SPY and Beyond: How Sector ETFs Can Enhance Your Investment Strategy
By:Kai Zeng
Exchange-traded funds (ETFs), like the SPDR S&P 500 ETF Trust (SPY), can help reduce the risk tied to investing in individual stocks by holding a collection of assets.
Trading ETFs enables you to diversify your investment portfolio further.
Over the past year, every sector has been in the green. The Financial Select Sector SPDR Fund (XLF) representing banks and the Technology Select Sector SPDR Fund (XLK) for tech companies have particularly shone, delivering returns over 20%, outperforming SPY most of the time.
However, from a long-term viewpoint, the Energy Select Sector SPDR Fund (XLE) has historically underperformed, while XLK, the Health Care Select Sector SPDR Fund (XLV), and the Industrial Select Sector SPDR Fund (XLI) have generally posted strong results. SPY has outpaced most ETFs since the pandemic and from late 2023 to now.
Over the last 10 years, these ETFs have often shown greater price fluctuation than SPY, offering more trading opportunities for those who sell options.
For example, XLE, with the highest average price fluctuation, has underperformed and remained relatively stable over the years. This makes it ideal for strategies that benefit from stability, like strangles or iron condors.
Let's examine their relationship with the S&P 500 in different market conditions. We distinguish the periods as follows:
In a steady, growing market, the connections between assets tend to weaken.
Conversely, when the market is turbulent, these connections strengthen, meaning assets often move in the same direction.
The energy sector through XLE and the utilities through the Utilities Select Sector SPDR Fund (XLU) have shown much lower correlations with other assets in both stable and volatile markets. This implies that XLE and XLU could provide better diversification for a portfolio focused on major indices.
Kai Zeng, director of the research team and head of Chinese content at tastylive, has 20 years of experience in markets and derivatives trading. He cohosts several live shows, including From Theory to Practice and Building Blocks. @kai_zeng1
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