Rich traders are paying for servers close to the stock exchange system in order to benefit from faster execution.
The use of such co-location services, usually associated with sophisticated institutional investors, has become more common for high net worth individuals (HNIs) in recent years, according to market participants.
Co-location is useful for those using high frequency trading algorithms.
They can execute 400,000 orders or more in the time it takes a person to blink, according to a 2016 study.
Shaving off fractions of a second from the duration it takes an order to travel to the stock exchange can provide

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