In futures, yesterday's settlement price is the yellow moving average in the time-sharing chart, so why is there always a small error between the average closing price and the settlement price?
The yellow average price line on the time-sharing chart is calculated by software in real time, but some trading software does not accept it, so it is slightly different from the exchange. The final settlement price is issued by the exchange and is the most accurate. So there will be mistakes you see.
These are subtle mistakes, nothing, just know;