Underlying Asset Performance: The primary driver is the performance of the assets held within the 215620.KO ETF. If the underlying Korean stocks increase in value, the ETF's price will likely rise, and vice versa. Supply and Demand: General market demand for the ETF impacts its price. Higher demand relative to available units usually leads to a price increase, while increased selling pressure can lower the price. Index Tracking Efficiency: How closely the ETF tracks its benchmark index influences pricing. Deviations from the index's performance due to tracking error can create price differences. Market Sentiment: Overall investor sentiment towards the Korean stock market and specific sectors represented in the ETF affects trading activity and therefore the ETF's price. Fund Management Expenses: The ETF's expense ratio, which covers management fees and operational costs, indirectly affects the price. Higher expenses can slightly reduce returns and thus influence the perceived value.