Financial markets are showing signs of strain as political instability linked to Keir Starmer, the leader of the UK's Labour Party, casts a shadow over the nation's assets. The British pound and UK government bonds, known as gilts, have experienced notable pressure, leading to increased borrowing costs for the UK government. This situation highlights a potential connection between domestic political events and broader economic performance.

The current unease stems from recent developments concerning Starmer's handling of a scandal involving Peter Mandelson, a former UK ambassador to the US, and his past associations with Jeffrey Epstein. Reports indicate that disgruntled members of the Labour Party are discussing ways to challenge Starmer's leadership, with a significant number of parliamentary members needed to formally trigger a party leadership election. This internal dissent, coupled with the ongoing economic climate and previous policy shifts, has intensified scrutiny on Starmer's position.
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Political Maneuvering and Market Reaction
The period between February 5th and the present has seen a distinct market reaction to the growing political uncertainty. The British pound has seen its potential for price swings increase significantly in the coming weeks, as observed in the options market. Simultaneously, the yield on 10-year gilts reached approximately 4.6 percent on February 5th, a level not seen since November. This rise in yields reflects a decrease in gilt prices, indicating that investors are demanding higher returns to hold UK government debt.

"Currency strategists said markets were beginning to price in the possibility that Starmer may not survive the political fallout from the Mandelson affair."
Keir Starmer issued a public apology on February 5th, acknowledging responsibility for believing assurances from Mandelson and appointing him to the ambassadorial role. This statement came after Starmer admitted to sending Mandelson to Washington despite knowing of his continued friendship with Epstein after Epstein had been convicted for sex crimes.
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Deep Dive: The Mandelson-Epstein Connection and its Fallout
A central element of the current political pressure on Keir Starmer revolves around the association of Peter Mandelson with Jeffrey Epstein. Reports suggest that Starmer was aware of this connection when appointing Mandelson as ambassador, a decision that has drawn criticism.
Timeline of Events: While specific dates of Mandelson's appointment and Starmer's knowledge of the Epstein link are points of contention, the public acknowledgment and apology from Starmer occurred on February 5th.
Nature of Criticism: Labour MPs have reportedly expressed dissatisfaction, and discussions among them indicate a desire to challenge Starmer's leadership. A threshold of 81 Labour MPs is required to initiate a leadership contest.
Allegations Under Investigation: Reports indicate that police are investigating alleged misconduct in public office related to Peter Mandelson. Searches have also been reported in connection with these investigations.
Deep Dive: Economic Indicators and Political Risk
The performance of the British pound and gilts appears to be influenced by a combination of economic conditions and political events.
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Inflation and Monetary Policy: UK inflation remains above the target set by the Bank of England. This suggests that the central bank may be inclined to maintain current interest rates for a period, potentially impacting economic growth and currency value.
Market Pricing of Political Risk: Markets are actively factoring in the possibility of increased political instability. This is evident in the widening "risk premium" on gilts, where investors demand higher yields due to perceived uncertainty about the UK's fiscal and legislative future. The pound is also exhibiting higher volatility, with a potential downward bias if leadership uncertainty intensifies.
Expert Analysis
Market participants are closely monitoring Keir Starmer's response to the escalating situation. The focus is on his upcoming interactions with Members of Parliament, particularly at the Parliamentary Labour Party meeting scheduled for Monday.
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"Unconfirmed resignation talk has put Monday in focus, with Starmer’s response to the Mandelson fallout now the key driver for near-term GBP and gilt risk."
The potential outcomes of this period are varied, ranging from a strengthened position for Starmer to further complications that could lead to policy paralysis, changes within the cabinet, or a formal leadership challenge. Each of these scenarios carries implications for the stability of UK assets.
Conclusion
The financial markets are reflecting a heightened sense of caution regarding UK assets, specifically the British pound and gilts. This caution appears directly linked to the political challenges currently facing Keir Starmer. The unfolding situation, centered around the Mandelson-Epstein scandal and internal party dissent, is creating volatility and increasing borrowing costs for the UK government. The coming days, particularly the interactions Starmer has with his party, are expected to be critical in shaping market sentiment and the trajectory of UK financial performance.
Sources:
Financial Times: "Pound and gilts under pressure as leadership crisis threatens Keir Starmer"
Published: 9 hours ago
Link: https://www.ft.com/content/32614126-b836-4719-a681-acb4718e4928
Context: Provides general financial market commentary and identifies the political pressures on Keir Starmer as a key factor.
CNBC: "Pressure mounts on UK Prime Minister Keir Starmer as he 'fights for his political life'"
Published: 3 days ago
Link: https://www.cnbc.com/2026/02/05/uk-borrowing-costs-gilts-keir-starmer-peter-mandelson-epstein.html?msockid=16b52e92cf116b4627b03869cead6a67
Context: Details the specific scandal involving Peter Mandelson and Jeffrey Epstein, its impact on Starmer, and the internal party dynamics.
VT Markets: "Due to leadership uncertainty surrounding Prime Minister Keir Starmer, the British Pound and gilts have fallen sharply"
Published: 4 days ago
Link: https://www.vtmarkets.com/live-updates/due-to-leadership-uncertainty-surrounding-prime-minister-keir-starmer-the-british-pound-and-gilts-have-fallen-sharply/
Context: Directly links political uncertainty surrounding Starmer to the sharp decline in the pound and gilts, also mentioning inflation and labor market conditions.
Caliber.Az: "UK assets slide as political uncertainty mounts around Starmer"
Published: 4 days ago
Link: https://caliber.az/en/post/uk-assets-slide-as-political-uncertainty-mounts-around-starmer
Context: Reports on the pressure on the pound and gilts, the rise in government borrowing costs, and the market's assessment of Starmer's political future due to the Mandelson affair.
investingLive: "UK PM Starmer resignation rumours put Monday in focus as Mandelson scandal deepens"
Published: 10 hours ago
Link: https://investinglive.com/news/uk-pm-starmer-resignation-rumours-put-monday-in-focus-as-mandelson-scandal-deepens-20260208/
Context: Highlights unconfirmed resignation rumors, the focus on Starmer's response, and the potential market impact on GBP and gilts, including risks to fiscal momentum.
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