It is natural to get in the habit of trying to buy or sell shares at a particular price. Sometimes we may get lucky and reach our desired entry or exit point. Other times, we may not always get what we want in this respect. I fall into this trap myself a lot of the time, yet, perhaps unwittingly, am I playing a mugs game?
The future is uncertain. Nobody can predict the future and don’t believe anyone who tells you otherwise. I have written articles where I have talked about where I think certain things may be going, but the truth is anything can happen. I know nothing. Even if we have deep and unmatched levels of foresight we can so very easily, in the words of Nassim Nicholas Taleb, be fooled by randomness. We can be knocked off our perch by completely random and unforeseen events way out of our control. This is one reason why it is important to have a diversified and balanced investment portfolio. If one sector or stock is particularly badly hit by some unexpected event, at least your other investments in other stocks and sectors are not affected. That old chestnut of ‘not keeping all your eggs in one basket’, whilst it may sound hackneyed, still rings true.
Whilst we may or may not be able to get our desired buy or sell price for a particular stock, one thing we do have complete control over is how we weigh and structure our investment portfolios. There may be a company you highly rate and want to invest in, but you want to invest in it at the right price. Right now, you consider the current price too high and have lower price in mind that you hope will arrive. But what happens if that price never comes and instead the share price of the company just continues to climb in value? Instead of hoping to get the right price, or worse, the lowest price, why not say to yourself, ‘What percentage of my total investment portfolio do I want this company or security to represent?’. I think dealing in percentages rather than prices can not only help you to be a better investor, as it can take away a lot of the unnecessary stress and anxiety associated with trying to buy or sell a security at ‘the right price’. It can also help you overcome deeply ingrained cognitive biases.
When you focus more on what percentage of your investment portfolio you want a security to represent, rather than chasing a price, that can give you more control and balance. If the investment goes down in value, the percentage weighting it represents in your portfolio also goes down. If the investment goes up in value, it’s percentage weighting also goes up. By this you can then decide whether you want to be more overweight or underweight in the percentage weight of this particular security. If you want to be more overweight, you buy more. If you want to be more underweight, you sell a portion.
The percentage of what a security represents of your total portfolio is in many ways more important than the price you pay for it. Even if you end up overpaying for a stock or security, if it represents a percentage of your portfolio that is not too detrimental to the overall performance than it is not so bad.
By Nicholas Peart
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