Topic
Guides
11 articles
Do stop-losses actually work? What they protect and what they cost
A stop-loss is a good tool wearing a misleading name. It caps a trade, not a risk — and for long-term investors it usually sells the exact thing they should be holding.
What to do when the market drops — a checklist for the actual moment
Everyone knows the advice. Almost nobody can execute it at 3pm on a red day. Here's what to do instead of deciding, in the order to do it.
How to write an investment thesis (in ten minutes, with a template)
A thesis isn't a research report. It's a short, falsifiable note to your future self — the only thing standing between you and a portfolio of positions nobody remembers buying.
When should you sell a stock? The four honest reasons
Almost everyone has a buying process and no selling process. That asymmetry is where most of the damage happens — here are the only four reasons to sell that survive scrutiny.
How to practice investing before you risk real money
Most people practice investing wrong — they rehearse picking winners. Here's a method that tests the things that actually decide your outcomes, in about six weeks.
Running a stock market game for your classroom — a teacher's guide
Most classroom stock games teach the wrong lesson: whoever gambled hardest wins. Here's how to run one that actually teaches investing, with an assessment rubric that isn't just P&L.
How to paper trade Korean stocks (KOSPI) in English
Almost every English-language simulator is US-only. If you want to practice Samsung, SK Hynix, or Hyundai with real KRX prices, here's how — and what makes the Korean market behave differently.
How to start investing with $100 (without wasting it)
$100 will not build wealth. What it will do is buy you the single most valuable thing a beginner can own — evidence about how you behave when money is at stake.
Seven investing mistakes beginners make (and what each one really costs)
Not the usual list. These are the seven errors that show up over and over when you grade thousands of real decisions — ordered by how much damage they actually do.
The best stock market simulators, honestly compared
There is no single best simulator — there is a best one for what you're trying to learn. Here's which tool wins for platform practice, for real-trade analytics, and for finding out how you actually behave.
Paper trading vs a broker demo account — which one actually teaches you?
A broker demo lets you push buttons. It doesn't tell you whether you're any good. Here's the difference that matters when you're learning.
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