T+1 settlement change challenges historic trading behaviour

The technology exists to shorten trade settlement times, yet challenges exist to shift norms away from extant systems. It can be built; better, stronger, faster. Stalwarts urge a trading settlement system better than it was, by changing to T+1 from T+2. New attention shone on crafting a trade settlement after the 2020 meme stock periods of volatility that roiled markets.     When higher margin amounts must be posted for trades, settlements take longer, the thinking goes, and cap