Leverage is the most misunderstood word in trading, and the most dangerous one to misunderstand. The idea itself is simple: you put down a small amount of money and control a position several times larger. What people miss is that everything about the position, the gains and the losses, scales by the same multiple.
This guide walks through the math in plain words, shows how leverage decides your liquidation price, and explains the boring habits that keep leveraged traders alive.
A worked example in words
Say you have $100 of margin, which is the money you post to back a position. At 5x leverage, that $100 controls a $500 position. That is all 5x means: position size divided by margin equals five.
Now watch a price move. If the market rises 2 percent, your $500 position gains $10. Against your $100 of margin, that is a 10 percent gain from a 2 percent move. This is why leverage feels like magic on a good day.
The double edge
The same math runs in reverse, at the same speed. If the market falls 2 percent, the position loses $10, which is 10 percent of your margin gone from a 2 percent move. At 5x, a 20 percent drop against you wipes out the margin entirely. At 10x, a 10 percent drop does. At 20x, five percent.
Notice the asymmetry hiding inside those numbers. The market does not need to crash for a leveraged position to die. Ordinary weekly volatility is enough at high multiples. Leverage does not change the market. It changes how much of the market you can survive.
Leverage and your liquidation price
When your margin is nearly gone, the position is closed automatically. That is liquidation, and the price where it happens is your liquidation price. Higher leverage puts the liquidation price closer to your entry. Lower leverage pushes it further away. The full mechanics are in what is liquidation.
This is why Based shows you the liquidation price before you open a position, not after. That number tells you exactly how wrong the market can go before the position is gone, and it is the single most useful number on the screen when leverage is involved. Adjust the leverage and watch the number move. That moving number is the whole trade-off, made visible.
Using leverage sensibly
The habits are boring and they work. Use low leverage or none. A position at 1x or 2x behaves close to simply holding the asset, with room for a bad week. Size positions so that a liquidation would be annoying, not ruinous. And remember that leverage is optional. Nobody checks whether you should be using it. You are the risk department.
For the wider picture of the instrument itself, including funding fees, margin and why these markets track prices, read the perpetual futures guide. Perps are derivatives: no dividends, no voting rights, liquidation risk, and funding fees while positions are open.