Sequence of Returns Risk: The Formula That Shows What a Bad First Year Really Costs
Two people retire with the exact same $1,000,000 portfolio and earn the exact same 7.9% annualized return over 25 years. One ends with $4.5 million….
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Dollar Cost Averaging vs Lump Sum Investing: What 46 Years of Data Actually Show
Vanguard ran the numbers across 46 years of global market data and found that investing a windfall all at once beat spreading it over three…
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Confirmation Bias Investing: Why More Research Makes You More Certain and Less Right
Over the ten years ending December 2024, the average dollar invested in U.S. mutual funds and ETFs earned 7.0% a year while the funds themselves…
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Overconfidence Bias Stock Picking: Why Doing Your Own Research Makes It Worse
Between 1991 and 1996, the households that traded most actively in their brokerage accounts earned 11.4% a year. The market returned 17.9% over the same…
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Expense Ratio Impact Over 30 Years: Why “It’s Only 0.4%” Is the Most Expensive Myth in Investing
Two funds hold nearly identical baskets of U.S. stocks. One charges 0.03% a year, the other 0.40%. On a $10,000 balance that difference is $37…
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Tax Loss Harvesting for Small Portfolios: Is It Worth It? (Run the Math First)
A $12,000 index fund position sitting 8% underwater generates a $960 realized loss. At a 22% marginal rate, selling it and buying a near-identical fund…
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Asset Location vs Asset Allocation: Why the “Bonds in Your 401(k)” Rule Barely Matters for Most Portfolios (2026)
Vanguard’s own research puts the value of optimal asset location at up to 0.60% a year. It puts the value of your strategic asset allocation…
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Three Fund Portfolio for Beginners: The Complete 2026 Setup Guide (Allocations, Fees, and the Rebalancing Math That Matters)
Over the 20 years ending December 2024, the S&P 500 returned 10.35% annualized. The average equity investor holding those same funds earned 9.24%. That 111…
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Index Fund vs Target Date Fund: Which to Choose in 2026 (Real 30-Year Math on Fees, Glide Paths, and Control)
The Investment Company Institute’s 2024 Fact Book pegs target-date fund assets at more than $3.5 trillion, with roughly 60% of 401(k) participants holding at least…
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Gambler’s Fallacy Investing Mistakes: A Case Study on the $18,600 ‘It’s Due for a Bounce’ Trade (2026)
A stock in your portfolio drops five trading days in a row. The little voice in your head whispers, “It has to bounce tomorrow —…
