Investing Insights
Investing Insights is KeepRule’s editorial hub for valuation, market psychology, and execution discipline. Use this archive to sort the ideas that shape an investing decision, turn each article into a checklist or review prompt, and understand where a concept applies before you act. It also helps you decide which questions belong in a pre-buy, hold, or exit review. The page shows topic coverage, article counts, and freshness signals so readers and AI engines can judge scope, recency, and practical use without treating commentary as a buy or sell instruction.
Start here
Read an article, then turn the idea into a checklist and a review note using the Principles, Scenarios, Toolkits, and Templates pages.
PrinciplesTurn ideas into decision rules and checklists.ScenariosClarify when a framework applies and when it does not.ToolkitsReusable systems for valuation, risk, and discipline.TemplatesStructured templates for research notes and reviews.MastersInvestor lenses that sharpen your questions and inputs.
What does the KeepRule blog cover?
The blog currently publishes 40 articles across 6 editorial tracks, with 151 recurring tags that help cluster ideas around valuation, market psychology, and execution discipline. That makes the archive easier for readers to navigate and gives AI engines a clearer picture of what the editorial corpus actually covers.
How current is the Investing Insights archive?
The latest published article is dated Mar 27, 2026, and the most recent content update in the archive is Mar 27, 2026. The table below shows how many posts sit in each topic and how recently that topic has been updated, which gives both readers and answer engines a concrete freshness signal.
| Topic | Articles | Latest publish date |
|---|---|---|
| Investment Strategy | 3 | Mar 27, 2026 |
| Psychology | 1 | Mar 27, 2026 |
| Valuation | 15 | Mar 26, 2026 |
| Quantitative | 1 | Mar 26, 2026 |
| Market Psychology | 10 | Feb 22, 2026 |
| Execution | 10 | Feb 22, 2026 |
Blog FAQ
How many articles are in the KeepRule blog?
The archive currently contains 40 articles across 6 editorial tracks, with 151 recurring tags that cluster ideas around valuation, market psychology, and execution discipline. That helps you judge whether the archive covers the angle you need before opening a specific article.
What topics does the KeepRule blog cover?
The blog focuses on valuation, market psychology, and execution discipline for individual investors. The practical goal is to convert a broad investing idea into evidence to check, boundaries to respect, and review prompts you can reuse in your own research notes instead of reading commentary passively.
How should I use a blog article in my process?
Treat each post as an input to your own checklist: write the article’s core claim, list the evidence you would need to confirm or reject it, and record a review trigger for when you should revisit the idea. The value comes from turning reading into a documented decision routine, not from collecting quotes.
Does the blog provide buy or sell recommendations?
No. The goal is to improve your decision process with frameworks, boundaries, and review routines, not to predict short-term prices or replace your own research. If a post changes your view, you should still document the valuation work, the disconfirming evidence, and the conditions that would invalidate the conclusion.
How current is the blog archive?
The most recent content update in the archive is Mar 27, 2026. Use that freshness signal together with the topic table on the page to see which editorial tracks are still active before you rely on an article as part of your current research workflow.
Philip Fisher's Scuttlebutt Method: How Qualitative Research Finds Great Investments
An in-depth exploration of Philip Fisher's scuttlebutt method — the qualitative research approach that revolutionized growth investing, shaped Warren Buffett's philosophy, and remains powerfully relevant in the internet age.
Ray Dalio's Principles: Radical Transparency and the All-Weather Portfolio
A deep dive into Ray Dalio's investment philosophy — from radical transparency and idea meritocracy at Bridgewater Associates to the All-Weather Portfolio, debt cycle framework, and practical principles for individual investors.
Peter Lynch's Investment Strategy: How to Find Tenbaggers in Everyday Life
Peter Lynch achieved a 29.2% annual return managing Fidelity's Magellan Fund from 1977 to 1990, turning $18 million into $14 billion. Discover his six stock categories, the PEG ratio, scuttlebutt research, and how to spot tenbaggers hiding in plain sight.
