The Barclays (LSE: BARC) share price has jumped 9.4% in the past month, climbing to 458.8p as I write on Thursday afternoon (4 June). 

For a stock that has seen some significant recent gains but is still down 4.3% year-to-date, it made me ask: what’s really going on?

How does the maths stack up?

The recent share price surge may have caught my attention, but the longer-term picture adds even more intrigue. Here’s how the returns look across different time horizons:

• 1 month: 9.4%
• Year-to-date: -4.3%
• 1 year: 40.1%
• 5 years: 149.4%

To put the five-year return in real terms: an investor who committed £5,000 to the shares in June 2021 could have purchased 2,732 shares. Today, those would be worth roughly £12,534. That’s a gain of £7,534 before taking into account any dividends.

The same sum left in a cash savings account at 4% per year would be worth just over £6,000. Clearly, the stock has generated some strong returns for shareholders who bought at the right time and held on to their investment.

But what has actually driven such a dramatic recovery, and can the momentum last?

A resurgent banking stock

The business has a presence across a few areas including a UK retail and commercial bank, a US consumer bank and a major investment banking division. With a market cap of £62bn, it’s generated some strong recent gains following a strong Q1 2026 results release, which beat consensus estimates.

Group income rose 6% to £8.2bn and return on tangible equity reached 13.5%. All five business divisions delivered double-digit returns, which caught the market’s eye.

Investment banking delivered over £4bn of quarterly income for the first time, with Chief Executive CS Venkatakrishnan highlighting the group’s stability and resilience for investors:

The breadth and quality of our businesses mean we remain confident in delivering all our financial targets across a range of environments. This includes greater than 12% RoTE in 2026 and greater than 14% RoTE in 2028.

CS Venkatakrishnan, Group Chief Executive, Barclays

The bank’s price-to-earnings (P/E) ratio of 10.8 looks modest, particularly when compared to HSBC at 15.53 and Lloyds at 13.13. For investors thinking about relative value across UK banking, that gap is worth considering:

The combination of earnings momentum, disciplined capital allocation and a P/E below its peers makes for an interesting case. But what about the risks facing investors?

What could derail the rally?

I don’t currently hold shares in the bank and the key risks are a big reason why. Investment banking revenues can be volatile, and a slowdown in deal activity could reduce divisional revenues, which have helped boost recent results.

In my view, that gives the bank a different risk profile to others like Lloyds that are more focused on domestic and commercial banking.

Then there’s the consumer-facing side of the story. If unemployment rises or the economy slows down faster than expected, bad debts could start to mount and impact on earnings.

My verdict

Barclays is beginning to look like a stronger, stable bank but it’s not one that I’m looking to add to my portfolio right now given the potential risks. I think there are more interesting opportunities in other sectors that warrant my attention.

Should you invest £5,000 in Barclays Plc right now?

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Ken Hall does not hold any positions in the companies mentioned.