Listen to Episode 531
This week, we discuss research into the best investment strategy to navigate a potential AI stock market bubble. We also explore the 'calendar effect' to find out when is the most profitable time of year to start investing your money.
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Episode 531 Podcast Summary
Navigating a potential AI bubble
Summary
Using research from Fidelity that analysed the dot-com bubble (1998–2001), we examine how different investment strategies performed during a tech-driven market surge. We discuss why a balanced "realist" approach often outperforms attempts to time the peak of a bubble.
Key insights
- The "Realist" strategy: In the dot-com study, a balanced portfolio of tech and defensive stocks returned 77% over four years, outperforming many complex strategies that tried to time the market.
- The Risk of FOMO: The "disaster switch" - moving entirely into tech at the height of the bubble due to fear of missing out - resulted in the lowest returns (20%).
- Market concentration: Currently, six stocks represent roughly 30% of the S&P 500, highlighting the importance of diversification outside of tech that is heavily AI-focused.
- The long view: Investing is like walking a mountain range; you must be prepared to go through "valleys" (market dips) to reach the next, potentially higher peak
Pension Credit: Unclaimed benefit worth £4,300 per year on average
Summary
We share research into the FTSE 100's performance since 1984, looking at every 5-year investment window. The data reveals a significant "seasonality" or calendar effect that points to certain weeks being statistically more favorable for starting an investment.
Key insights
- Seasonality: Five of the top 10 best days to start a 5-year investment in the FTSE 100 occur between Christmas and the 10th of January.
- The January effect: This positive trend extends through the first month of the year, with eight of the top 10 best days occurring before the end of January.
- September slump: Conversely, five of the top 10 worst days of the year to invest historically fall in September.
- Time in the market: While averages show seasonal trends, the most important factor is your total investment timeframe, as compounding matters more than "cherry-picking" a single day.
Resources
Links referred to in the podcast:
- 10 scenarios for surviving a stock market bubble
- Sign Up To The MTTM Weekly Newsletter
- Take out a free trial of 80-20 investor
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