Recently, many people have been discussing QT policies, but it seems that many still don't understand what it really means. Actually, the meaning of QT, to put it simply, is that the central bank is collecting money, which is completely opposite to the previous quantitative easing (QE).

Previously, the central bank was aggressively buying bonds and assets to stimulate the economy, injecting liquidity into the market. But when the economy starts to recover and inflation begins to emerge, the central bank has to reverse course—stop purchasing, let assets mature, or even actively sell assets. This process is called quantitative tightening, simply put, the central bank is "shrinking its balance sheet."

What is the most direct impact on us? Rising interest rates. When the central bank reduces liquidity, the cost of borrowing increases accordingly. Corporate borrowing costs go up, and consumer mortgage and car loan rates also become more expensive. As a result, everyone's desire to spend naturally decreases, and economic growth slows down.

Financial markets are especially sensitive to this change. Bond yields will rise, which is not good news for the stock market—because higher interest rates mean corporate profits are squeezed, and investors tend to prefer safer assets like bonds. Stock prices face dual pressure—on one side, valuation declines due to rising interest rates; on the other, capital flows out of stocks into bonds.

The impact on the cryptocurrency market is even more obvious. When the central bank tightens liquidity, the amount of money available for investment decreases. Cryptocurrencies are inherently risk assets, and under QT policies, they are more likely to be sold off. Many investors will shift their money from high-risk assets like Bitcoin and Ethereum to safer options like bonds and savings. The liquidity drought combined with a market sentiment shift toward conservatism makes cryptocurrency price volatility quite intense, usually downward.

Regarding the actual operations of QT, the central bank mainly employs these measures: stop buying new bonds, let existing assets mature without reinvestment, and sometimes even directly sell assets. Another method is adjusting the interest rate on bank reserves to encourage commercial banks to prefer holding money at the central bank rather than lending it out.

This process poses a significant test for market stability. During the transition from easing to tightening, market volatility will increase noticeably. Investors, adapting to the new monetary environment, often make aggressive portfolio adjustments, leading to large swings in asset prices. The central bank needs to communicate and implement policies very carefully; otherwise, it can easily trigger market panic.

In summary, although quantitative tightening is a necessary measure for the central bank to control inflation, it indeed puts considerable pressure on the economy and markets in the short term. Especially for assets like cryptocurrencies, which are highly sensitive to liquidity and risk appetite, the impact of QT policies is often more intense than in traditional financial markets. That’s why we always see significant adjustments in the crypto markets when central banks start tightening.