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musings and one liners

Market Data’s Dirty Little Secret

Market Data’s Dirty Little Secret:

In addition to spending enormous sums to buy data, market participants also face a less talked about cost: frequent exchange-driven changes to the feeds.

“It takes all the running you can do to keep in the same place. If you want to get somewhere else, you must run at least twice as fast as that!”

Why we need market data providers? That’s why!


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