I've been noticing that many people talk about M2 without really understanding what M2 is. So here is my attempt to explain it clearly.

Basically, M2 is the total amount of money circulating in the economy. But it’s not just the cash you see in your wallet. It includes your money in checking accounts, savings accounts, certificates of deposit, and money market funds. Everything that can be quickly converted into spendable money.

To better understand what M2 is, think of it this way: M1 is the most liquid (cash and checking accounts), and M2 adds everything else you don’t use as often but can access quickly if needed. This includes savings accounts, time deposits, and money market funds.

The U.S. Federal Reserve constantly monitors this because M2 is a key indicator of how much money is actually available for people to spend and invest.

Now, why does it matter? If M2 grows a lot, there’s more money floating around. People spend more, borrow more, invest more. Sounds good, but here’s the interesting part: if M2’s growth is faster than what the economy can produce, prices go up. Inflation. It’s almost inevitable.

On the other hand, if M2 slows down or decreases, people spend less. Companies earn less. Unemployment rises. The economy cools down.

Several factors influence M2. Central banks can lower interest rates, making borrowing cheaper and encouraging more debt, which increases M2. The government can also inject money through stimulus measures or increase public spending. And obviously, how much banks lend out directly affects M2.

The relationship between M2 and inflation is almost mathematical. More money available than goods and services = higher prices. That’s why central banks adjust interest rates based on how M2 moves.

Now, if you’re an investor in crypto or stocks, this directly affects you. During COVID, the U.S. government flooded the market with money, the Federal Reserve cut rates to the floor, and M2 grew almost 27% in 2021. It was a record. Result? Crypto prices, stocks, everything shot up like crazy. It was cheap money looking for returns.

But when the Federal Reserve started raising rates in 2022 to curb inflation, M2 slowed down and even turned negative. Investors started pulling out of risky assets like crypto. Prices fell.

That’s what happens with M2: when it grows, money flows into riskier assets seeking better returns. When it contracts, money retreats to safety. And cryptocurrencies are among the first to suffer when M2 tightens.

So if you want to understand where the markets are headed, following what M2 is and how it moves is fundamental. It’s not perfect, but it’s one of the best indicators we have to anticipate economic shifts and market movements. Central banks and governments use it to make decisions on interest rates and taxes, and investors follow it to know whether it’s time to increase or reduce exposure.