What is the mechanism by which a stock goes up or down by the second?
In: 7
stocks are traded every second. there are thousands of people trading them, and some bots too. They submit a bunch of bids, then exchange’s algorithm matches them up and determines the price.
in fact, it happens several times per second. I remember hearing that traders based in Chicago complained that they get 0.2s lag compared to traders based in New York.
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