Data from the National Greenhouse Gas Voluntary Emission Reduction Trading System shows that on September 23, the trading volume of certified voluntary emission reductions was 122 tonnes, with a turnover of 10,497.10 yuan ($1,556), and an average trading price of 86.04 yuan/tonne. As of September 23, 2026, the cumulative trading volume of the national greenhouse gas voluntary emission reduction trading market was 23.29 million tonnes, with a cumulative turnover of 1.88 billion yuan.