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Kwasi Kwarteng budget: MPs demand inquiry into ‘insider trading’ claims

Dozens of MPs have called for a parliamentary inquiry into claims of insider trading around Kwasi Kwarteng's budget.

In a letter to the chair of the Treasury select committee Mel Stride, the 31 MPs say the Chancellor's contact with financial traders in the run up to the policy change should be scrutinised "without delay".

Mr Kwarteng was reported to have privately met with at least one trader who profited from the fall in the value of the Pound in the weeks ahead of the Budget.

He has also admitted attending a private party of financiers just hours before delivering his speech to the Commons, where he was supposedly "egged on" by hedge fund managers.

The MPs said that any "suggestion or suspicion of private individuals using privileged access to profiteer from our country's economic difficulties must be fully investigated".

Signatories of the letter include Dame Margaret Hodge, who is a former chair of the Public Accounts Committee, and John McDonnell, the ex-shadow chancellor.

"As Members of Parliament and public servants to our constituents, we are writing to you to request that, as Chair of the Treasury Select Committee, you use all powers at disposal to investigate allegations of insider trading preceding the recent collapse of the value of the pound against the US Dollar," the 31 Labour backbenchers said.

They added: "Any suggestion or suspicion of private individuals using privileged access to profiteer from our country's economic difficulties must be fully investigated. Our constituents are already deeply angry that financial traders are enriching their personal wealth by betting against Britain. Any political assistance received in that process would be unacceptable.

"We therefore urge you to begin, without delay, an inquiry of the Treasury Select Committee into any and all contact between the Chancellor of the Exchequer, Prime Minister, and financial traders in recent weeks. Transparency is sorely needed."

Mr Kwarteng's budget included tens of billions of pounds in unfunded tax cuts, which caused an immediate tanking in the value of the pound, and a surge in the yields on government debt.

The unusually sharp market movements left ample scope for traders to profit by shorting Sterling, but also caused significant financial instability – undermining the asset bases of pension funds.

Interest rates are expected to surge to as much as 6 per cent as a result of the policies, despite a partial U-turn by Mr Kwarteng and Liz Truss on the abolition of the top rate of tax.

Prior to entering politics Mr Kwarteng worked as a City financial analyst, as well as for a hedge fund.

Labour MP Karl Turner, one of the letter's signatories, told The Independent that the allegations regarding the budget were "incredibly serious".