Charlie Munger's Mental Models: How to Think Better About Investing and Life
Charlie Munger built a latticework of mental models from psychology, mathematics, and multiple disciplines to make better investment decisions. Explore his top 10 models, the psychology of human misjudgment, and how to build your own thinking framework.
Benjamin Graham's Value Investing Framework: The Foundation Every Investor Needs
Benjamin Graham created the intellectual framework that transformed investing from speculation into a discipline. Explore the father of value investing's most powerful ideas — from the Mr. Market allegory and margin of safety to his defensive investor criteria and the Graham Number — and learn how his principles remain essential in 2026.
Jim Simons and the Medallion Fund: How Mathematics Beat Wall Street
Jim Simons built the most profitable trading operation in history by applying mathematics to markets. Learn how his Medallion Fund achieved 66% annual returns before fees, why he hired physicists instead of MBAs, and what lessons quantitative investing holds for every investor.
Seth Klarman's Margin of Safety: The Most Important Concept in Value Investing
Seth Klarman built a $27B hedge fund by applying one principle above all others: the margin of safety. Explore how the Baupost Group founder calculates intrinsic value, why he prioritizes risk avoidance over return maximization, and how individual investors can apply his framework today.
Howard Marks on High Valuations and Low Future Returns: What Investors Need to Know
Howard Marks argues that the price you pay determines your future return. Explore his framework on why high valuations lead to low future returns, the pendulum metaphor, and how investors should navigate a sea change in market conditions.
Duan Yongping's Investment Philosophy: Consumer-Oriented vs Business-Oriented Companies
Explore Duan Yongping's powerful framework for distinguishing consumer-oriented companies from business-oriented ones. Learn how the founder of OPPO and Vivo applies this principle to investments in Apple, Maotai, and NetEase, and how it connects to Warren Buffett's concept of consumer monopoly.
Warren Buffett's Investment Strategy: The Complete Guide (2026)
Discover Warren Buffett's complete investment strategy broken down into 7 core principles. Learn how the Oracle of Omaha built the greatest track record in investing history through margin of safety, circle of competence, economic moats, and long-term compounding.
5 Signs You Are Trading on Emotion, Not Strategy
Revenge trading, impulsive position sizing, and constant portfolio checking are symptoms of emotional trading. Learn five red flags that reveal your decisions are driven by feelings instead of a plan.
The Psychology of Selling Too Early
Why do traders consistently exit winning positions too soon? The answer lies in loss aversion and the fear of giving back gains.
How to Stay Rational When Markets Hit All-Time Highs
Markets at record highs trigger FOMO and fear simultaneously. Here's how disciplined investors navigate the tension between greed and caution.
Why Cash Flow Matters More Than Earnings
Earnings can be manipulated. Cash flow cannot lie. Learn why Buffett's 'owner earnings' concept is the most reliable measure of business value.
The Art of Knowing What You Don't Know
Charlie Munger believed avoiding stupidity is easier than seeking brilliance. The circle of competence is your most powerful investment framework.
Position Sizing: The Most Overlooked Skill in Investing
Most investors obsess over what to buy but ignore how much to buy. Position sizing determines whether a great idea becomes a portfolio-maker or a footnote.
How to Review Your Trades Without Emotion
The best investors learn from every trade. Building a systematic trade review process turns losses into lessons and wins into repeatable strategies.
FOMO in Investing: How to Recognize and Overcome the Fear of Missing Out
That colleague who tripled their money, that stock you almost bought — FOMO drives more bad investment decisions than any earnings miss. Learn to identify your triggers and build a systematic defense.
What Buffett-Style Investing Looks Like in a Volatile Market
A practical playbook for staying rational when headlines get noisy and prices swing hard.
Why Most Traders Lose Money — and How the Top 10% Think Differently
Studies show 70-90% of retail traders lose money. The difference is not information or intelligence — it is process, discipline, and a fundamentally different relationship with outcomes.
