075: Dan Aisen – The Mechanics of a Dark Pool, and a Quest to Make Markets “Fair” w/ IEX Co-Founder
Chat With Traders
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How Much Volume Is Traded in a Dark Pool?
All dark pools and exchanges are all covered under the main regulation in the US, which is Reg NMS. All trades have to happen within the best bid in the best offer across the market. So yes, they all trade in line with each other. It's not that every single trade happens at the exact same price all the time, you know, over a period of time,. But in a liquid stock, that range is a penny. Yeah. Okay. How much volume is traded in dark pools? I think it's something like 60% of the volume happens on exchanges. And then on dark pools, I believe it's somethinglike 15 or 20% of the market trades in dark
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