KB Kookmin Bank has launched the "2026-1st Group-Buying Time Deposit", whose applied interest rate increases as total sales rise. For a 12-month maturity, customers can receive an interest rate of up to 3.30 percent a year if both sales amount and event conditions are met.

KB Kookmin Bank said on July 27 it will sell the "2026-1st Group-Buying Time Deposit" until Aug. 7.

The deposit amount is 1 million won to 20 million won, and the term is 6 months or 12 months. The total sales limit is 2 trillion won, and sales may end early if the limit is reached.

The final interest rate will be determined after sales end, depending on the total sales amount and whether the event interest rate conditions are met.

For a 12-month maturity, an annual rate of 2.80 percent applies if total sales are 100 billion won or less, and 2.90 percent applies if sales exceed 100 billion won.

An additional event rate of 0.40 percentage point a year will be provided to customers who do not hold a KB Youth Leap Account because they closed it at the time of subscribing to the product. The maximum rate is 3.30 percent a year if both sales amount and event conditions are met.

A KB Kookmin Bank official said, "This is a product in which interest rate benefits expand depending on customer participation," adding, "We hope many customers participate and can receive the interest rate benefits."