Shanghai Environment and Energy Exchange data shows that on September 18, the national carbon market composite price performance was as follows: opening price 95.00 yuan/ton, highest price 96.00 yuan/ton, lowest price 95.00 yuan/ton, closing price 95.63 yuan/ton, with the closing price down 0.27% from the previous day. Today's listed agreement trading volume was 481,043 tons, with a turnover of 46.00 million yuan ($6.81 million); block agreement trading volume was 400,000 tons, with a turnover of 38.13 million yuan; there was no one-way bidding today. The total volume of carbon emission allowances traded in the national carbon emissions trading market today was 881,043 tons, with a total turnover of 84.13 million yuan.