The 10-year Treasury yield is the most important single interest rate in the world. It is the benchmark from which mortgage rates, corporate bond spreads and equity discount rates are all derived — which means movements in the 10-year have direct, immediate effects on asset valuations across every market. When the 10-year yield rises, it increases the discount rate applied to future cash flows, compressing the present value of equities and raising mortgage costs for homebuyers simultaneously. When it falls, valuations are supported and borrowing becomes cheaper. The 10-year is driven by two fundamental forces: expectations of where the Fed will have short-term rates over the coming decade, and the term premium — the extra yield investors demand for lending for a long period rather than rolling over short-term instruments. A rising term premium signals that investors are becoming more uncertain about the long-term inflation and fiscal outlook. Foreign central bank buying of Treasuries as reserve assets has suppressed the 10-year yield relative to domestic fundamentals for decades. For investors, the 10-year Treasury yield is the essential context for every valuation discussion — its absolute level and the direction it is moving define whether the environment is supportive or challenging for risk assets.
