If an investor put £1k in the S&P 500, here’s what they could have in 2026

Jon Smith reveals how much an investment in the S&P 500 for the year ahead could be worth, based on the average Wall Street forecasts published.

| More on:

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 black colleagues high-fiving each other at work

Image source: Getty Images

Over the past month or so, the top Wall Street analysts released their forecasts for where the S&P 500 could go this year. Of course, nothing can be predicted precisely, and the difference in forecast views highlight this fact. Yet based on the consensus view, here’s what an investor could end up with if they invested now and the predictions turn out to be correct.

Looking at the numbers

According to Bloomberg, the average forecast from the list of contributors is 6,614 points. At the moment the index stands at 5,842 points. So this would be a 13.2% rally for 2025. As a result, a £1k investment could be worth £1,132 by year-end.

Some forecasters are looking for greater gains, with others predicting much less. For example, the team at Oppenheimer are top of the tree with its view of 7,100 points! From the data I can see, the lowest target for 2025’s 6,000 points from Cantor Fitzgerald.

It’s true that there’s a wide range of views here. But what strikes me as interesting is that all of these analysts are looking for the index to gain in value this year.

This isn’t to say the index can’t fall. There are several reasons that could cause these forecasts to be upended. For example, US inflation could materially rise. This could cause interest rate cuts to evaporate and investors to get worried about the broader economy.

Where the gains could come from

If the S&P 500 does hit the 6,614-point mark, it’ll likely be partly down to the mega-cap firms continuing to do well. The index is up 23% over the last year, helped by US shares such as Vistra (NYSE:VST).

Vistra’s a US-based energy company engaged in the production and distribution of electricity and related services. It’s a significant provider of energy, but some might look at the 333% jump in the share price over the past year and be a bit confused.

It’s true that normally energy companies of this size don’t see such large stock movements. Yet the driver for Vistra was the fact that the infrastructure is seen as a critical driver behind the energy demand of artificial intelligence (AI). The increasing need to power energy-hungry computers and processors mean that Vistra could see better financial performances in coming years.

Vistra could also help to lead the charge this year for the index and so may be worth considering. However, one risk is that some of the stock’s rally is built on speculation. AI hype could mean the stock’s in a bit of a bubble. If investors don’t see some tangible proof of demand filtering down to higher profits soon, the share price could fall.

Overall, sentiment towards the US stock market’s positive for the year ahead. Investors do need to be careful and do their own research, but the professionals are clearly expecting a good 2025.

Jon Smith has no position in any of the shares mentioned. The Motley Fool UK has no position in any of the shares mentioned. 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 US Stock

Close-up image depicting a woman in her 70s taking British bank notes from her colourful leather wallet.
US Stock

How to invest £10k in S&P 500 dividend stocks to target a £2.3k annual second income

Jon Smith shows how someone could look across the pond and pick dividend shares from the S&P 500 that can…

Read more »

Finger clicking a button marked 'Buy' on a keyboard
Investing Articles

My DCF analysis says it’s time for me to buy tech shares

Stephen Wright’s reverse DCF analysis suggests that shares in this specialist software company might have fallen into buying territory.

Read more »

Portrait of pensive bearded senior looking on screen of laptop sitting at table with coffee cup.
Investing Articles

Is the Nvidia share price heading for trouble as AI datacentres face delays and cancellations?

Mark Hartley weighs up the impact that datacentre delays and a growing AI bubble could have on the Nvidia share…

Read more »

Tesla car at super charger station
Investing Articles

Why is Tesla stock down 30% since late 2025?

Tesla stock has been a bit of a car crash in 2026. Edward Sheldon looks at what’s going on, and…

Read more »

Young woman working at modern office. Technical price graph and indicator, red and green candlestick chart and stock trading computer screen background.
Investing Articles

2 world-class S&P 500 stocks down 11% and 32% to consider buying

Searching for stocks to buy for an ISA in April? Our writher thinks these excellent growth shares are worth a…

Read more »

Night Takeoff Of The American Space Shuttle
Investing Articles

Forget SpaceX? Amazon stock offers exposure to space cheaply

Amazon is the best performing Mag 7 stock in 2026. That's because investors are realising that there's huge potential in…

Read more »

Santa Clara offices of NVIDIA
Investing Articles

Get ready for Nvidia stock’s next move higher

Nvidia stock has traded sideways over the last six months. But Wall Street analysts are convinced that it’s about to…

Read more »

Smart young brown businesswoman working from home on a laptop
Investing Articles

Prediction: by 2029, £5,000 invested in Tesla stock could be worth…

Tesla stock's off to a miserable start to 2026 falling by over 20%. Zaven Boyrazian takes a look at how…

Read more »