DIY Personal & Retirement Financial Planning

Do-It-Yourself financial and investment planning Excel spreadsheet software

price volatility

How many stocks are needed for a well-diversified portfolio?

Industry rules-of-thumb often state that 15 to 30 stocks are enough for a well-diversified portfolio. This can be very misleading. Recent studies point out that industry rules-of-thumb on the number of stocks needed for a well-diversified portfolio are simply not adequate. These rules-of-thumb most often state that 15 to 30 stocks are enough. “The Truth […]

Objective Personal Finance Answers Are Hard to Find

The Problem – Straight answers about personal financial planning and investment management are difficult to find In this article, The Skilled Investor summarizes some of the significant problems faced by ordinary individuals, when they attempt to plan their family finances. This is the first in a series of articles that will provide scientifically grounded decision […]

What Is Investment Portfolio Diversification?

From the perspective of holding a well-diversified investment portfolio according to scientific investment principles, the objective of diversification is to minimize or eliminate ‘unsystematic risk’ or those risks that are not related to the price volatility of the overall securities markets. When people speak of investment diversification, they may mean different things. Therefore, clear definitions […]

Understand the Confusing Securities Market Motion Picture

Securities markets are usually very quick to adjust prices to reflect new information. However, this price adjustment process may take longer and be more volatile, if the new information is ambiguous. At any point in time, market participants will already have used more or less rigorous valuation methods to judge their expected risk-adjusted value of […]

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