Why and how I’d invest £20k in a Stocks and Shares ISA today

Investing £20k in a Stocks and Shares ISA today could be a lucrative long-term move for a patient investor like me, in my opinion.

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Young mixed-race woman looking out of the window with a look of consternation on her face

Image source: Getty Images

Investing £20k in my Stocks and Shares ISA could prove to be quite a profitable strategy in the long term. Beyond the tax benefits of using this special account, an investor like me is in the middle of a rare buying opportunity – even if it doesn’t seem like it.

The stock market has had quite a tantrum so far this year. But as most industry titans have shown resilience, the FTSE 100 is only down by around 8%. Yet smaller-cap indices like the FTSE 250 and FTSE AIM All-Share have suffered spectacular double-digit declines since the start of 2022.

Many UK shares are falling as rising inflation and interest rates dominate headlines. So, now might seem like a bad time to do some shopping. But as famous contrarian investor Baron Rothschild once said: “The time to buy is when there’s blood on the streets, even if the blood is your own”.

Investing via a Stocks and Shares ISA

To many, the threat of a looming recession shouldn’t be casually dismissed. Yet as a long-term investor, I have the luxury of being able to do just that. Providing the underlying businesses in my portfolio remain uncompromised, falling stock prices look like nothing but buying opportunities in my eyes.

Obviously, there are companies out there in serious trouble. After all, rising interest rates create massive problems for overleveraged enterprises. That’s especially true for those with restricted cash flow courtesy of pandemic disruptions.

But not every stock falls into this category. There are countless enterprises whose revenue streams are being impacted. Yet many have sufficient resources to weather the storm and continue executing their long-term strategies. That’s why the stock market has a perfect track record of recovering from every financial disaster since its inception in 1611.

In other words, given time, many of the UK shares being bashed into the ground today could deliver lucrative long-term returns thanks to the dirt-cheap valuations. What’s more, by using a Stocks and Shares ISA, these potential long-term gains are entirely protected from the taxman.

Understanding the risk

Investing in the stock market is never risk-free. And buying during a time of heightened volatility only amplifies this risk. At least in the short term.

With UK shares currently being moved by emotion rather than logic, prices may continue to tumble further, especially if more bad news emerges about the economy. As such, it’s impossible to say when the stock market recovery will begin.

Therefore, investing £20k in my Stocks and Shares ISA today as a lump sum may not be the best idea. Instead, if I had this capital at hand, I would slowly drip-feed it into high-quality businesses over several months. Why? Because if stocks fall further, then I can buy more at an even better price.

Please note that tax treatment depends on the individual circumstances of each client and may be subject to change in future. The content in this article is provided for information purposes only. It is not intended to be, neither does it constitute, any form of tax advice. Readers are responsible for carrying out their own due diligence and for obtaining professional advice before making any investment decisions.

Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

Young mixed-race couple sat on the beach looking out over the sea
Investing Articles

Want to aim for a £500 second income each month? Here’s how much it takes

Christopher Ruane digs into the numbers and mechanics that could let someone with no shares today build an annual second…

Read more »

Aston Martin DBX - rear pic of trunk
Investing Articles

Down 95%, what might it take for the Aston Martin share price to rise 2,000%?

The Aston Martin share price has collapsed. Our writer considers what it might take for it to regain some ground…

Read more »

Investing Articles

How are Diageo shares looking in April 2026?

It's been an eventful year so far, but what has the impact been for Diageo shares, and where might they…

Read more »

UK financial background: share prices and stock graph overlaid on an image of the Union Jack
Investing Articles

P/Es below 7! 3 staggeringly cheap shares despite yesterday’s rally

Investors who fear they have missed their opportunity to buy cheap shares as the stock market recovers might want to…

Read more »

ISA coins
Investing Articles

Want to know what UK investors have been buying in their ISAs?

Looking for stock, trust, and fund ideas this April? Royston Wild discusses what Brits have been stuffing in their Stocks…

Read more »

Mature Caucasian woman sat at a table with coffee and laptop while making notes on paper
Investing Articles

Why aren’t people buying Greggs shares by the bucketload?

Greggs' shares remain in the doldrums. But should Foolish investors consider pouncing while others won't? Paul Summers takes a fresh…

Read more »

Picture of an easyJet plane taking off.
Investing Articles

£10,000 invested in easyJet shares 2 days ago is now worth…

easyJet shares just experienced a sharp move higher. So anyone who invested in the budget airline operator two days ago…

Read more »

Wall Street sign in New York City
Investing Articles

I’m getting ready for a dramatic stock market crash

Our writer sees plenty of reasons that could mean a lot of stock market volatility is on the way. But…

Read more »