I just noticed that the concepts of supply and demand remain the fundamental mechanism controlling the movement of asset prices across all types—whether stocks, energy, gold, or even digital assets. Despite increasingly complex global situations, this principle still holds true.

The meaning of supply and demand is not as complicated as it appears in textbooks; it’s simply the desire to buy and the desire to sell. When we set prices on a chart, we see the demand line showing the quantity buyers want at different price levels, and the supply line showing the quantity sellers are willing to offer.

What’s interesting is that when prices change, there are two effects. The first is the income effect—when prices fall, buyers feel they have more money left and are more willing to purchase. The second is the substitution effect—when prices fall, buyers tend to choose this product over other products with higher prices. These two factors together create an inverse relationship between price and demand quantity.

Conversely, supply has a direct relationship with price—when prices rise, sellers are more willing to put their goods on the market because profits increase. However, the meaning of supply and demand in financial markets is more complex because it is influenced by macroeconomic factors, liquidity in the financial system, and investor confidence.

When these two lines intersect, we find the equilibrium point, which is where prices tend to stay because if prices go higher, sellers will supply more, leading to excess supply, which pressures prices downward. Conversely, if prices fall below, buyers will want to purchase more, leading to a shortage, which pushes prices upward.

In actual investing, the concepts of supply and demand can be applied to both fundamental and technical analysis. For fundamental analysis, we need to understand that stock price movements are driven by earnings forecasts and company growth. When good news comes out, buyers are willing to pay higher prices, while sellers hold back, causing prices to rise.

For technical analysis, various tools can be used, such as candlestick patterns. A green candle (closing higher than opening) indicates buying strength, while a red candle (closing lower than opening) indicates selling strength. Support and resistance levels are also important—support is where buying interest is waiting, and resistance is where selling interest is waiting.

The Demand Supply Zone technique is quite popular, where traders look for points where prices move rapidly up or down and then pause within a range. When the price breaks out of that range, it often continues in the same direction, allowing traders to enter trades at the breakout point.

What’s important to remember is that the meaning of supply and demand is not just a theory but a reflection of human psychology in the market. When someone is afraid, they sell, increasing supply. When someone is excited about an opportunity, they buy, increasing demand. Understanding these changes can help you invest more wisely.