Robo-trading: the superfast stockbroking strategy that affects your retirement funds

Advocates of HFT argue that it provides additional liquidity and so narrows the gap between buying and selling prices. Yet when market conditions turn adverse, HFT firms can switch off their robo-traders and then liquidity vanishes – as we saw in the “fla

The image of a crowded trading floor with brash young stockbrokers shouting into telephones has ceased to be representative of how most financial assets are traded. Most of today’s trading has migrated from trading floors to virtual electronic exchanges. The benefits include a more efficient system, because they provide liquidity and transparency, and also better price execution. However, in the past few years, an insidious new trend, “high-frequency trading” (HFT), has developed and is spreading stealthily.

A few critical factors explain the rapid development of HFT: the increase in computing power available to investment banks and trading firms, for example, and the deregulation of many stock exchanges in the United States and Europe.

HFT firms employ smart programmers to develop algorithms that can assess market conditions and enable computers to issue thousands of buy and sell orders automatically in less than a second. In this world, speed is everything. Certain exchanges are renting space to trading firms to allow them to locate their computers as close as possible to the exchanges, in order to reduce what is known as “latency”.

In another effort to obtain a speed advantage (of roughly six milliseconds), a dedicated transatlantic cable is being laid to connect London with New York.

Some exchanges are also selling real-time price information to the HFT firms, allowing the latter to obtain prior knowledge of order flow. This enables them to place buy or sell orders ahead of the average individual or institutional investor. (This is analogous to being in a line to buy tickets for the theatre and, as you approach the front of the queue, a tout appears ahead of you to buy the last ticket for, say, £30, then immediately sells it to you for £35.)

These speed and information advantages allow HFT firms to reap millions of dollars of low-risk profits by, in effect, “scalping” pennies off each trade. Because of the huge volume of trades, this adds up to billions of pounds overall.

So what does this mean for you and your retirement funds? Advocates of HFT argue that it provides additional liquidity and so narrows the gap between buying and selling prices.

Yet when market conditions turn adverse, HFT firms can switch off their robo-traders and then liquidity vanishes – as we saw in the “flash crash” of 6 May 2010, when the US market fell by 9 per cent in minutes. Even in normal market conditions, the algorithms used by HFT can increase the volatility of stock prices, which in turn affects the price for those investing your pension money.

What can be done? One simple idea is to limit trading firms’ ability to buy and sell in time increments of less than a second, or to impose a tax or tariff on trades that are held only for such a short time frame.

What is certain is that if nothing is done, pensioners who have saved all their working lives will lose out to the robo-traders that determine most of the current action in the stock markets.

Most financial assets are handled in a very different way to this nowadays. Image: Getty

This article first appeared in the 17 October 2013 issue of the New Statesman, The Austerity Pope

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Beware, hard Brexiteers - Ruth Davidson is coming for you

The Scottish Conservative leader is well-positioned to fight. 

Wanted: Charismatic leader with working-class roots and a populist touch who can take on the Brexiteers, including some in the government, and do so convincingly.

Enter Ruth Davidson. 

While many Tory MPs quietly share her opposition to a hard Brexit, those who dare to be loud tend to be backbenchers like Anna Soubry and Nicky Morgan. 

By contrast, the Scottish Conservative leader already has huge credibility for rebuilding her party north of the border. Her appearances in the last days of the EU referendum campaign made her a star in the south as well. And she has no qualms about making a joke at Boris Johnson’s expense

Speaking at the Institute of Directors on Monday, Davidson said Brexiteers like Nigel Farage should stop “needling” European leaders.

“I say to the Ukip politicians, when they chuckle and bray about the result in June, grow up,” she declared. “Let us show a bit more respect for these European neighbours and allies.”

Davidson is particularly concerned that Brexiteers underestimate the deeply emotional and political response of other EU nations. 

The negotiations will be 27 to 1, she pointed out: “I would suggest that macho, beer swilling, posturing at the golf club bar isn’t going to get us anywhere.”

At a time when free trade is increasingly a dirty word, Davidson is also striking in her defence of the single market. As a child, she recalls, every plate of food on the table was there because her father, a self-made businessman, had "made stuff and sold it abroad". 

She attacked the Daily Mail for its front cover branding the judges who ruled against the government’s bid to trigger Article 50 “enemies of the people”. 

When the headline was published, Theresa May and Cabinet ministers stressed the freedom of the press. By contrast, Davidson, a former journalist, said that to undermine “the guardians of our democracy” in this way was “an utter disgrace”. 

Davidson might have chosen Ukip and the Daily Mail to skewer, but her attacks could apply to certain Brexiteers in her party as well. 

When The Staggers enquired whether this included the Italy-baiting Foreign Secretary Johnson, she launched a somewhat muted defence.

Saying she was “surprised by the way Boris has taken to the job”, she added: “To be honest, when you have got such a big thing happening and when you have a team in place that has been doing the preparatory work, it doesn’t make sense to reshuffle the benches."

Nevertheless, despite her outsider role, the team matters to Davidson. Part of her electoral success in Scotland is down the way she has capitalised on the anti-independence feeling after the Scottish referendum. If the UK heads for a hard Brexit, she too will have to fend off accusations that her party is the party of division. 

Indeed, for all her jibes at the Brexiteers, Davidson has a serious message. Since the EU referendum, she is “beginning to see embryos of where Scotland has gone post-referendum”. And, she warned: “I do not think we want that division.”

 

Julia Rampen is the editor of The Staggers, The New Statesman's online rolling politics blog. She was previously deputy editor at Mirror Money Online and has worked as a financial journalist for several trade magazines.