I just noticed that many people ask about supply and demand, but they don't quite understand how it relates to investing. Actually, it's simpler than you think.

Supply and demand are about "who wants to buy" and "who wants to sell." When more people want to buy, the price goes up. When more people want to sell, the price goes down. This is the most basic principle of the market.

Alright, let's go into more detail.

The first thing is "demand," or Demand, which is the desire to buy. If the price of a stock drops, people will want to buy more because it looks cheaper. Conversely, if the price rises, people will buy less because it looks more expensive. This is called the "law of demand" — the desire to buy and the price have an inverse relationship.

Next is "supply," or Supply, which is the desire to sell. When the price increases, sellers want to sell more because they can make more profit. If the price drops, sellers are less willing to sell. This is the "law of supply" — the desire to sell and the price move in the same direction.

When buying and selling forces collide, it creates what is called "equilibrium," where the price settles at a level that both buyers and sellers are satisfied with. If the price goes higher, sellers want to sell more but buyers will reduce their demand, causing the price to fall back. If the price drops, buyers want to buy more but sellers will reduce their supply, causing the price to rise again.

Now, in financial markets, what factors influence demand? For example, interest rates — if rates are low, investors seek higher returns in stocks. Market confidence, news, or even people's feelings all affect buying decisions.

As for supply, it is affected by company decisions, such as issuing new shares (which increases supply) or buybacks (which decrease supply). Additionally, new IPOs entering the market or regulations can impact supply.

When managing trades or choosing stocks, many traders use Demand Supply Zones, which are points where demand or supply is overwhelming. The price moves rapidly, then consolidates and forms a base. When new news comes in, the price breaks through that base and continues its move.

For example, if the price previously dropped sharply (excess supply) and then paused, now if good news arrives, the price will break upward — this is when traders see a buying opportunity. Conversely, if the price previously surged sharply (excess demand) and then paused, bad news might cause it to break downward — a selling signal.

For long-term investors, it’s important to look at the demand in the market: Is the company growing? How are its earnings? If good news comes out, new investors will buy, increasing demand and pushing the price up. If bad news appears, people will want to sell, increasing supply and lowering the price.

In summary, once you understand the laws of supply and demand, you don’t need to memorize resistance and support levels or analyze complex candlestick patterns. All of that stems from supply and demand. When you grasp this fundamental concept, everything makes sense, and reading the market becomes easier.