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Re:Another 1.3M Americans File for Unemployment by option on Thursday July 16, 2020 @11:44AM (#23860140)
“ only takes a small number of real humans doing unusual trading activity for markets to move” - WHAT? Link? Proof? Obviously false unless “small number of people”=folks like Buffet
Re:Another 1.3M Americans File for Unemployment by derivagral on Thursday July 16, 2020 @01:34PM (#23861425)
I think the concept is similar to how BTC (and other crypto) have major price fluctuations that get reported and acted on via liquidity from a vanishingly small proportion of the actual total BTC. There's reasons, differences, nuance, etc, but I think that's where the thought starts.

If most capital is in rarely-traded funds (I think 90-95% are passive?) then by definition those last 10%-5% active investors are going to set the market, at least in the general day to day.