Practical articles on valuation, psychology, and execution discipline — from the KeepRule editorial team.
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.
Why do traders consistently exit winning positions too soon? The answer lies in loss aversion and the fear of giving back gains.
Markets at record highs trigger FOMO and fear simultaneously. Here's how disciplined investors navigate the tension between greed and caution.
Earnings can be manipulated. Cash flow cannot lie. Learn why Buffett's 'owner earnings' concept is the most reliable measure of business value.
Charlie Munger believed avoiding stupidity is easier than seeking brilliance. The circle of competence is your most powerful investment framework.
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.
The best investors learn from every trade. Building a systematic trade review process turns losses into lessons and wins into repeatable strategies.
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.
A practical playbook for staying rational when headlines get noisy and prices swing hard.
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.
How to turn a classic principle into a modern valuation workflow with explicit assumptions.
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.
Checklist design principles that prevent low-quality trades and reduce emotional mistakes.
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.
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.
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 practical starting point for investors who want to buy businesses, not ticker symbols.
Buffett reads 500 pages a day — but he hunts for specific signals. Here is what to look for.
A low PE ratio does not always mean a bargain. Here is what else you need to check.
10,000 stocks and 50 metrics on a screener. Here is a systematic way to narrow the field.
Graham's Mr. Market parable explains why prices and value diverge — and how to profit from the gap.
A 12% yield sounds perfect — until the dividend gets cut. Here is how to invest in dividends wisely.
Everyone quotes it. Few actually apply it. Here is how to turn Buffett's wisdom into a decision framework.
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.
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 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.
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.
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.
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.
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.