Bad news could spark a sell-off contagion that could lead to another global financial meltdown and a bail out by Angela Merkel's government despite her opposition to German state intervention.
Analysts are warning that ultra high frequency trades triggered by machines could lead to a perfect storm and could have serious knock-on effects for other banks exposed to the firm's risky assets book.
Germany's largest lender has been hit by unprecedented sell-offs losing 52 per cent of its value in just a year and is struggling to ward off its crisis.
The bank has announced massive job cuts ahead of a £11.4billion fine from the US Justice Department.
And it has been muted that up to 5,000 jobs could go in America alone.