Many people encounter this issue when trading POL contracts—why can't I lower the leverage on my isolated margin account? There's actually a simple mathematical logic behind this.

Let's illustrate with a real-life example. Suppose you have only 1000 dollars in your pocket and want to make a trade. Using 10x leverage means borrowing 9000 dollars from a friend, plus your own 1000 dollars, for a total of 10,000 dollars to trade.

Now, here's the problem—if you want to reduce this leverage to 5x. It sounds reasonable, but what does that actually mean? For the same 10,000-dollar trade, using only 5x leverage, you would need to cover 2000 dollars yourself. The issue is, you don't have 2000 dollars in your pocket—only 1000 dollars.

The platform's logic is clear: in isolated margin mode, each position is like a separate small account. To lower leverage, you need to deposit more of your own funds. Not enough money? Then it's impossible— the system will directly reject your adjustment request.

So, the underlying principle is: isolated margin equals account independence. The lower the leverage, the more principal you need. If your funds are insufficient, you can't perform the adjustment. If you really want to change the leverage, you need to deposit more money into your account to meet the margin requirements for the lower leverage.