9月4日全国碳市场综合价格收盘价67.95元／吨，较前一日下跌1.18%

Core Points - The national carbon market opened at a price of 68.58 yuan per ton, with a closing price of 67.95 yuan per ton, reflecting a decrease of 1.18% from the previous day [1][2] - The total trading volume of carbon emission allowances today was 2,727,076 tons, with a total transaction value of approximately 180.87 million yuan [3] - Cumulative trading volume in the national carbon market as of September 4, 2025, reached 703,568,362 tons, with a total transaction value of approximately 48.34 billion yuan [5] Trading Data - Today's trading included 725,566 tons in listed agreement transactions, amounting to approximately 48.94 million yuan, and 2,001,510 tons in bulk agreement transactions, totaling approximately 131.93 million yuan [2] - The highest price recorded today was 68.68 yuan per ton, while the lowest was 67.45 yuan per ton [1][2] - The trading volume for the carbon emission allowances from January 1 to September 4, 2025, was 73,299,698 tons, with a total transaction value of approximately 5.30 billion yuan [4]