneakiest ways companies destroy shareholder value — and most investors don't even notice it happening.
February 15, 2026
How Buybacks Create Value — or Destroy It
Share buybacks are one of the most debated topics in investing. When done right, they're powerful value creators. When done wrong, they're wealth destroyers. Here's how to tell the difference.
February 15, 2026
What Makes a Durable Competitive Advantage
The best investments are businesses with 'moats' — durable competitive advantages that protect profits from competition. Here's how to identify companies with lasting edges.
February 15, 2026
Screening for Post-Earnings Momentum
Learn how to find stocks riding positive earnings surprise momentum — one of the most well-documented anomalies in financial markets.
February 15, 2026
Regime Changes in Markets
Markets do not behave the same way all the time. Understanding regime changes — the shifts between different market environments — explains why strategies that worked brilliantly in one decade can fail completely in the next.
February 15, 2026
Capital Allocation as a Skill
How a company deploys its cash flow matters more than almost anything else in determining long-term shareholder returns. Capital allocation is the CEO's most important job, yet most investors barely analyze it.
February 15, 2026
Competitive Moats in Practice
Everyone talks about moats, but few investors systematically identify and evaluate them. Here is how to move beyond buzzwords and rigorously assess whether a company's competitive advantage is real, durable, and investable.
February 15, 2026
Unit Economics Analysis for Investors
Unit economics — the revenue and costs associated with a single unit of business — is the foundation of every sustainable business model. Understanding unit economics separates investors who understand a business from those who merely follow the stock.
February 15, 2026
What Predicts Long-Term Outperformance? An Evidence-Based Summary
Which financial metrics and factors actually predict 5-10 year stock returns? A comprehensive evidence summary covering quality, value, momentum, and more.
February 15, 2026
Top 10 Most Useful Stock Screener Filters (Explained)
Discover the 10 most powerful stock screener filters that every investor should know. From P/E ratio to revenue growth, learn which filters actually help you find better stocks.
February 15, 2026
How to Value Cyclical Stocks Without Getting Burned
Cyclical stocks fool investors who rely on standard valuation metrics. Learn the frameworks that actually work for companies tied to economic cycles — normalized earnings, peak-to-trough analysis, and replacement cost valuation.
February 15, 2026
When to Sell a Stock
Knowing when to sell is one of the hardest decisions in investing. Learn the key signals that indicate it is time to let go, and how to build a disciplined selling framework.
February 15, 2026
Top 10 Ratios for Evaluating Growth Stocks
The 10 most important financial ratios for evaluating growth stocks. Learn which metrics reveal sustainable growth versus hype, from PEG ratio to revenue acceleration.
February 15, 2026
Understanding Operating Leverage: The Hidden Force Behind Profit Swings
Operating leverage is the silent amplifier behind dramatic profit swings. Learn how fixed versus variable cost structures create explosive upside — and devastating downside — and how to identify it before it surprises you.
February 15, 2026
Screening for Net-Net Style Bargains
Discover how to screen for net-net stocks trading below their net current asset value. Learn the Ben Graham approach to deep value investing and how to apply it with modern screening tools.
February 15, 2026
Position Sizing Basics
How much of your portfolio should you put into any single stock? Position sizing is the overlooked skill that separates disciplined investors from gamblers.
February 15, 2026
Top 10 Ratios for Evaluating Value Stocks
The 10 essential financial ratios every value investor needs. Learn how to use P/E, P/B, dividend yield, and other key metrics to find undervalued stocks worth buying.
February 15, 2026
Finding Low-Volatility Compounders
Learn how to screen for low-volatility compounders — steady, high-quality businesses that deliver consistent returns with less risk. This guide covers the key metrics, screen setup, and common mistakes.
February 15, 2026
Top 10 Indicators of Earnings Quality
Learn the 10 key indicators that reveal whether a company's earnings are real, sustainable, and high-quality. From accruals to cash flow conversion, spot the signals that matter.
February 15, 2026
How to Read an Income Statement
The income statement tells you whether a business is making money and how efficiently it operates. Learn to decode revenue, margins, and earnings like a professional analyst.
February 15, 2026
Finding Defensive Stocks for Bear Markets
Build a bear-market-ready watchlist by screening for low-beta dividend payers that provide income and stability when markets decline.
