Premium/discount measures the gap between market price and NAV; tracking error measures the gap between NAV and the index. From 19 August 2026, Korea tightened the LP limit on domestic ETFs from 3% to 2%.
Premium/discount measures market price against NAV; tracking error measures the fund's return against its index. From August 19 Korea tightened the domestic ETF threshold to 2%. Here is what a 2% premium actually costs you.
Tracking error measures how far an ETF lags its index over time; the premium/discount (gwaerira) shows how far the market price strays from NAV right now. Different causes, different screens to check.