Mobile phones keep receiving traders' help messages, and the sense of urgency can be felt even through the screen: "Put 5000U full position with 10x leverage to go long, only a 3% pullback and the account is gone! What exactly is going on?"

After checking the trading records, I understood — all 4750U in the account was invested, with no stop-loss set. This is the most common fatal mistake in the derivatives market. Many people are confused by the term "full position," thinking that running out of funds means going all out, but in reality, the real culprit for full-position爆仓 isn't the leverage multiple.

**Why is full position so prone to爆仓? Position size is the key**

A comparison with real trading data makes this very clear. Using the same 1200 USDT for futures trading, holding 21 positions with a 57% win rate can steadily generate a monthly profit of 860 USDT. But changing the position allocation results in two completely different outcomes:

Suppose the principal is 5000U. Using 4500U to open a 10x leverage (90% of the principal), even a 5% adverse move will wipe out the account funds. Conversely, using only 500U to open the same 10x leverage (10% of the principal), it would take a 50% adverse move to trigger爆仓.

The trader seeking help put 95% of the principal in at once, amplifying risk with 10x leverage, and was forced to close out after just one pullback. This isn't a leverage problem; it's a position management issue.

**Living is more important than quick profit. Three iron rules to avoid爆仓**

Over the past six months, the secret to avoiding爆仓 and doubling the account can be summarized into three rules:

**Rule 1: Keep single position within 20% of total funds**

For a 5000U account, invest no more than 1000U per trade. Even if you misjudge the direction and stop-loss at 10%, only 100U is lost, and the core capital remains intact. Even with a 50U principal in a certain coin contract, you can steadily earn about 98 USDT, always having a chance to turn things around.

**Rule 2: Set stop-loss at 3% of total funds per trade**

Using 1000U with 10x leverage, place a stop-loss at 1.5% beforehand, risking only 150U out of 300U, which is 3% of the total funds. Even if you make several wrong calls, the account won't suffer serious damage.

**Rule 3: Don't open positions in sideways markets, and don't add after profits**

Only trade clear trend breakout opportunities. Even if the market consolidates, resist the temptation. Once you open a position, strictly follow your plan and never add more just because the trend continues. Emotional trading accelerates account shrinkage.

**The purpose of the full position mechanism is risk buffering, not gambling**

The original intention of the full position design in derivatives markets is to leave enough room for price fluctuations. But this mechanism is only effective under one premise: light position size for error correction combined with strict risk control.

A trader once爆仓 every month, but after following these three rules for three months, his account grew from 6000U to 12000U, doubling. Others started with 3000U and, through prudent position management, reached nearly 20,000U. Their common feeling is: "I used to think full position was gambling for my life, but now I realize, full position is for more stable living."

The essence of crypto trading is never about who makes money faster, but about who can survive longer. Spend less time predicting market direction, and more on managing your positions. It may seem slow, but steady and solid progress is actually the fastest way.

The market will always come, opportunities won't disappear. As long as you master proper position sizing and risk control, you won't be knocked out by market volatility.