The core of position management is controlling risk and leaving room for flexibility.

Limit the risk of each trade to 1%-2% of your total capital to avoid putting all your funds on the line.

In a trending market, you can use a pyramid-style position increase (start with a small position to test the waters, then gradually add more). In a ranging market, it's safer to keep your position at 30%-50%.

For position allocation: major coins should account for 60%-70% (as ballast), potential coins 20%-30%, and speculative coins no more than 10%.

Remember to set stop-loss orders. When the market is uncertain, keep your position light or stay out of the market, and reserve some funds for unexpected situations.