Upbit weekly volume drops 15% as South Korean crypto activity slows, XRP overtakes Bitcoin and USDT

Upbit, South Korea's largest crypto exchange, reported a 15.5% weekly volume drop to 8.35 trillion won (~$6.28 billion) for the week ending October 18, 2026. Despite the overall cooling, XRP outpaced Bitcoin and USDT to become the week's most-traded asset, reflecting a shift in Korean retail trading patterns.