The volume of short-term “floating” capital in Korea is set to surpass 1,000 trillion won ($870 billion) due to record-low interest rates and increased uncertainties, data indicated Monday.

According to the Bank of Korea and the Korea Financial Investment Association, the idle cash and other short-term capital hit an all-time high of 958.9 trillion won as of end-May, up 15.1 trillion won from a month earlier. It stood at 866.3 trillion won in May last year.

By asset type, cash came to 80.1 trillion won and demand deposit reached 188.5 trillion won. The remainder included 454.3 trillion won in money-market deposits, 69.9 trillion won in money-market funds, 20.2 trillion won in certificates of deposit, 44.3 trillion won in cash management accounts and 10.2 trillion won in repurchase agreements.