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I do think it will increase. I could be wrong but that's what I think. I think many thought it would happen overnight. Let's see what it looks like in a couple years.
It can only go two ways. I dont think you are wrong, I think it will also increase over time. I dont know exactly which etf will, but eventually one will rule them all.
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not necessarily. for example there are multiple s and p etfs. SPY used for trading and then each brokerage has their own
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