At 2 a.m., a friend from Zhejiang called, voice trembling: "Bro, I went all-in with 10,000 U and used 30x leverage, and it only dropped 3% before it blew up?" Looking at his trading record—9500 U all-in, no stop-loss set. Is this trading? Clearly, it's gambling with your life.

I've seen this too many times. Many people think that going all-in is a safe mode, but if used incorrectly, you'll die even faster than with isolated positions. Liquidation isn't really about the scary leverage multiple; the real danger is the size of the position. With a principal of 10,000 U, if you put in 9,500 U at once, a slight price fluctuation can wipe you out. But what if you only open with 1,000 U? The price would have to drop 50% to liquidate. The difference is huge—calculate it yourself.

I personally doubled my account in half a year by going all-in, never getting liquidated, relying on a few strict rules:

**Rule 1: Never risk more than 20% of total funds on a single position.** For a 10,000 U account, invest at most 2,000 U at once. Even if the stop-loss is hit, a 10% loss is only 200 U, which won't hurt the account much. Many people appear to be all-in, but in reality, they control their positions tightly. That’s the real way to play.

**Rule 2: Single loss should not exceed 3% of total funds.** For example, if using 2,000 U with 10x leverage, I set the stop-loss at 1.5%, so a loss would be exactly 300 U, hitting the 3% line of the total funds. Even if you hit stop-loss several times, the account can withstand it and won't revert to zero.

**Rule 3: Don't trade in choppy markets, and don't add positions after profits.** I only trade at clear breakout points in trending markets. I can resist even tempting sideways consolidations. If the price surges after opening, I hold back on adding more. Rhythm and discipline are more important than anything.

Many misunderstand what "going all-in" means. It’s not about putting all your money in at once—that's gambling. The true meaning of going all-in is to give yourself room for error—by managing position sizes correctly, even consecutive losses won't wipe you out.

A friend of mine used to blow up his account every month, so I advised him to follow these three rules. After three months, he grew from 5,000 U to 8,000 U. He said, "I used to think going all-in was just gambling with money, but now I realize—if you use it right, going all-in actually helps you stay safer."

In this market, survival is always the most important. Only by staying alive can you make money. Quick profits come at too high a cost. Stop guessing the market direction, focus on controlling your positions, and slow and steady will get you further.

If you can't keep your fingers in check, these rules are here—whether you follow them or not is up to you.