I did not understand your last paragraph, can you elaborate a little more. Do you mean the counterparty stop caring or the retail trader gives up?...
If something is consistently profitable, i would say its an edge. Who is changing the game? On top of my head i am thinking HFT market making...
Hypothetically speaking if you have an intraday edge in large caps stock and futures, that trades market orders only. How can it disappear. Is it...
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