Stock exchange technology problems

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The Wall Street Journal reported this morning that the NYSE’s Arca exchange, which hosts the trading of more than half of the exchange-traded funds (ETFs) listed in the US, suffered a “glitch” at the end of trading yesterday. All live orders were cancelled, and a “backup method” was used to determine settlement prices.

Why is this interesting? In part because of the lack of information. The NYSE is not disclosing details about why the system failed. Either this is because they don’t know (disconcerting in this day of electronic information) or because they’re trying to figure out how to spin it (which could mean that it’s more complicated than just a simple “glitch”).

It’s also interesting given recent progress made in blockchain applications for trading and settlement of securities.

The NYSE is not as deeply invested in blockchain exploration as other exchanges (notably the Australian Stock Exchange, Nasdaq and Deutsche Börse). It is an investor in cryptocurrency exchange Coinbase, although the exchange’s interest in bitcoin seems to be limited to the index it launched in 2015. Nor is it one of the more technologically advanced exchanges. Bats, for example, has a better reputation on that front.

Maybe what happened yesterday will underline the need for a more robust, transparent solution. Maybe this will affect the scope of the resources thrown at the problem. Maybe the end result will be a blockchain platform, or maybe not – either way, we will likely end up with answers to questions we haven’t even asked yet.

 

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