I’ve been observing for a while how most traders ignore something fundamental: the CPI, which stands for Índice de Precios al Consumidor, is probably the macroeconomic indicator that moves the crypto market the most. It’s not an exaggeration. Every month when these numbers are released, I see massive liquidations or unexpected rallies that could have been anticipated.

Let’s see what’s really going on here. The CPI measures how the prices of a basic basket of goods and services change over time. We’re talking about food, energy, housing, transportation, education. It’s the main thermometer for detecting inflation in the economy. When these prices go up, your money is worth less. That’s it—simple as that.

But here’s what’s interesting for us in crypto. The CPI, which means more than just a dry statistic, is actually the compass that guides the Reserva Federal. And when the Fed moves, everything moves. A high CPI pushes the Fed toward higher interest rates, which strengthens the U.S. dollar and drains liquidity from risky assets like Bitcoin and the altcoins. I’ve seen 5–10% drops in minutes after a surprisingly high inflation number comes out.

The mechanics are clear. When the CPI turns out to be lower than expected, traders breathe a sigh of relief, risk appetite returns, and the crypto market tends to bounce strongly. When it exceeds forecasts, panic takes control. Selling becomes widespread across all markets.

Now, if you want to read these data like a professional, there are three numbers that matter. The current value shows what actually happened. The forecast is what the market expected. And the previous value gives you context. The real price movement comes from the difference between what happened and what was expected, not from the absolute number.

There are variations I monitor constantly. The CPI interanual is the most widely reported figure because it compares to the same month of the previous year. The CPI mensual captures faster changes in inflation. And the core CPI—the one that excludes foods and energy—is what central banks use to see true inflation, without noise.

Here’s something critical: in the United States, the CPI is typically published between the 10th and the 15th of each month at 8:30 AM Eastern Time. That moment is pure chaos in crypto. I’ve seen spikes of extreme volatility, especially in leveraged positions. Some traders close positions minutes before, while others wait for the jump. Personally, I prefer to stay out of the market during that time.

What most people don’t understand is that the CPI isn’t just a number. It controls global monetary policy, determines investor sentiment, and defines how much liquidity is available. If you understand how the CPI matters for your investments, combined with solid technical analysis, you get a far more complete view of the market. It doesn’t eliminate risk, but it lets you manage it intelligently. That’s what separates traders who survive from those who get burned.