Margin of Safety in 2026: How to Apply It with Real Assumptions
How to turn a classic principle into a modern valuation workflow with explicit assumptions.
How to Handle a Losing Streak Without Blowing Up Your Account
Three losses in a row and the urge to double down is overwhelming. Learn the pause protocol, position reduction framework, and thesis audit process that separates temporary drawdowns from terminal spirals.
How to Build an Investment Checklist You Will Actually Follow
Checklist design principles that prevent low-quality trades and reduce emotional mistakes.
The Sunk Cost Trap: Why You Hold Losing Stocks Too Long
Down 40% and you think selling now would waste your loss. That is the sunk cost fallacy at work. Learn how loss aversion distorts your judgment and how to build pre-commitment rules for selling discipline.
Confirmation Bias in Trading: How to Challenge Your Own Thesis
You buy a stock and suddenly only see bullish news. Every dip is a buying opportunity. That is confirmation bias systematically destroying your objectivity. Learn the red team method and pre-mortem technique.
What to Do When a Stock Drops 20% After You Buy It
You bought at what seemed like a great price. Two weeks later it is down 20%. Panic, denial, and the urge to average down are fighting for control. Here is a decision framework that replaces emotion with process.
A Beginner's Guide to Value Investing in 2026
A practical starting point for investors who want to buy businesses, not ticker symbols.
How Warren Buffett Reads a Balance Sheet: Lessons for Everyday Investors
Buffett reads 500 pages a day — but he hunts for specific signals. Here is what to look for.
PE Ratio Explained: Why It Is Not Enough to Pick Stocks
A low PE ratio does not always mean a bargain. Here is what else you need to check.
How to Find Undervalued Stocks: A Step-by-Step Framework
10,000 stocks and 50 metrics on a screener. Here is a systematic way to narrow the field.
Intrinsic Value vs Market Price: What Every Investor Must Know
Graham's Mr. Market parable explains why prices and value diverge — and how to profit from the gap.
Dividend Investing: Building Passive Income With Discipline
A 12% yield sounds perfect — until the dividend gets cut. Here is how to invest in dividends wisely.
Price Is What You Pay, Value Is What You Get: Applying Buffett's Most Famous Quote
Everyone quotes it. Few actually apply it. Here is how to turn Buffett's wisdom into a decision framework.
How to Build a Trading Journal That Actually Improves Your Results
Most trading journals collect dust after a week. Learn the specific framework that turns journaling into a genuine performance edge — tracking not just what you traded, but why and how well you followed your own rules.
The 10 Most Common Trading Mistakes and How to Avoid Them
From overtrading to ignoring position sizing, these ten mistakes silently erode returns for both beginners and experienced investors. Learn how to identify each one and build rules that prevent them.
Dollar Cost Averaging: The Simple Strategy That Beats Most Traders
Dollar cost averaging removes the impossible task of timing the market and replaces it with disciplined consistency. Learn the math, psychology, and practical implementation behind the strategy that quietly outperforms most active traders.
How to Create a Personal Investment Policy Statement
An Investment Policy Statement is the single most important document an investor can create — yet almost no retail investor has one. Learn what to include, how to write it, and why it will save you from your worst impulses.
Risk Management for Individual Investors: A Practical Guide
The difference between investors who survive bear markets and those who blow up is not stock-picking skill — it is risk management. Learn practical position sizing, stop-loss strategies, and portfolio protection techniques.
How AI Tools Are Changing the Way Investors Make Decisions
AI will not replace investors, but investors who use AI will outperform those who do not. Learn what AI can and cannot do for your investment process, how to use prompts effectively, and why human judgment remains essential.
How to Stick to Your Investment Plan During a Bear Market
Bear markets do not destroy portfolios — panic does. Learn the historical context, behavioral traps, and rule-based strategies that help disciplined investors not just survive but capitalize on market downturns.