As the domestic stock market plunged, stock orders on the Korea Exchange (KRX) were delayed or rejected.
According to the financial investment industry on the 9th, between 12:30 p.m.–33 p.m. and 1:39 p.m.–41 p.m., some orders were rejected or order processing was delayed due to a computer problem at the exchange.
According to the exchange, the issue that delayed trade execution affected the "KODEX WTI Crude Oil Futures (H)." The exchange said, "The remaining volume of upper-limit allocation quotes in the opening call auction did not match the data in the single-price trade execution process after the circuit breaker was triggered, causing an error."
In response, the exchange said it implemented a rejection of quotes for the ETF in question at about 12:32 p.m. due to the delay in trade execution, and eight minutes later, at 12:40 p.m., it suspended transactions in the product.
However, the execution delay occurred only in ETP products (such as ETFs and ETNs) and did not affect other stock product groups, it said. From 3 p.m., the product in question also normalized and transactions resumed.