If you have 1 million yuan, it first drops 50%, then rises 50%, how much is left?

The answer is 750,000 yuan.

If you have 1 million yuan, it first rises 50%, then falls 50%, how much is left?

The answer is still 750,000 yuan.

Why can you still lose 250,000 yuan with the same rise and fall?

The only thing that remains unchanged is the number of coins you bought with 1 million yuan, and the money disappears in this rise and fall!