Quote from MarkBrown:
i have actually manipulated price action successfully in the past at one time i had over a millon people following a system that i published trades hourly. it dawned on me one day when someone asked the question which changed my life. that question was - do you know in advance what the trade will be prior to posting it? then i got it. i became a vampire trader taking what i needed but not killing my prey.
this only works if you help others cumulatively make more money than you take so everyone can survive. help others and you help yourself. now consider that most everyone can not come up with one successful method to give away let alone create a parallel system that feeds off it. there are many institutions using systems i have written and so nothing will change unless they stop making money so who cares.
it is much easier to trade a system against a well working system then it is to trade against the market. large institutions are like a goose and i am a hummingbird.
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You mentioned earlier profiting off the slippage caused by turtles entering into their trades. It sounds here as if you're talking about something similar: publishing a working method that causes slippage and then designing a counter-trade system that exploits that.
Am I misreading? Interesting idea. Not something I'd try to do (sounds like it'd decay quickly), and it might raise a few regulatory eyebrows, but interesting all the same.