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股小白 : Why is the cost negative?

buzz bull OP : Dilute costs. Let's say 8 yuan buys 2 shares and 16 yuan sells 1 share. The remaining diluted share costs 0.

误入华尔街的羊 : May I ask, I have also set the diluted cost price, but the system did not dilute the price, where did you set it?

buzz bull OP 误入华尔街的羊 : Just like this.

误入华尔街的羊 : This is how I see it, but the profits from selling have not been factored into the stock price.

buzz bull OP : Change it to average cost and see if it is different. Its algorithm may be different from what you expect.

误入华尔街的羊 buzz bull OP : I was originally using the average cost price, it's okay, maybe it will change back in a couple of days, thank you.