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How do elections affect the stock market?

By Sam Instone - June 12, 2024

How do elections affect the stock market?

It feels like 2024 is the year of the election, with over 64 happening in various countries around the world covering around 50% of the world’s population[1]!

These range from the farcical pretense of the re-election of Putin, to that in the UK.

At this time, it looks like a probable victory for the Labour party over the incumbent Conservatives, seemingly with a large majority.

In the previous election in 2019, British politics was polarised between Boris Johnson’s ‘getting Brexit done’ mantra and a very left-wing alternative of Jeremy Corbyn and his ‘magic money tree’.

Today, the two main parties are vying for far more central ground that tends to win elections.

Who said democracy doesn't work?

In India, the world’s largest democracy, the people have spoken and have put a dent in the BJP and Modi’s ambitions of an overwhelming 400 seats.

They gained just 240 instead, without a majority.

The EU Parliament elections are due to begin, with concerns over the growing impact of the far right.

Throw in the US election chaos in November, and you might wonder how to process all of this in terms of what might happen to your portfolio.

Well, the good news is that the markets have done this already for you!

It's no doubt, for example, pricing in the probability of a Labour government and what it thinks about its policies, as far as they're known.

That is what markets do.

They incorporate all public information into prices quickly and efficiently, meaning that prices only move on the release of new information, which is random.

The stock market tends to be pretty resilient for those with the patience to sit out any passing market storms.

It seems to be obligatory at these times to roll out a chart with the colours of the different parties indicating the periods they're in power – say in red for Labour and blue for Conservative – and showing the growth of the market.

It doesn't tell you much, apart from these events have little impact, as the market prices in events, well before they happen.

But here it is:


It really is pointless to try to predict an outcome any different to that already reflected in today’s market prices.

What is your thesis?

How have you interpreted the information that you have to hand?

How is your view different to everyone else who's thinking similar thoughts?

The reality is that it's really hard to outguess the market view reflected in prices.

As you see from the chart above, these periods of political power are plotted against the UK market.

But what does that tell you?

Over 80% of the earnings of the UK market come from overseas, so how meaningful is it to just look at UK politics?

Not only that, but the UK is likely to represent only a fraction of your global portfolio, as it only represents around 4% of total world market capitalisation.

So, you'll need to factor in all 64 elections, all other world events known and as yet unknown, and decide how to position your portfolio accordingly.

Alternatively, you could be patient, trust that the markets work pretty well and reflect the aggregate view of all investors, and believe in the power of capitalism to deliver rewards due to you as the part owner of the great companies of the world (equities) and as a lender (bonds).

We counsel the latter.

Arguably the most important thing you can do, is vote.

[1] TIME (2023) The Ultimate Election Year: All the Elections Around the World in 2024. https://time.com/