The Iran war has wiped €200bn off European banks’ aggregate market capitalisation, threatening to erode an 18-year high for the sector, new research shows.

The share prices of Deutsche Bank, Barclays and Standard Chartered saw some of the biggest falls — between 14 per cent and almost 19 per cent since late February when the conflict started — while HSBC and BNP Paribas’ share prices fell by about 9 per cent and 10 per cent, respectively, according to Bloomberg Intelligence.

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