February 15, 2026
Screening for Small-Cap Growth Early
Find fast-growing small-cap stocks before they become mid-caps — where outsized returns are born for investors willing to do the homework.
February 15, 2026
Finding Quality Stocks at Fair Prices
Combine quality and value screens to find the best of both worlds — high-quality businesses trading at reasonable valuations.
February 15, 2026
Growth vs Value: False Dichotomy?
The growth versus value debate has defined investing for decades, but the best investors know the distinction is often misleading. Learn why quality matters more than labels.
February 15, 2026
Earnings Quality Analysis: Separating Real Profits from Accounting Mirages
Not all earnings are created equal. Learn how to distinguish high-quality, cash-backed earnings from accounting-driven profits that flatter to deceive — and why this distinction is one of the most powerful edges in investing.
February 15, 2026
Screening for Secular Growth Trends
Learn how to identify companies riding long-term secular growth trends like AI, aging demographics, and clean energy. This screening guide covers the metrics, setup steps, and pitfalls of trend-based stock screening.
February 15, 2026
Top 10 Traits of Recession-Resilient Stocks
Identify stocks that can weather economic downturns. These 10 traits distinguish recession-resilient companies from those that crumble when the economy contracts.
February 15, 2026
How to Read a Cash Flow Statement
The cash flow statement reveals the truth that the income statement can hide. Learn how to analyze operating, investing, and financing cash flows to evaluate business health.
February 15, 2026
Top 10 Warning Signs of Value Traps
Learn to spot value traps before they destroy your returns. These 10 warning signs help you distinguish genuinely cheap stocks from companies that deserve their low valuations.
February 15, 2026
Red Flags in Financial Statements
Financial statements can hide problems in plain sight. Learn the warning signs that experienced analysts look for to avoid value traps, accounting fraud, and deteriorating businesses.
February 15, 2026
Finding Stocks with Operating Leverage
Learn how to screen for companies with high operating leverage — businesses where small revenue increases translate into outsized earnings growth. Covers key metrics, screen setup, and interpretation tips.
February 15, 2026
Forensic Accounting Basics: How to Spot Financial Red Flags Before They Blow Up
The biggest investment losses often come from fraud and aggressive accounting. Learn the forensic accounting techniques that professional short sellers and analysts use to detect manipulation before the market catches on.
February 15, 2026
Top 10 Industries With Historically High Margins
Discover the 10 industries that consistently deliver the highest profit margins. Learn why some sectors naturally produce more profitable companies and how to screen for them.
February 15, 2026
Screening for Recovery After Large Drawdowns
Learn how to screen for stocks recovering from large price drawdowns. This guide covers the key metrics for separating turnaround opportunities from value traps after significant declines.
February 15, 2026
Why Narratives Mislead Investors
Compelling stories can make bad investments feel irresistible. Learn how narrative bias distorts investment decisions and how to ground your analysis in data instead of stories.
February 15, 2026
Top 10 Drivers of Long-Term Stock Returns
What actually drives stock returns over the long run? These 10 fundamental factors have the strongest historical correlation with above-average stock performance.
February 15, 2026
Scenario Analysis in Valuation: Moving Beyond Single-Point Estimates
A single price target is a false precision. Learn how scenario analysis transforms stock valuation from guesswork into a structured framework for thinking about range of outcomes, probabilities, and expected value.
February 15, 2026
Screening for Strong Balance Sheets
Learn how to screen for companies with fortress balance sheets — low debt, high cash positions, and strong liquidity. This guide covers the key ratios, screen setup, and interpretation for financially resilient stocks.
February 15, 2026
Building a Repeatable Investment Process
The best investors do not rely on intuition — they follow a consistent, repeatable process. Learn how to build an investment framework that improves your decisions over time.
February 15, 2026
Top 10 Ways to Reduce Portfolio Risk
Practical strategies to reduce portfolio risk without sacrificing returns. Learn 10 proven methods for building a more resilient investment portfolio using fundamental screening.
February 15, 2026
Optionality in Stocks: Finding Hidden Upside the Market Is Not Pricing
Some stocks contain embedded options — free or cheap call options on future growth, asset value, or strategic pivots that the market is ignoring. Learn how to identify and value optionality to find asymmetric investment opportunities.
