14 Jan '13, 8pm

IT Hiccups of the Week: BATS Global Long-hidden Programming Errors

It’s been another relatively quiet week on the IT glitch front. We start off, again, with news of errors involving a stock exchange—this time ones that have avoided detection for four years before being discovered. BATS' Undiscovered Errors According to Bloomberg News , BATS Global Markets, the third-largest U. S. stock exchange, announced on the 9th of January that it had discovered during internal system audits two situations where “its computers allowed trades that violated [U.S.] rules intended to ensure all investors get the best prices for equities .” In one case, a programming error in BATS’ Matching Engine that matches “orders for two Bats equity exchanges and an options venue allowed some trades to occur at prices inferior to the best available bid or offer.” In the second case, another programming error allowed short sales that violated trading rules. You can rea...

Full article: http://spectrum.ieee.org/riskfactor/computing/it/it-hiccu...

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