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London court quashes rate-rigging conviction of ex-Deutsche Bank trader Bittar - Finance news and analysis from Global Banking & Finance Review
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London court quashes rate-rigging conviction of ex-Deutsche Bank trader Bittar

Published by Global Banking & Finance Review

Posted on October 9, 2026

2 min read

· Last updated: October 9, 2026

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Court Quashes Rate-Rigging Conviction of Former Deutsche Bank Trader Christian Bittar

Christian Bittar's Conviction Overturned: Details and Implications

By Kirstin Ridley

Background of the Case

LONDON, Oct 9 (Reuters) - Christian Bittar, a former star Deutsche Bank trader jailed in Britain for conspiring to rig benchmark interest rates, won an appeal to clear his name on Friday in a fresh blow to the Serious Fraud Office prosecutor.

Bittar was sentenced to five years and four months after pleading guilty in 2018 to rigging Euribor, the Euro interbank offered rate, which helps determine rates on trillions of dollars of financial contracts and loans worldwide.

The Appeal and Court's Decision

But London's Court of Appeal on Friday quashed the conviction, saying it would publish its written reasons later.

Response from the Serious Fraud Office

"We argued for a different outcome but respect the court's decision in relation to Christian Bittar," said Jason Williams, the head of division at the SFO.

"The SFO remains committed to tackling the most complex fraud, bribery and corruption."

Wider Impact on Rate-Rigging Prosecutions

Recent Overturned Convictions

Bittar's appeal was heard after senior judges on Wednesday overturned the convictions of five former Barclays traders, further unspooling some of the SFO's most high-profile prosecutions.

He is the first person convicted of either manipulating Euribor or Libor, its now-defunct London counterpart, to have seen his conviction overturned following a guilty plea.

Context: The Rate-Rigging Scandal

The derivatives traders were cast by prosecutors as a symbol of banker greed at a time of taxpayer fury at eye-watering bank bailouts following the 2007-2009 credit crisis, which sent stock markets plunging and pitched economies into recession.

SFO's Prosecution Record

Launching a criminal investigation in 2012, the SFO prosecuted 20 and seven were convicted at trial, two pleaded guilty and 11 were acquitted during a series of tricky London rate-rigging trials and re-trials between 2015 and 2019.

Legal Errors and Their Consequences

Eight rate-rigging convictions have now been overturned after the Supreme Court last year ruled that legal errors had undermined the fairness of the first Libor trial - that of former UBS and Citigroup trader Tom Hayes and a later trial of former Barclays peer, Carlo Palombo.

Those errors, which centred on how judges directed the juries, also tarnished later rate-rigging trials, the Court of Appeal ruled on Wednesday.

Reporting and Editorial

(Reporting by Kirstin Ridley; Editing by Joe Bavier and Louise Heavens)

Key Takeaways

  • Christian Bittar’s 2018 Euribor conviction has been quashed by the London Court of Appeal on 9 October 2026, following a guilty plea—making him the first such case to be overturned under those circumstances.
  • This follows recent rulings where Supreme Court and appeal court legal errors, particularly in jury directions in Libor/Euribor trials, have led to multiple convictions being deemed unsafe and overturned.
  • The SFO acknowledged the setback and reaffirmed its commitment to prosecuting complex fraud, but the unfolding rulings significantly challenge its rate‑rigging prosecution strategy, with more convictions now under review.

Frequently Asked Questions

Who is Christian Bittar?
Christian Bittar is a former Deutsche Bank trader who was previously convicted for conspiring to rig benchmark interest rates.
What was the outcome of Christian Bittar's appeal?
London's Court of Appeal quashed Bittar's rate-rigging conviction, clearing his name after he had pleaded guilty in 2018.
What is the significance of the Euribor rate-rigging case?
The case involved manipulating Euribor, a key interest rate affecting trillions of dollars in financial contracts globally.
How has the Serious Fraud Office been affected?
The overturning of Bittar's and other traders' convictions has been a setback for the SFO's high-profile rate-rigging prosecutions.
How many rate-rigging convictions have been overturned so far?
Eight rate-rigging convictions have now been overturned following legal rulings on the fairness of the trials.

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