February 15, 2026
Finding Multi-Year Revenue Growers
Learn how to screen for companies with consistent multi-year revenue growth. This guide covers the key metrics for identifying compounding revenue growers and avoiding one-hit wonders.
February 15, 2026
Top 25 Screening Strategies That Actually Make Sense
A comprehensive guide to 25 proven stock screening strategies organized by investing style. From value and growth to quality and dividend screening, find the approach that fits your goals.
February 15, 2026
Momentum: Why It Persists
Momentum is the most embarrassing anomaly in finance. Stocks that have gone up tend to keep going up. Here is why this seemingly simple pattern has survived decades of scrutiny and billions in arbitrage capital.
February 15, 2026
Base Rates in Investing: What History Actually Tells Us About Future Returns
Most investors ignore base rates — the historical frequency of outcomes — and rely instead on narratives and individual analysis. Learn why starting with base rates dramatically improves your investment decisions and calibrates your expectations.
February 15, 2026
Combining Value and Momentum Screens
Learn how to combine value and momentum factors into a single powerful stock screen. This guide covers why these two factors complement each other, how to set up a dual-factor screen, and common mistakes to avoid.
February 15, 2026
Top 25 Metrics for Fundamental Investors
A complete reference guide to the 25 most important financial metrics for fundamental analysis. Organized by category: valuation, profitability, growth, balance sheet, and efficiency.
February 15, 2026
Why Most Alpha Gets Arbitraged Away — And What That Means for Your Strategy
Understanding why most investment edges disappear is crucial for finding the few that persist. Learn the mechanics of alpha decay, the efficient market hypothesis in practice, and where genuine edges still exist for individual investors.
February 15, 2026
Top 50 Stocks to Practice Analyzing (Case Study List)
A curated list of 50 stocks across industries that make excellent practice subjects for learning fundamental analysis. Each represents a unique analytical challenge worth studying.
February 15, 2026
The Lifecycle of a Growth Company: From Hypergrowth to Maturity
Every growth company eventually matures. Understanding the lifecycle stages — from hypergrowth to deceleration to maturity — helps you identify where a company sits in its journey and what to expect from the stock next.
February 15, 2026
Top 100 Stocks by Historical Revenue Growth (5-Year View)
How to screen for the top 100 stocks with the strongest historical revenue growth. Learn the methodology, key takeaways, and how to replicate this screen yourself.
February 15, 2026
When Valuation Truly Matters — And When It Does Not
Valuation is the single best predictor of long-term returns but nearly useless for short-term timing. Learn when to obsess over valuation, when to look past it, and the frameworks that separate patient wealth-builders from frustrated value traps.
February 15, 2026
Top 100 Dividend Growth Stocks to Research
How to build a screen for the top 100 dividend growth stocks. Learn the methodology for finding companies that consistently raise dividends and why dividend growth matters for total returns.
February 15, 2026
Long-Term Compounding Math: The Most Powerful Force in Investing
Einstein may not have called compound interest the eighth wonder of the world, but the math behind compounding is the single most important concept in building wealth. This deep dive breaks down the mechanics, the traps, and the practical implications.
February 15, 2026
Top 100 Most Consistently Profitable Companies (Screen-Based)
How to screen for the most consistently profitable public companies. Learn the methodology for identifying businesses with unbroken profitability records and what makes them special.
February 15, 2026
Lessons from The Intelligent Investor and Classic Value Investing Literature
Benjamin Graham's The Intelligent Investor remains the most influential investing book ever written. This deep dive extracts the timeless principles from Graham and other classic value texts — and shows how to apply them in modern markets.
February 15, 2026
How Factor Investing Actually Works
Factor investing sounds academic until you understand the mechanics. Here is how systematic risk premia actually generate returns, why they persist, and how to use them without fooling yourself.
February 15, 2026
Data-Mining Bias in Strategy Design
When you test thousands of strategies, some will look brilliant by pure chance. Data-mining bias is the most insidious threat to investment research, and understanding it will save you from strategies that were never real.
February 15, 2026
Market Efficiency: Theory vs. Reality
The efficient market hypothesis is both the most important idea in finance and the most misunderstood. Here is what it actually claims, where it holds, and where reality departs from theory in ways that matter for your portfolio.
