Trading Basics: How Markets Actually Work
Before you place a single trade, understand what you're buying, who you're buying from, and why prices move.
Key facts
- A trade is simply an agreement to buy or sell an asset at an agreed price.
- Prices move because of supply and demand — more buyers push prices up.
- The 'spread' is the gap between the buy and sell price, and it's a cost to you.
- You never have to trade. Cash on the sidelines is a valid position.
What is a trade?
At its core, trading is exchanging money for an asset — a share of a company, a unit of currency, or a coin — in the hope that it becomes more valuable, or generates income. When you 'buy', you own the asset. When you 'sell', you exchange it back for cash.
Every market has two sides: buyers (bidding to purchase) and sellers (asking a price). The point where they agree becomes the market price. That price updates constantly as new orders arrive.
Why do prices move?
Prices are driven by supply and demand. When more people want to buy than sell, prices rise. When sellers outnumber buyers, prices fall. News, earnings, interest rates, and broad sentiment all influence which way the balance tips.
As a beginner, you don't need to predict every move. You need a repeatable process and rules that protect your capital while you learn.
The costs you'll pay
Beyond the price itself, you'll encounter spreads (the gap between buy and sell prices), commissions, and sometimes overnight fees. These small costs add up, which is why choosing a low-cost broker matters — especially when you're starting small.
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