A flood of bond issuance from large technology companies has raised borrowing costs in three foreign currency markets: Canadian dollars, Swiss francs, and sterling. A bond is a loan a company takes from investors by selling a fixed-income instrument that pays regular interest over a set period. Amazon and Alphabet are among the companies driving the wave.
What happens when supply floods a credit market
When a concentrated group of very large issuers brings a high volume of new bonds to market at once, investors hold the advantage. They can demand higher yields, meaning higher interest payments per unit borrowed, before agreeing to buy. Those higher yields raise costs for the issuers themselves and set the new benchmark for every other borrower working in that same currency at the same time.
The companies behind this particular wave are called hyperscalers. The term applies to the small group of US technology companies, Amazon and Alphabet among them, that operate cloud computing infrastructure at a global scale. Their AI-related borrowing has been large enough to move prices in Canadian dollar, Swiss franc, and sterling credit markets.
The effect on other borrowers in those markets is direct. A Canadian corporation coming to market for a bond sale, or a British company issuing sterling debt, prices against whatever yield level the market has already established. When hyperscaler supply has pushed yields up, that is the level every subsequent borrower faces.
The volume and pace of issuance have been enough to reprice credit simultaneously across three separate currency markets. A gradual accumulation of supply tends to be absorbed without sharp moves. A fast, concentrated wave is what pushes yields higher in Canada, Switzerland, and the United Kingdom at the same time.