The British bank's fixed-income trading revenue fell 19% in the third quarter.
Barclays plans to cut about 5,000 jobs, roughly 5 per cent of its workforce, as it expands its use of artificial intelligence to reduce costs.
About 1,000 roles were cut in the first half of the year, and the rest will go by the end of 2026. Around 60 per cent of the cuts fall in support functions, including software developers.
The bank's third-quarter results missed several estimates. Fixed-income trading revenue fell 19 per cent, which chief executive C S Venkatakrishnan called somewhat disappointing, while equities revenue rose 47 per cent.
Barclays announced a fresh share buyback and said it remains on track for its targets. Its shares fell as much as 2.4 per cent in early London trade.