UK news in pictures

4 October 2022: Prime Minister Liz Truss and Britain’s Chancellor of the Exchequer Kwasi Kwarteng wearing hard hats and hi-vis jackets, visit a construction site for a medical innovation campus in Birmingham (AFP/Getty)
4 October 2022: Prime Minister Liz Truss and Britain’s Chancellor of the Exchequer Kwasi Kwarteng wearing hard hats and hi-vis jackets, visit a construction site for a medical innovation campus in Birmingham (AFP/Getty)
3 October 2022: British artist Sam Cox, aka Mr Doodle, reveals the Doodle House, a twelve-room mansion at Tenterden, in Kent, which has been covered, inside and out in the artist's trademark monochrome, cartoonish hand-drawn doodles (PA)
3 October 2022: British artist Sam Cox, aka Mr Doodle, reveals the Doodle House, a twelve-room mansion at Tenterden, in Kent, which has been covered, inside and out in the artist's trademark monochrome, cartoonish hand-drawn doodles (PA)
2 October 2022: Erling Haaland celebrates after scoring Manchester City's second goal against Manchester United at Etihad Stadium. Haaland went on to score a hattrick, his third of the season in the Premier League. City beat United 6-3. (Manchester City FC/Getty)
2 October 2022: Erling Haaland celebrates after scoring Manchester City's second goal against Manchester United at Etihad Stadium. Haaland went on to score a hattrick, his third of the season in the Premier League. City beat United 6-3. (Manchester City FC/Getty)
1 October 2022: Protesters hold up flags and placards at a protest in London. A variety of protest groups including Enough is Enough, Don't Pay and Just Stop Oil all demonstrated on the day (AFP/Getty)
1 October 2022: Protesters hold up flags and placards at a protest in London. A variety of protest groups including Enough is Enough, Don't Pay and Just Stop Oil all demonstrated on the day (AFP/Getty)
30 September 2022: British Prime Minister Liz Truss, who has not been seen in days, leaves the back of Downing Street after a meeting with Office For Budget Responsibility following the release of her government’s mini-budget (Getty)
30 September 2022: British Prime Minister Liz Truss, who has not been seen in days, leaves the back of Downing Street after a meeting with Office For Budget Responsibility following the release of her government’s mini-budget (Getty)
29 September 2022: The Virginia creeper foliage on the Tu Hwnt i'r Bont (Beyond the Bridge) Llanwrst, Conwy North Wales, has changed colour from green to red in at the start of Autumn.  The building was built in 1480 as a residential dwelling but has been a tearoom for over 50 years (PA)
29 September 2022: The Virginia creeper foliage on the Tu Hwnt i'r Bont (Beyond the Bridge) Llanwrst, Conwy North Wales, has changed colour from green to red in at the start of Autumn. The building was built in 1480 as a residential dwelling but has been a tearoom for over 50 years (PA)
28 September 2022: Criminal barristers from the Criminal Bar Association (CBA), demonstrates outside the Royal Courts of Justice in London, as part of their ongoing pay row with the Government (PA)
28 September 2022: Criminal barristers from the Criminal Bar Association (CBA), demonstrates outside the Royal Courts of Justice in London, as part of their ongoing pay row with the Government (PA)
27 September 2022: David White, Garter King of Arms, poses with an envelope franked with the new cypher of King Charles III 'CIIIR', after it was printed in the Court Post Office at Buckingham Palace in central London (AFP/Getty)
27 September 2022: David White, Garter King of Arms, poses with an envelope franked with the new cypher of King Charles III 'CIIIR', after it was printed in the Court Post Office at Buckingham Palace in central London (AFP/Getty)
26 September 2022: A gallery staff member poses next to a painting by Lucian Freud - Self-portrait (Fragment), 1956 - on show at a photocall for the Credit Suisse exhibition - Lucian Freud: New Perspectives at the National Gallery in London (PA)
26 September 2022: A gallery staff member poses next to a painting by Lucian Freud - Self-portrait (Fragment), 1956 - on show at a photocall for the Credit Suisse exhibition - Lucian Freud: New Perspectives at the National Gallery in London (PA)
25 September 2022: Labour leader, Sir Keir Starmer is interviewed by Laura Kuenssberg in Liverpool  before the start of the Labour Party annual Conference which he opened with a tribute to Queen Elizabeth II and sang the national anthem (PA)
25 September 2022: Labour leader, Sir Keir Starmer is interviewed by Laura Kuenssberg in Liverpool before the start of the Labour Party annual Conference which he opened with a tribute to Queen Elizabeth II and sang the national anthem (PA)
24 September 2022: Handout photo issued by Buckingham Palace of the ledger stone at the King George VI Memorial Chapel, St George's Chapel, Windsor Castle (PA)
24 September 2022: Handout photo issued by Buckingham Palace of the ledger stone at the King George VI Memorial Chapel, St George's Chapel, Windsor Castle (PA)

"If these allegations were made in any organisation outside of Government is would very probably be a matter that the police were asked to investigate," he said.

"However, these allegations are even more serious. The Governments mini budget me at that the markets reacted requiring the Bank of England to take immediate action.

"To think that the chancellor’s cronies and Tory donors were betting against Britain with privileged inside information is utterly scandalous. We must get to the bottom of these allegations quick sharp.”

Separately, Jo Maugham, the director of the Good Law Project, said his organisation would "take legal advice on what needs to be shown to establish criminal insider dealing by the Chancellor" before considering next steps.

He added that the group, which has a track record of launching judicial reviews into contentious government policies and decisions, was "not afraid to push regulators".

The Independent has contacted the Treasury for comment on this story. The Financial Conduct Authority declined to comment on the claims.