Woo Joong
Dividend Growth vs High Yield: Which Should You Own โ SCHD, VYM, and the Dividend Aristocrats
Dividend growth (SCHD) versus broad high yield (VYM): what each optimizes for, why a lower starting yield can…
Why Interest Rates Move Markets: A Beginner’s Guide to the Fed
When the Fed moves rates, stocks and bonds move too. The four channels โ borrowing costs, bond prices,…
What Moves Currency Prices? Interest Rates, Inflation, and Central Banks
What moves currency prices: rate differentials and the carry trade, inflation, central-bank policy and risk sentiment โ and…
What Makes a Trading System Robust? A Checklist
A robust system is one whose edge survives conditions it was never tuned on. The checklist โ trials,…
What Is a P/E Ratio and How Do You Actually Use It?
What the P/E ratio actually measures, trailing versus forward, why a high P/E doesn’t mean expensive, and how…
What Is Overfitting in Backtesting (And How to Avoid It)
Overfitting is why a beautiful backtest and a losing strategy are so often the same thing. What it…
What Is Inflation, Really? A Plain-English Breakdown
Inflation isn’t just ‘things are expensive right now.’ What it really is, how CPI and PCE measure it,…
What Is APR vs APY? The Difference That Costs You Thousands
APR is what you pay to borrow; APY is what you earn to save โ and APY includes…
What Are Fractional Shares? How to Invest When You Can’t Afford a Full Share
A fractional share lets you buy part of a share by the dollar โ so $10 buys into…
Walk-Forward Analysis: Testing a Strategy Like a Quant
Walk-forward analysis re-optimizes on a rolling window and tests once on the next unseen slice. How it works,…