Retail investors' biggest problem is not knowing where to buy or sell. I often see people shooting in the dark, only to get trapped at the worst possible positions. In fact, true experts have long mastered a secret weapon: knowing how to identify those key support points.

Did you know that less than 10% of investors can accurately catch the bottom? Why? Because they’ve learned a skill—drawing support lines. Today, I’ll break down how these trading masters operate.

First, you need to understand what a support line is. When the price drops to a certain level, the bulls see an opportunity and buy large amounts of the asset, causing the price to stop falling or even rebound. Drawing a line at this level creates a support line. Conversely, there are resistance lines, as well as derived lines like ascending support lines and trend lines. But support lines are fundamental—once you understand this, everything else becomes easier.

How can you accurately find support points? Let’s take BTC’s candlestick chart as an example. First, identify previous lows, then find a second low close to the first one, and connect these two points with a horizontal line. If a third point falls back to this line and then rebounds, that confirms it as a genuine support line. The next time the price drops near this support, that’s your buying opportunity.

However, there’s a trap—many people only grasp the theory and then buy, only to get trapped again. Besides candlestick support, moving averages also act as support, but the principle is the same. The key is paying attention to details, which can improve your win rate.

Support and resistance levels are core concepts in technical analysis. Support is where the price might stop falling, and resistance is where it might face selling pressure when rising. There are several ways to identify these levels: previous highs and lows, key round numbers, trend lines, moving averages, and order book distribution. Especially in areas with high trading volume, strong support points often form.

In practice, buying near support levels often results in the price being supported and rebounding. Selling near resistance levels can lead to the price encountering resistance and falling back. Breakouts of support or resistance often signal trend reversals or continuations, which are crucial for trading decisions.

But remember, support and resistance points are not fixed—they change roles as market conditions evolve. Their effectiveness depends on combining market trends, volume, investor psychology, and other factors. In actual trading, it’s best to use these tools alongside other technical indicators and fundamental analysis to improve decision accuracy.

Mastering how to identify and apply support points is vital for developing trading strategies and seizing market opportunities. Through continuous practice and reflection, you’ll become better at using these key levels for effective risk management. If interested, you can follow the technical performance of related assets on Gate.