I'm going to explain something that everyone operating in crypto needs to understand well: what is PNL in finance. It's simpler than it seems, I promise you.

Imagine you buy a coffee for 50 pesos and sell it later for 70. You earned 20, right? That is exactly your PNL. The stock market works the same way, only instead of coffees, we move Bitcoin, Ethereum, or whatever, and the numbers change every second.

PNL comes from Profit and Loss. It’s basically your financial thermometer. It tells you if you made or lost money on a specific trade. The formula is almost common sense: Sale price minus purchase price, that’s your PNL. If the result is positive, you’re in the green. If it’s negative, well, you’re in the red.

Let me give you a real example. Say you bought 0.1 BTC at $40,000. You spent $4,000. Then you sold that Bitcoin at $42,000, so you received $4,200. Your gross profit was $200. But wait, the exchange charges a fee, so after that, your actual PNL was approximately $198. That’s what PNL in finance looks like in practice.

Now, there’s an important difference that not everyone notices. There is unrealized PNL, which is when your position is still open. Let’s say you still hold that Bitcoin and it went up to $45,000. Technically, you gained $5,000, but you haven’t closed the trade, so it’s money you see on the screen but that’s not yours yet. That’s unrealized PNL. Once you sell and close the position, it becomes realized PNL. It’s the difference between what you see in the app and what you actually have in your wallet.

Some people confuse PNL with ROI, but they’re not the same. ROI is the percentage return on your investment. If you invested $1,000 and gained $200, your PNL is $200, but your ROI is 20%. They are related metrics but different.

What you need to understand is that leverage greatly affects your PNL. If you trade with margin or leverage, your gains can multiply, but so can your losses. A small price movement can cause drastic changes in your PNL when you use leverage. That’s why many novice traders lose quickly: they underestimate how leverage amplifies everything.

In summary, what is PNL in finance? It’s simple: it’s the difference between what you spent and what you received, minus commissions. When you understand how it works, you’ll make better decisions in your trades. It’s not just a number on the screen; it’s your financial reality in that position.