Average loss ratio. Some sectors are higher risk than others. For the past couple of decades, for example, social media has been particularly challenging, with Meta acquiring or suffocating insurgents. If the sector you operate in has a high loss ratio, you may want greater diversification.
Legendary Investor Bill Gurley on Investing Rules, Finding Outliers, Insights from Jeff Bezos and Howard Marks, Must-Read Books, Creating True Competitive Advantages, Open-Source Strategies, Adapting Mental Models to New Realities, and More (#651) - The Blog of Author Tim Ferriss