Two South Korea exchange-traded funds, one winning stock, and a dead heat the arithmetic says should not be a draw. EWYEWY-- and FLKRFLKR-- both own the same Seoul-listed shares of SK HynixSKHY--, the AI-memory maker whose operating margin recently hit a company-record 76%. The two wrappers weigh that driver very differently, though: EWY carries SK Hynix as its top holding at 27.17% of the fund, ahead of even Samsung at 23.19%, while FLKR holds the same stock at 19.23%.
Run the numbers and that gap looks like it ought to show up in returns. Because both funds hold identical shares valued at net asset value, one point of movement in the SK Hynix Seoul share should move EWY about 1.4x as much per dollar of fund, 27.17 divided by 19.23. That is the whole contest in a line: does it pay to concentrate the winner?
So far, no. Per Ainvest data, EWY is up about 88% year to date and FLKR is up about 88% too, a spread of roughly two-tenths of a point. Same bell, same driver, same clock, and after months the market has paid almost no premium for EWY's heavier bet on the one stock that made the year.
The chart puts up the full card at once, SK Hynix weight, fee, dividend yield, breadth of holdings, and the final score. The open question is which column decides the outcome. EWY wins the weight column handily. FLKR wins everything the low-cost thesis names: a 0.09% expense ratio against EWY's 0.59%, a roughly 2.4% dividend yield against EWY's roughly 1.1% per Ainvest data, and a 162-stock basket against EWY's 78 names.
So the tie on the scoreboard is not a mystery. It is the two sides' edges canceling each other out. EWY's concentration buys more of the winning driver per point moved; FLKR's efficiency keeps a cheaper, broader bet on that same driver. Today, they wash out.
To see whether a concentration premium ever arrives, follow the shared engine, because both funds are downstream of how SK Hynix earns. Hyperscaler AI data-center spending pushes memory demand toward high-bandwidth memory; SK Hynix's HBM4 stacks and advanced packaging are the binding bottleneck while capacity stays tight; that keeps HBM and DRAM pricing and margins elevated, which lifts earnings and the Seoul-share price. The mechanism board says the driver is working, after an operating profit of KRW 60.54 trillion on a 76% margin last quarter.
The catch is that concentrated and cheap ride the same peak. Memory stocks tend to look cheapest near peak profit. SK Hynix posted that record quarter and the shares still gave ground, because the print came in below analyst estimates and the market was already sizing up peak-cycle risk; Morningstar has since trimmed its revenue forecasts on a lower peak-pricing outlook. If SK Hynix's earnings roll over, EWY's extra concentration stops being a feature and becomes a bigger drawdown, both funds fall, and EWY falls harder per point.
Then there is the part of this story that does not belong to either ETF. The headline "upside" on SK Hynix is anchored to the SKHY American depositary receipt, whose analysts' mean target sits near $245 against a recent price around $188 on Ainvest data. The ETFs never touch that upside directly: they hold Seoul ordinary shares at NAV, while the ADR carries a 16% to 23% scarcity premium for US access. Whatever the ADR does, it does not transfer one-for-one into either fund.
Which one for you? If the goal is making a given SK Hynix move count for more per dollar inside a Korean wrapper, EWY is the concentration play, the one attribute that differs in kind between these two. But its edge is a snapshot, not a contract term. By July the gap had already narrowed on price-driven drift, EWY nearer 25% and FLKR nearer 24%. Watch the disclosed SK Hynix weight in each quarterly holding: if the two converge toward one another, EWY's reason for existing in this matchup fades. Until then, the board reads the way it reads now, the market has refused to pay for concentration, and the cheaper, broader wrapper has matched the concentrated one stride for stride.
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