South Korea reviews crypto market-making rules after stablecoin JPYC price spike on Upbit. - Pluang

South Korea's financial authorities are reviewing crypto market-making rules after a sharp price spike in the Japanese yen stablecoin JPYC on the Upbit exchange. The review follows concerns that existing market-making arrangements may not adequately address sudden price dislocations in less liquid tokens.

Market-making typically involves firms continuously quoting buy and sell prices to keep trading orderly. When that liquidity is thin or unevenly distributed, a single large order can move a price sharply, as appears to have happened with JPYC on Upbit. For traders, the episode is a reminder that stablecoin prices are not guaranteed to hold their peg on every venue, particularly for smaller or regionally focused tokens.

What to watch: whether South Korean regulators propose stricter disclosure or conduct requirements for market makers, and whether exchanges adjust their own surveillance and listing standards. Any rule changes could affect how liquidity is provided across Korean trading venues, though the scope and timing remain unclear.