The “2x” trade met gravity
South Korea’s market just delivered a very expensive lesson in how leverage can make you feel brilliant right up until it doesn’t. Retail investors piled into leveraged ETFs tied to Samsung and SK Hynix, and when the market rolled over, the funds had to keep buying and selling into the move like a Roomba stuck in a corner.
Why one bad week snowballed
The setup was simple on paper and chaotic in real life:
- Samsung and SK Hynix together account for more than half the KOSPI’s value.
- The leveraged funds promised double the daily move.
- That meant down days forced automatic selling, which pushed prices lower, which triggered more forced selling.
That feedback loop helped fuel a historic wipeout in the index, which had already seen a massive peak-to-trough drawdown before bouncing hard Friday and then slipping again Monday.
Retail got the bruise, not the pros
The really brutal part? This was mostly a household-money story. Retail investors owned the vast majority of the money in these products, and estimates of losses are eye-watering. Margin calls followed, because nothing says “fun weekend” like your broker asking for more cash after a leverage face-plant.
Scott Galloway’s punchline was pretty blunt: leverage doesn’t create risk, it just shrinks your room to be wrong. And in a market where a couple of chipmakers can swing the whole country’s index, that margin for error gets real thin, real fast.
Big picture
This isn’t just a South Korea story. It’s a warning label for the modern market: when everyone reaches for the turbo button, even a small slowdown can feel like a crash landing.