Someone recently asked me, why does Bitcoin fluctuate so much? Indeed, from over a year ago when it rose from $15,000 to over $73,000, the magnitude of this increase is truly astonishing. But just as astonishing is how quickly it can fall. To understand the logic behind this, it’s actually not difficult.

First, it’s important to understand the changes on the supply side. Bitcoin’s total supply is fixed at 21 million coins, which is the core reason for its scarcity. In the past few years, 900 coins entered the market daily, but since mid-last year, the halving mechanism was activated, reducing this to only 450 coins per day. As supply decreases and demand increases, this is the fundamental logic behind the rapid rise of cryptocurrencies.

Demand has also undergone significant changes. Early last year, a large number of Bitcoin ETFs suddenly appeared in the market, opening the door to traditional finance. Institutional investors entered the scene, and retail investors found it easier to participate, boosting overall market liquidity and confidence. This is not just a technical issue but also a psychological one — people suddenly felt that this asset was “legitimate.”

But this is also the other side of the coin for cryptocurrency declines. When market sentiment reverses, these new inflows of capital are the first to withdraw. Changes in policy direction, poor economic data, or a major institution reducing holdings can cause prices to plummet rapidly. During optimistic periods, those who entered the market are most likely to panic-sell when fear sets in.

From a macro perspective, Bitcoin’s price actually reflects the global attitude toward risk assets. When the economy is unstable, some see it as a safe haven and buy; when the economy is doing well, others sell it as a high-risk speculative asset. Government policies, interest rate adjustments, and even geopolitical tensions all influence these expectations.

There’s also an often-overlooked factor — mining dynamics. Changes in hash power, rising or falling mining costs, all influence miners’ behavior and thus affect market supply. When miners shut down en masse, the market lacks fresh coins, but this also means mining profits decline, which might lead some to sell their holdings.

Honestly, Bitcoin’s rise and fall do not follow a fixed formula. It is influenced by multiple factors including supply and demand, policies, sentiment, technology, macro environment, and capital flows. Sometimes these factors work together to push prices higher; other times, they oppose each other. This complexity itself is a characteristic of the cryptocurrency market — high uncertainty.

So if you want to participate in this market, the most important thing is not to predict short-term rises or falls, but to understand these variables and stay alert. Market sentiment can change rapidly; the bullish consensus today might reverse tomorrow. When trading on platforms like Gate, you must understand the risks you’re taking, avoid being scared by short-term volatility, and not rush in out of greed for gains. Bitcoin’s story is not over, but behind every wave of rise and fall, there is logic — the key is whether you can see it clearly.