Korea Exchange halts program selling after KOSPI crashes 6.5% in 10 minutes

On August 19, 2026, the Korea Exchange activated a sidecar and halted program selling for 5 minutes after the KOSPI crashed 6.5% in just 10 minutes, with approximately 329.9 trillion won ($220 billion) wiped from the market. Multiple independent sources confirmed the halt and the magnitude of the plunge.

Detected & updated continuously · Source: Nebula