State Street (STT) Q3 2026 (USD): EPS 3.69 (exp. 3.68), Revenue 4bln (exp. 4.03bln), NII 864mln (exp. 854.1mln)

A headline EPS beat alongside a slight revenue miss is a familiar pattern for the custody banks, where the print tends to be judged less on the top line than on net interest income and fee momentum, and here the NII line beat with guidance for the full year nudged higher at the top end. For balance-sheet-driven custodians, NII has historically been the swing factor, sensitive to deposit mix, rate expectations embedded in the curve, and the pace at which clients reallocate cash, so an upward revision to that line usually carries more weight with the peer set than a small revenue shortfall, particularly where the miss sits in market-sensitive servicing or FX revenue rather than in fees. State Street in past cycles has tended to trade on the interplay between NII trajectory and expenses, with the follow-through questions on conference calls typically focused on deposit beta assumptions, securities portfolio reinvestment yields, and buyback capacity. Worth noting next is management commentary on the call around deposit trends and fee pipelines, plus how peers in the custody complex report, since read-across within that group has historically been tight. The pattern in comparable prints has been an initial move on the headline beat, with the durable direction set once the NII guidance and deposit detail are digested.