One Day Investor

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Thoughts on the long game.

April 20, 2026

I Lost $3,000 Trading Crypto. The Research Says I'm Not Alone.

97% of persistent day traders lose money. Here's what academic research reveals about why active trading destroys wealth — and what actually works instead.

Behavioral FinanceResearchPersonal FinanceInvesting

April 19, 2026

Your Budget App Isn't Broken. It's Just Irrelevant.

68% of users abandon financial apps within weeks. The problem isn't willpower — it's that budgeting solves the wrong problem.

BudgetingSavingsBehavioral Finance

April 18, 2026

When One Day a Month Isn''t Enough — The Exceptions Worth Knowing

Your monthly routine handles 90% of your financial life. Here are the 5 moments that deserve extra attention — and how to handle them.

Personal FinanceInvestingPortfolio ManagementSavings

April 17, 2026

What Your Monthly Portfolio Check Should Actually Look Like

A structured 15-minute monthly routine for tracking salary, savings, and investments — backed by research. Everything you need to do, nothing you don't.

InvestingPortfolio ManagementPersonal FinanceSavings

April 15, 2026

Why Most Investing Apps Are Designed to Make You Trade More

Zero-commission brokers profit from your trades through payment for order flow. Their app design reflects this — every feature nudges you toward action, not patience.

Behavioral FinanceInvesting

April 13, 2026

How Frequent Portfolio Checking Reduces Long-Term Returns

It seems intuitive that regularly monitoring investments helps investors make better decisions. However, behavioral economics suggests the opposite: the more frequently an investor checks their portfolio, the higher the likelihood of reduced long-term returns.

Investing