What does the map with blue and red dots show?

MIT researchers worked out the physical locations to minimize network latency between a trading system (the small blue dots) and principal exchanges (the big red dots).  The graphic is also a good visualization of the extent and integration of global financial markets.

Wissner-Gross and Freer,”Relativistic Statistical Arbitrage,” Physical Review E 82, 056104, 2010.  Figure 2.

 

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