FTSE 100 drops as two-year gilt yields surge past 4.5% on rate hike fears

The Quick Take

• FTSE 100 fell into the red Wednesday as investors reassessed monetary policy expectations after a steep bond market sell-off
• Two-year gilt yields jumped above 4.5%, raising short-term borrowing costs and tightening financial conditions for UK households and businesses
• The bond market move signals that markets are pricing higher-for-longer rates in the UK, compressing equity valuations across rate-sensitive sectors

London's FTSE 100 index declined Wednesday as investors rapidly reassessed monetary policy expectations following a steep sell-off in the UK government bond market that pushed two-year gilt yields above 4.5%. The two-year gilt yield is the primary barometer of short-term interest rate expectations in the UK, and its jump above the 4.5% threshold signals that bond traders are pricing in either additional Bank of England rate hikes or a sustained higher-for-longer rate environment. The repricing compressed equity valuations across rate-sensitive sectors including real estate, utilities, and high-debt corporates that rely on cheap financing.

A gilt yield above 4.5% on the two-year note materially raises borrowing costs for UK households with variable-rate mortgages and for companies refinancing short-term debt, creating a broad-based squeeze on consumer spending and corporate margins. Banks face a nuanced impact: higher short-term rates initially boost net interest margins, but sustained rate pressure that triggers mortgage defaults and corporate loan losses eventually turns negative for the sector. Housebuilders, which depend on affordable mortgage availability to drive sales volumes, are particularly exposed to the dual pressure of higher borrowing costs and potential buyer demand destruction.

Investors should watch upcoming Bank of England meeting minutes and Governor Bailey's public remarks for signals on whether the MPC views the yield spike as market-driven or evidence of persistent inflation requiring another hike. The UK CPI trajectory — particularly services inflation, which has been stickier than goods inflation — is the key determinant of whether the BOE has more work to do on rates. Any improvement in UK inflation data toward the 2% target would allow the BOE to hold and could catalyze a gilt yield pullback that would relieve equity market pressure in rate-sensitive sectors.

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