Asset Allocation Explained
Asset allocation connects a financial goal to a mix of risks. Learn how to design, document, and maintain it without copying a generic model portfolio.
Evidence through Jul 21, 2026Read guide
The library
Learn the concept. See the trade-off.
A growing collection of reviewed guides for self-directed investors—from first principles to market-specific edge cases.
Capital Gains Tax: A US Investor’s Guide to Gains, Losses, Holding Periods, and State Differences
Capital gains tax is the tax framework that can apply when a capital asset is sold or otherwise disposed of for more than its adjusted basis. This guide explains the US distinction between short-term and long-term results, netting gains and losses, federal rate structure, loss carryforwards, reporting, and examples of
Evidence through Jul 25, 2026Read guide
Fund Overlap and Hidden Concentration Risk
Owning more funds does not necessarily mean owning more kinds of risk. Use a look-through audit to find repeated holdings and unintended concentration.
Evidence through Jul 21, 2026Read guide
How Fund Fees Reduce Returns
A practical guide to finding every layer of fund cost, translating percentages into money, and comparing alternatives without confusing price with value.
Evidence through Jul 21, 2026Read guide
How Investment Funds Work
A plain-language guide to pooled investments: ownership, net asset value, trading, fees, distributions, governance, and the questions to ask before investing.
Evidence through Jul 21, 2026Read guide
How to Build and Maintain a Diversified Portfolio
A practical, product-neutral framework for turning goals into a diversified portfolio—and keeping its risks, costs, and complexity under control.
Evidence through Jul 21, 2026Read guide
Index Funds vs ETFs
“Index fund” describes what a fund tries to do; “ETF” describes how a fund is structured and traded. Here is how to compare them correctly.
Evidence through Jul 21, 2026Read guide
Mutual Funds vs ETFs
Mutual funds and ETFs can own similar portfolios but reach investors through different dealing systems. Learn which differences actually affect a long-term plan.
Evidence through Jul 21, 2026Read guide
Portfolio Rebalancing Explained
Rebalancing restores a portfolio’s intended risk after markets move. Learn the main policies, trade-offs, costs, and mistakes to avoid.
Evidence through Jul 21, 2026Read guide
Treasury Bond Prices: How Par, Coupons, Yields, and Maturity Fit Together
Treasury bond prices can be below, at, or above par. This guide explains how the auction-set interest rate differs from yield to maturity, how bills, notes, bonds, TIPS, and Floating Rate Notes differ, and why maturity and rate conventions matter when reading Treasury data.
Evidence through Jul 19, 2026Read guide
Topic hubs
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Each hub connects explanations, misconceptions, decisions, and relevant market context.
Concept
asset-allocation
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bond
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capital-gains-tax
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compounding
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concentration-risk
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diversification
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exchange-traded-funds
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fund-overlap
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fund-structure
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funds-portfolios
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index-funds
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investment-fees
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investment-risk
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mutual-funds
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net-asset-value
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