0 Is Over Diversification Hurting Your Investment Returns?


If you have many mutual funds under one investment style, your portfolio is over- diversified.

5 Perils of Over-Diversifying your Portfolio

One of the most popular portfolio management advice provided to customers is to ‘diversify’! If the execution is accurate, diversification can reap many advantages for you, but going overboard with diversification can steer to drawbacks too, heightened risks and, lower returns. Prominent American Portfolio manager, Peter Lynch, in his novel, One Up on Wall Street, speaks about over-diversifying investment portfolios or as he named it ‘diversification. Let’s attempt to comprehend what it implies to over-diversify a portfolio.

Over diversification is a severe and formal mistake that reduces investment returns disproportionately to the portfolio revenues earned. Many investors have understood the toxic impacts of under diversification and mistakenly speculate that more diversification is absolutely fine. In portfolio management, this notion is erroneous.

• Now let’s examine warnings of a bad diversified investment portfolio.

• Under-Diversification

Investment portfolios that have a dearth of wide susceptibility to the 5 crucial asset classes – stocks, bonds, commodities, real estate, and cash – are not diversified. Always remember: Factual diversification does not intentionally prohibit crucial asset classes based upon subjective priorities or historical performance data of the stocks.

• Over-Diversifying Portfolio: What does it signify?

In easy terms, diversifying comes from the term, “Don’t hatch all your eggs in a single basket.” Many financial advisers urge their customers to not invest in just 1 category of asset. For instance, you must have listened to financial advisers asking you to not invest in real estate alone, and rather, invest in another sector or category of organizations, like pharmaceuticals, IT, retail, or technology. Your financial adviser may be true as diversification does curtail the danger of loss, but only as long as it does not steer to over-diversification.

Over-diversifying portfolios or Diversification, as clarified by Peter Lynch in this famous Book,  happens when you invest in way excessive assets and bring a greater probability of risk to your investment portfolio. Over-diversification occurs when the volume of investments surpasses to such an extent that the borderline loss of anticipated returns is more than the marginal advantage of reduced risks of your investment portfolio.

You may have understood that diversification is the golden law of investing. And while diversification is a crucial portion of risk management, you can have maximum benefits of a good investment.

Having an over-diversified portfolio can divert you from the all-around image and can alleviate you into believing that the quantity of diversification is more crucial than the quality of diversification. An over diversified portfolio is moreover tangled to evaluate and the effects of each investment on the portfolio become visible, meaning it may be tough to assure your portfolio aligns with your risk forbearance.

 When you have excessive facets that are impacting the performance of your portfolio, you may not be able to discern what is steering your returns, which makes it tough to make informed judgments about your prospect investments.

Still, Confused? In reasonable words, it suggests that by adding excessively too many assets to your portfolio, the optimistic impacts of some investments in your organizations are abolished by the negatives effects of others. Many difficulties come with over-diversifying your portfolio. Many of them have been evaluated below:

5 Perils  of Over-Diversifying your Portfolio

1. Over-Diversifying a Portfolio distracts you

To be able to make the maximum out of your investments, it is crucial to keep an eye on quarter and annual summaries of your invested stocks. also, companies often make corporate announcements that can be highly instructive about your investments. With your career, family, and all things to do every day, it can be very tough to regularly supervise 50 diverse stocks. On the different hand, if you had almost 10 stocks, it would be easy to remark them all.


2. Poor selection of Investments

Most investors who over-diversify their portfolios utilize investment options like vigorously traded bonds, stocks, and mutual funds. Actively traded mutual funds commonly tend to concentrate on short-term trading rather than adding significance to your investment. These funds usually outperform in the long run.


3. Over-Diversifying a Portfolio makes things entangled

It is crucial to understand what you invest and how you invest it. Adding multiple assets to your portfolio and not understanding what is in them can be destructive. It is critical to be alert of your stocks and grab the steering in your hands.


4. Low returns on Investment

One of the greatly noticeable dangers of over-diversifying a portfolio is to obtain low returns on your investment. Visualize this strategy; if you acquire 5 stocks, your portfolio has great risks but moreover a high likelihood of reasonable returns. But if you have more than 100 stocks, your portfolio threat is definitively short, but so is your anticipated rate of returns.


5. Over-Diversifying a Portfolio because of erroneous stocks  correlation

While diversifying, maximum investors only gaze at stagnant charts of correlation. Two securities can be incredibly correlated at a specific duration of the month and be uncorrelated at different times.


