South Korea Crypto Trading Falls to 8% of KOSPI Turnover as Local Demand Weakens
Won-denominated virtual asset trading dropped 71% from August 2025 to May 2026, while South Korea’s KOSPI stock index rose 243%, pointing to a sharp shift in domestic market activity.
All four located sources independently report the same figures: a 71% drop in won-denominated crypto trading volume and a 243% rise in KOSPI turnover from August 2025 to May 2026, with the ratio collapsing to 8%. The Digital Asset Korean article appears to be the primary source, with PANews, CoinPost, and crypto.news providing consistent corroboration in three other languages.
South Korea’s virtual asset market has lost relative momentum against the country’s stock market, with crypto trading volume falling to 8% of turnover on the KOSPI (South Korea’s main stock index). The source says won-denominated crypto volume declined 71% between August 2025 and May 2026, while KOSPI turnover surged 243% over the same period. It also notes that the Bitcoin Korea premium index, a measure comparing local Bitcoin prices with overseas markets, has stayed negative since March, indicating weaker buying pressure from South Korean investors.
- Bitcoin Korea premium index: A measure of whether Bitcoin trades above or below global prices in South Korea, often used to gauge local retail demand.
- KOSPI: South Korea’s main stock index, widely used as a benchmark for activity and performance in the domestic equity market.
- Won-denominated trading volume: Crypto trading activity measured in South Korean won, showing the scale of local market participation.