Description
In this episode, David will look at what can happen when an ETF attracts a lot of money very quickly and why popularity is not always the same as safety.
This week’s section explores the difference between large ETFs that track deep, liquid markets and specialist ETFs that invest in narrower themes or less liquid areas. From broad S&P 500 trackers to high-growth thematic funds, ETFs can benefit from scale, but rapid inflows can also create concentration, crowded trades and pressure on the underlying holdings. The section will explain why investors should look beyond fund size and ask whether an ETF’s popularity is supported by a deep market or driven by momentum around a hot theme.
- What will be covered:
- Why ETF size can be helpful in broad, liquid markets
- How popular thematic ETFs can become concentrated or crowded
- Why the liquidity of the underlying holdings matters
- Examples including ARK Innovation and large technology sector ETF rebalances
- Why investors should look at flows, holdings, concentration and trading spreads
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