4 hours ago
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Omor Ibne Ehsan
Tue, May 26, 2026 astatine 6:40 AM CDT 5 min read
Quick Read
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Roundhill Memory ETF (DRAM) surged 90% since launching April 2, 2026, reaching $10.38B successful assets, but 49% of its holdings are South Korean equities that halt trading astatine 3 p.m. Seoul time, creating structural disadvantages during volatility erstwhile Korean prices determination 14 hours earlier U.S. markets reopen. Micron Technology (MU) returned 105% implicit the aforesaid play with Q1 2026 gross of $14B (up 57% twelvemonth implicit year) and Cloud Memory gross margins astatine 66%, portion the iShares Semiconductor ETF (SOXX) returned 58%, making DRAM’s 90% instrumentality astir proportional to its one-third Micron, two-thirds Korean representation composition.
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DRAM’s overnight spread hazard from Korean net and macro quality creates unfair pricing for U.S. retail investors who cannot commercialized during Seoul’s session, a structural occupation amplified by the fund’s dense attraction successful the astir cyclical country of semiconductors during a play of accelerated mean reversion risk.
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Korea has 2 ample representation companies: Samsung and SK Hynix. Meanwhile, the Roundhill Memory ETF (BATS:DRAM) has done what blistery launches do: rip. The money is up 90% since its April 2, 2026 inception, and it has $10.38 cardinal successful money assets nether management, and added much than $1 cardinal successful a azygous time connected May 8.
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The drawback is structural. DRAM is simply a U.S. listed ETF whose underlying portfolio is 49% South Korean equities, meaning astir fractional of what you ain stops trading astatine 3 p.m. Seoul clip and does not commencement again until you are asleep.
What you are really buying
Memory is the picks and shovels of AI. The 3 companies that substance power astir 95% of the market, and DRAM gives you each of them successful 1 ticker. The geographic breakdown is 38% United States, 6% Taiwan, and 5% Japan, with the Korean fractional divided betwixt Samsung Electronics astatine 25% and SK hynix astatine 24%. Micron Technology (NASDAQ:MU) anchors the U.S. broadside astatine 24%. Expense ratio is 0.65%, which is good for a thematic but not cheap.
The clip portion occupation
An ETF's nett plus worth is conscionable the holdings priced astatine the close, stacked up. When fractional the holdings closed successful Seoul 14 hours earlier the New York bell, the published NAV uses stale prices that cipher tin really commercialized against. Market makers punctuation DRAM astatine wherever they deliberation Samsung and SK hynix volition unfastened successful Korea tonight, which is simply a conjecture dressed up arsenic a spread. During calm tape, the premium oregon discount to NAV stays tight. During volatility it widens, sometimes a lot. iShares Core MSCI Emerging Markets, with Samsung astatine 4% and SK Hynix astatine 2%, has lived this for years. DRAM concentrates the aforesaid mechanic.
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