This could prove to be one tumultuous week for the global financial markets.

Some Deutsche Bank Clients Unable To Access Cash Due To "IT Outage"
Zero Hedge
Oct 2, 2016
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While it now seems that Friday's rumor of a substantially reduced Deutsche Bank settlement with the DOJ, which sent the stock price soaring from all time lows, was false following a FAZ report that CEO John Cryan has not yet begun the renegotiation process, and in the "next few days" is set to fly to the US to discuss the proposed RMBS misselling settlement with the US Attorney General, Germany's largest lender continues to be impacted by the public's declining confidence, exacerbated over the weekend by a disturbing "IT glitch."

For one, it remains unclear if Friday's report halted, or reversed, the outflow of cash from DB's prime brokerage clients, which as Bloomberg first reported last week was a major catalyst for the swoon in the stock price. However, as UniCredit's chief economist Erik Nielsen notes in a Sunday notes, one thing is certain: "so long as a fine of this order of magnitude ($14 billion) is an even remote possibility, markets worry."

There is also the threat of the bank's massive derivative book, which despite attempts of many pundits to gloss over, over the weekend none other than JPM admitted that that is what the markets will likely be focusing on for the foreseeable future: "In our opinion it is not so much funding issues but rather derivatives exposures that more likely to trouble markets going forward if Deutsche Bank concerns continue. This is especially true if these concerns propagate into a confidence crisis inducing more rapid unwinding of derivative contracts."

Indeed, as we first hinted last Thursday... and as CNBC's Jeff Cox correctly observed subsequently, at the core of this week's investor angst is a word that came up during Bear's demise: "novation," or a request by hedge funds that deal with the bank to have others take their place in derivatives trades. In the case of Bear Stearns, word in March 2008 that Goldman Sachs had refused a novation request spread panic through Wall Street.