Do fears over algo trading add up?
Whether by stealth or by design, trades by algos - the new breed of investors who trade using superfast computers and complicated mathematical programs - now make up a big portion of the trading activities on the stock market. Data furnished by the Singapore Exchange shows that on an average trading day in the second half of last year, algos were involved in as much as 34 per cent of the daily stock turnover. A further breakdown shows roughly two-thirds of these trades performed by algos were with institutional investors, while the rest were with retail investors. It is also interesting to note that unlike huge markets such as New York, where a big proportion of trades is executed by computers competing against other computers, direct trades between algos are relatively insignificant here - accounting for only about 4 per cent of trading activity. In particular, some of them offer other investors an opportunity to get in and out of stocks easily with their continual...