[The total scale of Science and Technology Innovation Board ETFs is nearly 340 billion yuan, accounting for more than 20% of the Shanghai stock ETFs] October 30th, as of October 29, a total of 134 Science and Technology Innovation Board ETFs were listed for trading, with a total scale of nearly 340 billion yuan, accounting for 21% of the total scale of Shanghai stock ETFs, an increase of more than 10 percentage points from the end of 2025. Against the background of the market correction, the Science and Technology Innovation Board ETFs have accumulated net inflows of nearly 50 billion yuan in the past three weeks, showing a clear left-hand pattern of "the more they fall, the more they buy". Among them, the net inflow of Science and Technology Innovation 50-related ETFs exceeded 38 billion yuan.