Algorithmic pricing on Amazon 'could spark flash crash’

High-speed trading tools traditionally used on the stock market are helping to shape Amazon’s price movements

By Derek du Preez, Computerworld UK |  Software, Amazon

Sellers on Amazon's retail site are increasingly using high-speed algorithmic trading tools to automatically set
prices, which could lead to a malfunction similar to the 2010 flash crash.

According to the Financial Times, prices on
Amazon's website change as often as every 15 minutes, where sellers are using tools traditionally developed by data
miners at banks to ensure that their prices are always below their rivals'.

Third-party software is allowing sellers to detect a competitor's price and automatically undercut that price
by, for example, £1.

However, this could lead to a situation similar to the US flash crash, where algorithmic trading was blamed for
stock prices falling to near zero and then bouncing back within 20 minutes.

According to biologist Michael Eisen, unrestricted algorithms already created a situation last year whereby the
price of a genetics book, entitled The Making of a Fly, was priced at more than $23 million (£14.8 million).

However, some sellers are also creating fake accounts with extremely low prices in an attempt to automatically
pull down the price of rival products so that they can buy up their competitor's stock.

Jack Sheng of eForCity, which sells electronics on Amazon, warned of the dangerous impact algorithmic pricing
could have on the retailer's prices: "If something is mispriced down to $1, your inventory can be cleaned out in no
time."


Originally published on Computerworld UK |  Click here to read the original story.
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