Six thousand yuan turned into three million? Sounds unbelievable, but essentially it boils down to four words—using a system to fight luck. I've done it before, and the core secret boils down to two points: protect the principal, then let profits grow on their own.

First, let's discuss the most important underlying logic. Don't interpret rolling positions as gambling. The real strategy is: when the first profit reaches 50%, withdraw the principal immediately. How to play afterward? Only use the earned money to roll. Every time profits double, lock in half, and continue to grow the other half. This way, even if there's a loss later, you won't lose the principal, and the risk is tightly controlled.

How exactly to operate? There are three scenarios.

**What to do when a trending market appears**
Wait for the weekly chart to break through—this is the signal. Use 3 to 5x leverage; after earning 50%, add 20% to your position each time a key resistance level is broken. But there's a strict rule: once the price falls below the previous high, you must exit completely. Don't bet on a rebound.

**How to handle sideways consolidation**
When Bollinger Bands tighten, that's an opportunity. Use 3x leverage; sell a bit at high levels, buy a bit at low levels. Once you earn 20%, immediately reduce your position by half. If the price breaks out of the trading range, forget it—liquidate everything.

**How to respond to sudden crashes**
A daily drop of ≥15% is considered panic selling. At this point, add 10% to your position every 5% drop, but never exceed 30% total position. As long as there's a 10% rebound afterward, cut your position in half and exit. Greed kills.

**A few pitfalls to avoid**
Don't think that floating profits of millions mean you are invincible—profits on paper are not yet secured. When losing money, don't blindly add to your position—that's a big taboo. Develop the habit of keeping a trading journal; review is crucial.

The final survival philosophy: the principal always comes first. Only act within your planned opportunities. Keep leverage between 2 to 3 times normally. Before each trade, write down the conditions clearly; afterward, review thoroughly.

In simple terms, rolling positions is a probability game. It can amplify gains, but also amplify losses. You're not trying to create miracles, but to let discipline and systems work for you. The longer you survive, the greater your chances of winning.