#美国贸易赤字扩大 Many traders feel nervous at the mere mention of "contracts," always thinking that these are complex and prone to sudden liquidation.

Actually, that's not the case. The logic behind contracts isn't that mysterious; breaking it down makes it quite clear. Today, I'll demonstrate the math behind leverage configuration using two practical scenarios.

Suppose you want to open a position of 1,000 USDT, and there are two options:

**Option A: 100U margin × 10x leverage**
**Option B: 50U margin × 20x leverage**

Both result in a 1,000U position on the surface, but the risks are entirely different.

Let's first look at profit and loss sensitivity. A 1% market move results in a floating gain or loss of ±10U in Option A, which is 10% of the margin; in Option B, it's directly ±20U, consuming 40% of the margin. And this is just a 1% fluctuation.

Now, consider the liquidation point — this is the key:

- Option A requires a 10% drop to be liquidated (100 ÷ 1,000)
- Option B only needs a 5% drop to be wiped out (50 ÷ 1,000)

So, from a single-position risk perspective, Option A is clearly more resilient.

But there's a practical issue: if you only have 1,000U in capital and want to allocate across popular coins like $RIVER and $ETH, what should you do?

With Option A, a single position of 100U allows you to cover up to 10 different coins.
With Option B, a 50U position can open 20 different coins simultaneously.

**The key question is**: which one to choose?

If you are confident in your market judgment and want to participate in as many different coins as possible, the higher leverage of Option B becomes an advantage — risk is spread across more positions. But this requires a very disciplined mindset and strict stop-loss rules because the tolerance for errors is very small.

On the other hand, if you're still gaining trading experience, a low-leverage, high-margin setup like Option A provides more room for trial and error and psychological buffer.

**In simple terms**: leverage isn't better the higher it is, nor is it safer the lower it is. The key is matching it to your own skill level and capital plan. Those who last longer in the crypto space always prioritize survival first, then seek to win.