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Re:Goldman Sachs is spending $100M to shave milliseconds off... by raxxorrax on Friday August 02, 2019 @07:52AM (#20592289)
If nobody has the whole picture, how can we be sure if it's beneficial?

edit: Or asked differently: What do we have now with high frequency trade established compared to the situation before?

Re:Goldman Sachs is spending $100M to shave milliseconds off... by growse on Friday August 02, 2019 @09:50AM (#20592871)
It's enormously cheaper to do business on markets nowadays. Back in the old days, spreads were sometimes multiple dollars on human-made markets with a lot of inventory.

With HFT, people compete to offer the best market, and spreads are in the pennies.