Recent steepening in the U.S. yield curve is not just due to domestic factors. Fiscal uncertainty in Japan is pushing Japanese Government Bond (JGB) yields higher, making U.S. Treasuries less attractive on a currency-hedged basis for global investors, thus pushing long-term U.S. yields up.

While market focus is on geopolitics and Bank of England rate expectations, upcoming local elections could trigger a leadership contest. This may reintroduce a domestic political and fiscal risk premium into the swap spread curve, shifting the market's primary focus away from current global drivers.

Increased political noise around a potential leadership challenge for the UK Prime Minister is creating a risk premium in the market. A poor performance by the Labour party in a specific upcoming by-election could accelerate this challenge, leading to further underperformance of UK gilt yields versus German bunds.

A recent global fixed income sell-off was not triggered by a single U.S. event but by a cascade of disparate actions from central banks and data releases in smaller economies like Australia, New Zealand, and Japan. This decentralized shift is an unusual dynamic for markets, leading to dollar weakness.

A major shift in market technicals has occurred, with overseas investors becoming the dominant buyers of US corporate debt. Their share of net inflows jumped from a historical average of one-third to 45% in early 2024, providing a powerful tailwind for the asset class.

Global diversification away from the US dollar, accelerated by geopolitical tensions, is creating structural demand for Eurozone Government Bonds (EGBs). This acts as a buffer, making Euro area term premia less reactive to global rate sell-offs in markets like the US and Japan, a trend expected to continue.

Uncertainty around the 2026 Fed Chair nomination is influencing markets now. The perceived higher likelihood of dovish candidates keeps long-term policy expectations soft, putting upward pressure on the yield curve's slope independent of immediate economic data.

Germany's finance agency signaled it would adjust debt issuance in response to a steepening yield curve. This sensitivity acts as a structural anchor on intermediate-term yields, creating a potential outperformance opportunity for German bonds versus US and UK debt, which face greater fiscal pressures.

The knee-jerk reaction to a geopolitical shock is often a bond market rally (flight to safety). However, if the shock impacts supply (e.g., oil), the market can quickly reverse. It pivots from pricing geopolitical risk to pricing the risk of persistent inflation, forcing yields higher in anticipation of rate hikes.