In February 2025, the UK’s Accelerated Settlement Taskforce (AST) published its long-awaited T+1 Settlement Plan, signalling the country’s intent to shift to a one-day settlement cycle by 11 October 2027. While that date may appear comfortably distant, the reality is that the path to T+1 is likely to be far more complex than the US transition that happened last year, writes Kaisha Schnoll, vice president, trade settlements at STP Investment Services.