It is to display the actual multi-empty trading data of each of the more than 300,000 customers of each TREX trade trading product in strips and different colors. The green representative is more, the red is empty, and the green is more red than the red. Representing our customer base, the ratio of buying more products is higher than buying. On the contrary, when the proportion of red is more, it means that our customers are buying more than the purchase price.