Taiwan Securities Transaction Tax Revenue Tops NT$80 Billion for First Time in Record June

Taiwan’s securities transaction tax is a key gauge of market activity. Amid the rapid growth of artificial intelligence in recent years, chipmakers and AI-related stocks have become a focus for capital in Taiwan’s equity market. Diverging views on AI capital expenditure and the outlook for the chip supply chain have fueled sharp swings in those shares. The volatility has prompted frequent trading and a surge in intraday round-trip transactions, driving up market turnover and providing a key boost to government revenue.

The Ministry of Finance’s latest data showed that total national tax revenue and securities transaction tax revenue both reached record monthly highs in June 2026. Net securities transaction tax collections exceeded NT$80 billion for the first time, reaching NT$84.9 billion, a sharp 2.8-fold increase from a year earlier. The record was driven mainly by steep swings in AI-related stocks and selling pressure on chip shares in June, which fueled broad market volatility and a historic trading boom.