Ever wondered what is PNL when you're trading crypto? Let me break it down in a way that actually makes sense.

So you bought 0.1 BTC at $40,000, which cost you $4,000. Then the price pumped and you sold it at $42,000, pocketing $4,200. After fees, you walked away with about $198 profit. That $198? That's your PNL right there.

PNL stands for Profit and Loss. It's basically the difference between your entry price and exit price, multiplied by how much you actually bought, minus whatever fees the exchange took. The formula is pretty straightforward: Selling Price minus Buying Price times your position size, then subtract fees. Simple math, but it tells you everything about whether your trade worked or not.

Here's the thing about what is PNL though—it comes in different flavors. There's unrealized PNL, which is the profit or loss you're sitting on while your position is still open. Then there's realized PNL, the actual gains or losses you locked in after you closed the trade. These matter because unrealized can flip in seconds if the market moves.

Positive PNL means you crushed it, the trade printed money. Negative PNL? Yeah, that's the opposite—you took an L. And if your PNL keeps swinging wildly, that's volatile PNL, usually because the asset is moving hard in both directions.

Think of it like this: you bought coffee for 50 bucks and sold it an hour later for 70. Your PNL is plus 20. Sell it for 40 instead? Your PNL is minus 10. On crypto exchanges, it's the exact same logic, just with way bigger numbers and everything moving at light speed.

The size of your PNL also depends on how much leverage you're using. More leverage means bigger swings in your PNL, both up and down. That's why understanding what is PNL and how leverage affects it is crucial before you start playing with borrowed money.

Bottom line: PNL is your trading report card. It shows you whether you made or lost money on any given trade, and that's the only number that actually matters when you're trying to figure out if you're a profitable trader or not.