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The Korean Levered ETFs Shaking Markets All Around the World
Brief
The episode centers on how Korea’s boom in single‑stock leveraged ETFs has rippled through global markets, driven by explosive AUM growth, heavy retail participation and mechanical rebalancing. Hosts Tracy Alloway and Joe Weisenthal framed the week of July 9, 2026 around two Korea‑focused events — Samsung earnings and a U.S. listing for SK Hynix — and brought on Alex Altman, Barclays’ global head of Equities Tactical Strategies, to explain the scale and mechanics. Altman put concrete numbers on the surge: global leveraged‑ETF AUM at roughly $250–$270 billion, APAC up from ~$12–13B to ~$50–55B year‑to‑date, and U.S. AUM rising from ~$120B in early April to just north of $200B at its peak.
Why it matters
Alex Altman (Barclays): global AUM in single-stock and leveraged ETFs was roughly $250–$270 billion at the time of his note; APAC AUM rose from about $12–13 billion at the start of 2026 to roughly $50–55 billion, a ~3x increase.
Key details
- Alex Altman: U.S. leveraged-ETF AUM was ~ $120 billion in early April 2026 and peaked just north of $200 billion thereafter; in the U.S. most of that AUM growth was due to price appreciation, whereas Korea saw large new share creation.
- Alex Altman: Typical mechanics — a $30 billion AUM 3x leveraged ETF creates ~$90 billion notional exposure (via swaps). A 10% fall in the underlying causes a $9 billion mark‑to‑market loss, forcing mechanical deleveraging (creates large, repeatable rebalancing flows and a new short‑gamma footprint).
- Tracy Alloway & Alex Altman: Retail dominates leveraged ETF ownership in Korea (about 93% owned by retail) versus roughly 75% retail ownership in U.S. leveraged single‑stock ETFs, amplifying momentum and “tail‑wagging‑dog” effects in Korea.
- Alex Altman: Dealer balance‑sheet capacity is scarce; while leveraged ETFs contribute to financing demand, the larger drivers of rising financing rates include higher spot prices and heavy balance‑sheet use by multi‑manager hedge platforms (trillion‑dollar scale).
- Alex Altman (Barclays 'Betty' timing indicator): Betty has 19 quantitative inputs and flagged a record warning in late May 2026 — historically, an average two‑month S&P return is ~190 bps with a ~73% hit rate, but when Betty is highly overbought the hit rate can fall to ~35% and average returns turn negative.