Effects of End-of-Day Trading
Effects of End-of-Day Trading
In this Finance survey: Stock markets around the world have seen an increasing concentration of trades in or near the closing auction. In the US, for example, about a third of all S&P 500 stock trades are now executed in the final ten minutes of the session, up from 27% in 2021 (a) The increased concentration of trading in the final minutes of the trading day has a measurably detrimental effect on market quality; (b) Strict indexing implemented with trading at the close to avoid tracking error creates a measurable performance drag that could be avoided with more flexible passive strategies