The South Korea Financial Services Commission announced that the Korea Exchange (KRX) will begin operating an AI-driven stock market monitoring system from 3 February 2026 to bolster early detection and response to market manipulation and other unfair trading activities. The system is intended to help authorities verify and act on large volumes of potentially market-moving information circulating online. Developed as a follow-up to the joint comprehensive measures announced by the Financial Services Commission (FSC), the Financial Supervisory Service (FSS) and the KRX in July 2025, the tool was trained on online posts, reported spam text messages, YouTube videos and stock price movement data for items previously identified as potential targets of unfair transactions. Using objective indicators learned from this training, it monitors cyber information trends, scores individual stocks and automatically flags items with a high probability of unfair trading, supporting decisions on whether suspicious trading is occurring and enabling more in-depth examinations where needed. The FSC noted that automated detection should improve the efficiency of sorting high-risk stocks, expand real-time monitoring coverage and reduce the time required for initial analysis.

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