CNBC
CNBCOct 9
Finance

We Went To Texas To Meet A Tesla Investor Trading With Margin

11 min video4 key momentsWatch original
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TL;DR

Hy Luu uses margin debt to invest heavily in Tesla, risking a margin call that could impact his family's finances.

Key Insights

1

Margin debt reached a record $1.5 trillion in June 2026, up 49% from the previous year.

2

Hy Luu holds $712,000 in Tesla shares, with $147,000 in margin debt.

3

Five out of six times when margin debt rose over 45% year-on-year, the market declined.

4

Robinhood's margin book grew from $5 billion to $21.6 billion in two years.

5

Hy refinanced his house to pay down margin debt, showing the personal risk involved.

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Deep Dive

Hy Luu's Tesla Bet

Hy Luu began investing in Tesla in December 2019, initially considering a diversified approach. Finding it too slow, he embraced risk and went all-in on Tesla. By 2026, he amassed $712,000 in Tesla shares with $147,000 in margin debt. Despite acknowledging the gamble, he aims to retire early through rapid wealth accumulation.

The Risk of Margin Debt

Margin debt in the U.S. hit $1.5 trillion in June 2026, a 49% increase from the previous year. Historically, such spikes in margin debt have often led to market declines. Hy Luu's 'death price' for Tesla is $173 per share; if Tesla hits this, he risks a margin call. To manage this risk, he refinanced his house to pay down some of his debt.

Robinhood's Role and Market Implications

Robinhood's margin book expanded from $5 billion to $21.6 billion between 2024 and 2026. The platform targets active traders with low margin rates and high yields. While margin debt isn't alarming in isolation, it adds unpredictability to the market. Experts warn that widespread margin calls could exacerbate market downturns.

Takeaways

  • ✓Monitor your margin debt closely to avoid margin calls.
  • ✓Consider the broader market risks when using leverage.
  • ✓Evaluate the impact of rising interest rates on borrowing costs.

Key moments

0:31Record Margin Debt

“Margin debt hit a record $1.5 trillion in June 2026.”

0:56Hy Luu's Portfolio

“He held about $712,000 worth of Tesla shares and was carrying roughly $147,000 in margin debt.”

4:58Death Price

“In July 2022, I calculated my death price to be $173 per share.”

6:52Robinhood's Growth

“Robinhood's margin book more than quadrupled in two years, growing from $5 billion to $21.6 billion.”

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