GBP/USD: The #1 Most Important Factor Powering Cable’s Relentless Rally

 | Feb 25, 2021 12:04AM ET

Through a global pandemic, Brexit, US political upheaval, and countless other storylines, there has been one constant in the FX market over the past 6-12 months: A relentless bid for GBP/USD.

After bottoming near 1.1500 as COVID fears peaked last March, the world’s third most-traded currency pair has rallied over 2,600 pips in the past 11 months to crack the 1.4100 handle this week.

h2 What is driving the big rally in GBP/USD?/h2

While there are myriad reasons for any market movement, the single biggest factor powering the ongoing GBP/USD rally is bond yields, or specifically the difference between short-term yields on UK gilts and US Treasury bills. As the chart below shows, yields have been rising faster on 2-year UK bonds than their US rivals, representing a combination of Brexit relief, vaccination distribution, and expectations for a near-term economic recovery: