investment psychology8 min read
Peter Lynch Approach Applied to ETF Investing
Lynch beat the market for 13 years at Magellan, then watched amateurs turn his advice into an excuse for lazy bets. Here's what 'invest in what you know' really means.
Investment Psychology & Mindset
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45 articles in this category
investment psychology8 min read
Benjamin Graham Principles for Modern Investors
Graham taught Warren Buffett, and his core ideas — margin of safety, the Mr. Market allegory, the defensive investor — translate cleanly to a disciplined index-fund approach.
investment psychology6 min read
The Endowment Effect in Investing
We demand more to give up something than we'd pay to get it. That quirk leaves portfolios stuffed with inherited shares and old picks nobody would buy today. Here's the cure.
investment psychology6 min read
Anchoring Bias in Investment Decisions
The price you paid is the most useless number in your portfolio — and the one you can't stop staring at. Anchoring bias keeps investors from selling losers and buying value.
investment psychology6 min read
Availability Bias in Investment Decisions
We judge risk by what comes easily to mind, not by what's actually probable. A dramatic crash or a friend's lucky trade hijacks your sense of the odds. Here's the fix.
investment psychology6 min read
The Gambler Fallacy in Investing
After five red days, black is not 'due.' Markets have no memory, and the gambler's fallacy quietly drives investors to buy falling knives and bail on winners.
investment psychology6 min read
Developing Your Identity as Long-Term Investor
Strategies fail when willpower runs out. Identity doesn't. Here's how to shift from someone who is trying to invest well to someone who simply is a long-term investor.
investment psychology6 min read
Managing Financial Anxiety as an Investor
Watching your portfolio drop is stressful, and stress makes people sell low. The fix isn't to care less — it's to design a system that protects you from your own panic.
investment psychology7 min read
The Psychology of Wealth Building
The math of getting wealthy is simple; the behavior is hard. Savings rate, decades of compounding, and not panic-selling beat clever stock-picking almost every time.
investment psychology7 min read
Stoic Philosophy Applied to Investing
The Stoics drew a hard line between what you control and what you don't. Applied to investing, that single idea quietly solves most of an investor's anxiety.
investment psychology6 min read
Mindfulness and Better Investment Decisions
Most investing damage happens in the few seconds between feeling fear and clicking sell. Mindfulness is simply the practice of inserting a pause into that gap.
investment psychology6 min read
Keeping an Investment Journal: Why and How
Your memory of why you bought is unreliable and self-flattering. A decision journal captures the truth in real time, turning your own history into a coaching tool.
investment psychology6 min read
Building Confidence as a New Investor
Confidence that depends on your portfolio going up isn't confidence — it's a mood. Here's how to build the durable kind that holds steady when markets don't.
investment psychology6 min read
The Dunning-Kruger Effect in Investing
The most dangerous moment in your investing life may be three months in, when a little knowledge convinces you that you've cracked the market.
investment psychology6 min read
Hindsight Bias: I Knew It All Along
After every crash, it looks like the warning signs were everywhere. Hindsight bias rewrites your memory so the unpredictable seems obvious — and breeds dangerous overconfidence.
investment psychology7 min read
The Narrative Fallacy: Stories vs Data
Humans are storytelling animals, which is exactly the problem. A vivid narrative about a stock or trend will overrule dull statistics every time — usually to your cost.
investment psychology6 min read
Status Quo Bias: Why Investors Do Not Rebalance
The most expensive portfolio decision is often the one you never made. Status quo bias keeps investors in default funds and unbalanced allocations for years.
investment psychology7 min read
Mental Accounting: How It Affects Your Portfolio
A dollar is a dollar, but your brain refuses to believe it. Mental accounting splits your money into mental buckets that quietly distort how you invest, spend, and sell.
investment psychology7 min read
The Disposition Effect: Selling Winners Too Early
Investors sell their winners to feel smart and cling to losers to avoid feeling wrong. This backwards instinct — the disposition effect — is one of the costliest in investing.
investment psychology6 min read
The Sunk Cost Fallacy in Investing
Refusing to sell a loser 'until it comes back to what I paid' is the sunk cost fallacy in action. Your purchase price is irrelevant to whether the investment is worth holding now.
investment psychology6 min read
Analysis Paralysis: When Too Much Research Hurts
Endless research feels responsible, but for a beginner it's often just expensive procrastination. The cure isn't more analysis — it's a simple default fund and a start date.
investment psychology6 min read
Decision Fatigue: Why Simpler Portfolios Win
The quality of your decisions degrades the more you make. In investing, that argues for radical simplicity — a portfolio with almost nothing to decide is one you'll actually stick with.
investment psychology6 min read
Psychology Behind Automatic Investing
The genius of automatic investing isn't the money math — it's the psychology. By making investing the default and trading the effort, it quietly defeats every bias that costs investors money.
investment psychology6 min read
Building Investment Discipline: Daily Habits
Disciplined investors aren't more willful than everyone else — they've just built systems that make the right behavior the path of least resistance. Here's how to build them.
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