There is nothing more costly for a stock broker than executing a wrong trade on the exchange floor. Thanks to electronic trading, buying and selling of shares can now be carried out in a fraction of the time it used to take such transactions on the trading floor. And herein lies the problem.
The fast trading speeds in the fast paced trading environment coupled with the pressures of stock trading has caused many a traders to err in their executions. With the Nairobi Stock Exchange's move to electronic trading, it is just a matter of time before the curse of the fat thumbed trader rears it's ugly head in Nairobi. Despite the rigorous controls that are in place to mitigate erroneous trading transactions, there is no known system that can fully protect dealers from trading too much or too high a price for a given stock.
Here are the top 10 most expensive, most embarrassing and most ludicrous fat finger trades compiled by Financial News Online.
1) £80 billion Swiss order leaves UBS red-faced (January 1999)
A careless UBS equity specialist executed the world’s single biggest share trade when he bought and sold nearly Swiss fr190 billion (£80 billion) of stock in Swiss pharmaceuticals company Roche in two minutes. The group’s market capitalization was only Swiss fr130 billion.
The trader entered a sell order for 10 million shares on the Swiss Exchange, despite there being only seven million shares in issue. The order sat on the order book for nearly two minutes before he realized his mistake, when he entered a buy order to execute the trade. The commission on the trade would have been worth £160 million.
2) A bad workman blames his keyboard (October 1998)
An incident that involved Salomon Brothers selling 10,000 futures contracts on French derivatives exchange Matif and losing several million dollars drove it to demand an independent audit to investigate faulty hardware or software. The audit revealed the error had been caused by a trader leaning his elbow on his keyboard’s F12 button, the “instant sell” key. This meant Salomon had entered an order for 14,500 contracts in the 10-year French government bond, of which 10,000 were met by counterparties. Salomon was thought to be considering action against its software suppliers, GL, for not supplying an up-to-date version of its software.
3) The LSE’s biggest order (February 2001)
The LSE had to cancel its biggest trade in history after a clumsy trader placed an order for £8.1 billion (€11.8 billion) worth of shares in Autonomy. It represented nearly four times the share capital of the UK software company. One source said: “You can bet the LSE is going to drop like a few tons of bricks on one poor firm.” The order was described by an LSE source as “clearly an inputting error” and was cancelled almost as soon as it hit the order book once the LSE’s systems automatically spotted the anomaly.
4) Trainee costs Mizuho $224 million (December 2005)
Japan’s Mizuho Securities was left looking sheepish after a 20-year-old trainee, who had been with the bank for two weeks, started inputting trades and ordered 610,000 shares in J:Com, a Japanese telecommunications outsourcer, at ¥1 each. The order should have been for one share at ¥610,000. Mizuho made four unsuccessful attempts to cancel the trade on the Tokyo Stock Exchange. The mistaken order represented 41 times J:Com’s outstanding stock, caused a 2% slump in the Japanese market and the bank lost $224 million. Some of the banks involved agreed to return the erroneous capital but several kept the money.
5) A schoolboy error (September 1997)
LSE staff were puzzled when a firm entered three buy orders within an hour for 989,529 shares Zeneca shares. The orders were worth a combined £21 million, or three times normal market size at the time. When the LSE queried the order, it was discovered the trader had entered Zeneca’s Sedol number, the six-figure code used by the exchange to identify stocks, instead of the volume. Assuming the trader had intended to buy Zeneca at its normal market size, his error would have cost £60 million.
6) Lehman Brothers fingered (May 2001)
A Lehman Brothers dealer in London wiped £30 billion (€44 billion) off the FTSE 100 in 2001 when he ordered sales of shares in blue-chip companies, such as BP and AstraZeneca, that were 100 times larger than intended. He keyed in £300 million instead of £3 million for a trade, causing a 120-point drop in the index and a £20,000 fine for Lehman Brothers.
7) Oops! Citigroup did it again (January 2006)
Citigroup was investigated by the UK Financial Services Authority for the second time in 18 months after a trader at Nikko Citigroup intended to buy two shares in Nippon Paper at ¥502,000. Instead he input an order for 2,000 shares. Nikko Citigroup’s compliance division mistakenly approved the trade, thinking the shares were worth ¥500. This took place soon after Citigroup lost its private banking license in Japan after regulators found the bank had failed to prevent money laundering. Charles Prince, chief executive, flew to Japan to apologize for the bank’s wrongdoing.
8) Bear sends markets plunging (October 2002)
A trader at US bank Bear Stearns was blamed for a 100-point fall in the Dow Jones Industrial Average after he entered a $4 billion sell order instead of a $4 million order. More than $600 million of stock changed hands before the mistake was detected and was blamed for much of the day’s 183-point slump in the index, according to sources. Bankers said: “You can put in one extra zero by accident but to put in three extra zeros is three fat fingers and that’s pretty stupid.”
9) Heads up at Bank of America (September 2006)
Not so much wrong-fingered as wrong-balled. A Bank of America trader’s keyboard was set up to execute an order when the senior trader gave the signal – he just had to press enter. However, he failed to notice an errant rugby ball thrown in his direction, which landed on his keyboard and executed the $50 million trade ahead of schedule. The ball thrower, a graduate trainee, was given a severe reprimand but no further action was taken. Another trader said: “Rugby balls are a regular danger on any trading floor so the victim trader ought to have hedged against this possibility.”
10) UBS Warburg is made to look sheepish (December 2001)
A UBS Warburg trader selling 16 shares in Japanese advertising giant Dentsu at ¥600,000 (€3,900) each sold 610,000 at ¥6, hours before UBS Warburg was set to lead Dentsu’s float, one of the year’s biggest initial public offerings. The order was cancelled but not before 64,915 shares, almost half of the 135,000 shares in the Tokyo listing, had been sold. The price of Dentsu shares, which had been bid up to ¥600,000 before the market opened, fell to ¥405,000. UBS Warburg kept its book running position but lost up to $100 million when it was forced to buy the shares it sold.