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01 Β· Trading & Indicators
How to Backtest a Trading Strategy
Test an idea properly β without fooling yourself.
02 Β· Money & Economics
How the Economic Machine Works
The one mental model everything else builds on.
03 Β· Investing & Wealth Building
How to Build a 3-Fund Portfolio
A complete, boring, durable place to start.
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Latest research
The Value Trap: How to Tell ‘Cheap’ From ‘Cheap for a Reason’
A low P/E is a question, not a bargain. How to tell a mispriced stock from a value trap β the denominator…
How Institutions Actually Manage Risk β And Which Parts You Can Steal
Institutional desks manage risk with limits and budgets, not better predictions. The machinery, what it costs, and the four pieces a retail…
Value Investing, Honestly: You’re Getting Paid to Be Patient β and the Payment Isn’t Guaranteed
What buying a discount to intrinsic value actually means, the margin of safety, the real long-run value premium β and the lost…
Risk/Reward Ratio Explained: Why a ‘Good’ Ratio Isn’t an Edge by Itself
Risk/reward is reward divided by risk, and alone it tells you almost nothing. The breakeven win-rate formula, and the hidden cost of…
Growth Investing Is a Bet on Duration: Why Rising Rates Hit Your Fastest Stocks Hardest
Growth stocks fall when rates rise because a discount rate hits distant cash flows hardest β and growth is distant cash flows.…
The Hidden Trade Inside Your Index Fund: What the ‘Index Effect’ Cost You, and Why It Faded
Index funds must trade what the index says, when it says, in public. For decades that was a tax. How the index…
The Fed’s Dot Plot vs. Reality: 44 Rate Projections Checked Against What Happened
The Fed raised rates on September 16, 2026. Here are 44 of its own dot-plot projections since 2015, checked against the actual…
Quantitative Easing and Tightening Explained: How the Fed ‘Prints Money’ and Takes It Back
QE creates reserves to buy bonds; QT lets them run off. Every round since 2008, measured from the Fed’s weekly balance sheet,…
Trade Expectancy Explained: The One Number That Decides If a System Makes Money
Win rate is the vanity metric; expectancy is the truth. The exact formula, why a 90%-win system can still lose money, and…
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What this site is
By WoozKa is an independent research desk covering money and economics, investing, stocks and ETFs, crypto, forex and futures, and trading systems. It is written for people who manage their own money and would rather understand a mechanism than be handed a conclusion.
It is written by Woo Joong, a trader and market researcher. Articles here start from primary sources β regulatory filings, exchange and broker documentation, central-bank data, published academic research β rather than from other blogs, and figures carry the date they were accurate as of, because finance content ages faster than almost anything else.
The house style is to show a method alongside the conditions under which it stops working. An approach that only ever appears in its best light is being sold, not explained.
Follow Woo Joong on X: @By_WoozKa
What this site does not do
- No personalized advice. Nothing here accounts for your circumstances, and none of it is a recommendation to buy or sell a specific investment.
- No signals, no courses, no “system” for sale. The tools are free and run in your browser.
- No original backtest results presented as evidence. Where backtesting comes up, the article explains the methodology and its pitfalls and points to published research, rather than asking you to trust numbers you cannot audit.
- No pretending about AI. Drafting and research organization are AI-assisted; a person reviews, fact-checks and finishes the work, and is accountable for it. Personal experiences described on this site are real, not generated.
- No paid conclusions. Some pages mention brokers or products and some links are affiliate links. They are disclosed, and they are never the reason a conclusion is what it is.
The full detail is in the Editorial Policy, the Disclaimer and the Affiliate Disclosure.