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New 0.05 pct transaction tax to be introduced for KOSPI trading in 2026
Yonhap | English | News | Dec. 2, 2025 | Regulation
Starting January 1, 2026, a new 0.05 percent transaction tax will be applied to trades on the KOSPI stock market, according to the South Korean finance ministry. This marks the first time the KOSPI, the country's benchmark market, will be subject to a transaction tax, which previously stood at zero percent. The existing 0.15 percent agricultural and fishery village special tax on KOSPI transactions will remain unchanged.
At the same time, transaction tax rates for the smaller KOSDAQ market and the K-OTC platform, which features unlisted companies, will increase from 0.15 percent to 0.2 percent. These tax adjustments were approved in a revised tax law passed in July and will become effective at the start of 2026.