• Some Hints  of Over- Diversification

If you are unprepared to determine whether or not your portfolio has been over-diversified, look for these hints :

1) If you have multiple mutual funds under one investment model, your portfolio is over-diversified. This boosts your risks as well as investment expenditures.

2) Having several individual stock alternatives is another sign. This will need you to constantly survey and regulate your investments. Your portfolio will moreover process like a stock index but at boosted prices, thereby influencing your overall revenues.

3) If you acquire private investments you may withstand the traps of over-diversification. These instruments are frequently marketed for their diversification attributes, but they moreover hold plenty of risks.

4) Selecting multimanager investments is furthermore a pointer of over-diversification. While hiring experts for guidance can be a promising strategy to invest accordingly with current market trends, it can moreover be an expensive affair and may in over-diversification.

• Why do some advisers prefer Over-diversification?

There may be various justifications as to why some financial advisers recommend over-diversification. Some may hesitate between the faded line between diversification and over-diversification. Others may do it to reap more money and assure better revenues for themselves. Some advisers may over-diversify so they do not pan out losing their customers over inadequate returns.

Also, auto diversification investments like target-date funds have similarly contributed to this dilemma. In addition to this, some advisers authorize third-party investment executives to do over-diversification. They do this because it extensively decreases a financial adviser’s work while boosting their f reaping more commission from purchasing and selling various investments.

• 5 Successful Portfolio Management tactics-

1. Choose quality over quantity to avert Over-Diversification

A decent portfolio indicates quality investments and not inevitably a vast quantity of investments. A cardinal portfolio management advice is to analyze quality. An over-diversified portfolio generates a delusion amongst investors that they are safe against risks when in reality, many diversified investments share similar risk aspects.

2. Keep it simple yet alluring

Finance can be a complicated subject and many a time, investors discover it tough to comprehend the nuances of their investments. Try to not blindly obey a friend’s guidance and go on over-diversifying your portfolio. The extensively productive portfolio management advice would be to keep in mind that - "Fewer investments means more profit returns "! Make sure you comprehend which assets bring in returns and which generate risk.

3. Opt for optimum Diversification and not Over-Diversification

Different businesses are uncertain to deviate at the exact time. This is why investors opt for diversification in the initial place. Optimum diversification is to utilize numerous stocks that are not only decent enough to lessen unsystematic threats but moreover promising enough to tap into the best feasible possibilities.


4. Go local

Rather than choosing foreign stock investment vehicles, go in for Asian/American stoc  ks. With such stocks, you are already earning exposure to global stock markets indirectly. An American firm would pay adequate scrutiny to their stocks than you would separately. Keeping in mind this portfolio management advice not only lessens risk but moreover assures that your portfolio is modest and clear to supervise.


5. Contemplate rolling Correlation

The simplest advice for decent portfolio management is to thoroughly evaluate the correlation between your stocks. Rather than only researching the static correlation between your securities for 4-5 years, consider surveying the rolling correlation over a longer duration.

• Optimal or Proper Diversification

1) Most specialists speculate that a portfolio diversification technique having between 15 and 30 unique assets is optimal to modify away from the unsystematic risk. Of course, sufficient diversification would need these assets to be disseminated among various sectors and enterprises.

2) The fact is you might be good off in acquiring the 30 best stocks for your portfolio (among a diversity of various industries) than own 30 of the biggest stocks plus 500 non-optimal stocks that your portfolio achievements. In different words, the raised advantages from owning 500 extra stocks would be minor as correlated to the anticipated loss in returns.

3) Most investors have encountered the poor outcomes of over-diversification. This is because many institutional vehicles (i.e. diversified mutual funds, pension funds, equity index funds, ETFs, etc.) are over diversified and cannot concentrate on quality rather than quantity.

4) The optimum portfolio diversification is to own numerous unique investments which are huge enough to practically abolish unsystematic risks and are capable enough to focus on the biggest 

Final Words  ( Conclusion )  

One of the richest men immense the USA, The CEO of Berkshire Hathaway, Warren Buffett, exactly explained that “Wide diversification is only expected when investors do not realize what they are doing with their investments ". Over-diversifying your portfolio hardly makes things more entangled and turbulent. It has a small or no impact on decreasing risks or boosting your returns.

Do you feel that you are over-diversifying your portfolio? Reach out to our financial advisers to discern how you can streamline your portfolio to decrease risks and have favorable returns.


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