February 15, 2026
Survivorship Bias in Stock Research
The stocks you can research today are the ones that survived. The ones that went bankrupt, got delisted, or merged away are invisible — and ignoring them can dramatically distort your understanding of what works in investing.
February 15, 2026
Insider Buying Tracker
Learn why insider buying is one of the most reliable bullish signals in the market, how to interpret different insider transactions, and what patterns to watch for.
February 15, 2026
Market Cap Migration Tracker
Discover how companies graduate from small cap to mid cap to large cap, why these transitions create outsized returns, and how to identify the next generation of market cap graduates.
February 15, 2026
Analyst Estimate Revision Tracker
Learn why analyst estimate revisions are one of the strongest predictors of future stock returns, how revision momentum works, and how to screen for positive revisions.
February 15, 2026
Historical Valuation Percentiles by Sector
A data-driven framework for understanding how P/E, P/B, and P/S ratios differ across sectors over multiple decades. Learn why comparing valuations within sectors produces far more accurate signals than cross-sector comparisons.
February 15, 2026
Average Margins by Industry (10-20 Year View)
A comprehensive framework for understanding margin norms across industries using 10-20 years of historical data. Learn how gross, operating, and net margins vary by sector and why margins tend to revert to industry means over time.
February 15, 2026
Delisting Patterns in US Markets
An analysis of why US-listed companies delist and the patterns behind it. Covers mergers, bankruptcies, regulatory failures, and survivorship bias — with warning signs investors should watch for.
February 15, 2026
Historical Factor Performance by Regime
How value, momentum, quality, and size factors perform across different macroeconomic regimes. Drawing on Fama-French and AQR research, this study examines factor returns during inflationary, deflationary, and rate-change environments.
February 15, 2026
How Often High Growth Stocks Sustain Growth
Base rate analysis of revenue and earnings growth persistence among public companies. Drawing on McKinsey research, this study reveals how quickly growth rates decay and what it means for valuing growth stocks.
February 15, 2026
Industry Capital Intensity Benchmarks
A data-driven look at capital expenditure norms by industry, covering CapEx-to-revenue and CapEx-to-depreciation ratios. Understand why asset-light businesses often generate superior returns and what capital intensity means for reinvestment needs.
February 15, 2026
Top 10 Metrics Smart Investors Always Check First
The 10 most important financial metrics every investor should know. Each metric explained with what to look for and how to screen for it.
February 15, 2026
Checklist: How to Audit a Backtest for Bias
A practical checklist for detecting bias in investment backtests. Covers survivorship bias, look-ahead bias, overfitting, transaction costs, and more.
February 15, 2026
Stock Fair Value Calculator: Estimate Intrinsic Value Like a Pro
Use our simplified DCF calculator to estimate any stock's fair value. Plug in EPS, growth rate, discount rate, and terminal P/E to see if a stock is undervalued or overvalued.
February 15, 2026
ROIC Calculator: Measure Value Creation vs. Cost of Capital
Calculate Return on Invested Capital and compare it to WACC. See whether a company creates or destroys shareholder value with our interactive ROIC tool.
February 15, 2026
Back-of-Envelope Valuation: Quick Intrinsic Value in 30 Seconds
Quickly estimate a stock's fair value using revenue, margin, and a P/E multiple. Our napkin-math tool shows the full calculation chain from revenue to per-share value.
February 15, 2026
Historical ROIC Persistence Study
How long do companies with high returns on invested capital maintain their edge? This data study examines ROIC decay rates by sector, drawing on Credit Suisse HOLT data and academic research on competitive advantage durability.
February 15, 2026
Net Margin Mean Reversion by Sector
Evidence that corporate net margins revert to industry means over time, with analysis of reversion speed by sector. Learn when above-average margins are sustainable versus temporary, drawing on competitive dynamics research.
February 15, 2026
IPO Cohort Performance by Year
Historical analysis of IPO vintage years and their subsequent performance. Drawing on Jay Ritter's IPO research, this study examines which cohorts outperformed, the IPO underperformance anomaly, and 1-year to 5-year return patterns.
February 15, 2026
Seasonality Patterns by Industry
Monthly and quarterly return patterns across industry sectors, including the Sell in May effect, holiday retail patterns, and tax-loss harvesting seasonality. Drawing on Bouman and Jacobsen research and decades of market data.
February 15, 2026