Why Same-Day Settlement Is The Next Big Challenge

InnovationWhy Same-Day Settlement Is The Next Big ChallengeBySharat Priya,Forbes Councils Member.for Forbes Technology CouncilCOUNCIL POSTExpertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. | Membership (fee-based)May 18, 2026, 08:00am EDTSharat Priya is a Senior Manager in EY’s U.S. Wealth & Asset Management Technology practice, leading wealth platform modernization. gettyYou’ve probably sent money through Venmo or Apple Pay and seen it land instantly. The balance updates before you even lock your phone.Now compare that to buying a stock. The trade itself happens in milliseconds, but the actual exchange of cash for shares doesn't happen until the next business day. Not long ago, it took two.The gap between when a trade happens and when it officially settles is one of the longest-standing inefficiencies in financial markets. While most of finance has moved toward real time, stock settlement has only just reached T+1. The next step is T+0, or same-day settlement, and getting there is far more complicated than it sounds.​Why Settlement Speed Actually MattersSettlement timing isn't just a technical detail; it has real consequences.Every extra day between execution and settlement is a day when something could go wrong. A counterparty could default. A firm could run into liquidity issues. Markets could move sharply. Shrinking that window from T+1 to T+0 cuts risk from a full day down to just a few hours. That's a meaningful improvement in overall market safety.There's also a capital angle. Institutions hold large reserves, margin, clearing deposits and other buffers to protect against unsettled trades. Faster settlement means those buffers can shrink, freeing up capital for other uses. When the U.S. moved from T+2 to T+1 in 2024, it unlocked around $3 billion. T+0 could push that even further.Then there's competition. Crypto markets can settle in seconds, and a new generation of investor...