SEBI bars NSE in Co-location Case

  • On 1st May, 2019, Securities and Exchange Board of India (SEBI) barred National Stock Exchange (NSE) from accessing the securities market for a period of six months in co-location case.
  • The case pertains to complaints made in 2015 that the NSE gave preferential access to some co-location clients, thereby giving them a trading advantage.

How Co-location works?

  • The claim revolved around the NSE’s tick-by-tick (TBT) architecture, in which each tick contains data pertaining to a market event. These ticks are disseminated to NSE members through servers co-located on the NSE’s premises.
  • The TBT system sent ticks to NSE members sequentially, rather ....
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