China collected $32.3B of stamp duty on stock sales between January and August, up 80%+ YoY, as average daily trading value rose 72%, amid an AI trading frenzy

The total revenue collected from China's stock market stamp duty has increased by 82% year-on-year, indicating higher trading volumes and potential market activity.

China's Ministry of Finance reported that stamp duty revenue from stock sales reached $32.3 billion between January and August, an 82% year-on-year increase. This surge in tax collection was driven by a 72% rise in average daily trading values on mainland Chinese stock markets, fueled by investor enthusiasm for artificial intelligence and technology stocks. The Star Market 50 Index, heavily weighted with chip companies, saw a 23% gain during this period, despite the broader CSI 300 Index remaining flat. Daily trading volume averaged 2.67 trillion yuan. However, August showed a moderation in growth, with an 18% year-on-year increase in stamp duty revenue, marking the slowest growth this year, influenced by a global AI trade downturn and rising interest rates from central banks like the US Federal Reserve and the Bank of Japan. In response, the China Securities Regulatory Commission announced measures to reward whistle-blowers to enhance market integrity.

The substantial increase in China's stamp duty revenue signals a period of heightened trading activity, primarily driven by speculative interest in AI and technology sectors. While the benchmark index remained stagnant, the concentration of trading in specific growth areas like the Star Market 50 Index highlights a market driven by thematic investments rather than broad economic fundamentals. This trend suggests a robust, albeit potentially volatile, environment for tech-focused equities on Chinese exchanges.

The recent slowdown in stamp duty revenue growth, coupled with global monetary tightening, indicates a potential cooling of speculative fervor and increased market caution. Beijing's efforts to boost sentiment through regulatory actions like incentivizing whistle-blowers may be a precursor to further policy adjustments aimed at stabilizing the market, especially as economic headwinds and rising global bond yields create a more challenging investment landscape.