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until words can be quantified, you're not going to get much proof of this. the closest to it would be negativity/positivity associates with players in a market.
then you're going to have to give some kind of quality score to the source of the info. and measure that against any perceived price change and do it over thousands and thousands of high volume markets to sieve out coincidences. have you read of any proof that there's an 'effect'? IMO it would be minimal. There were 'tipsters' before social networks but I'm guessing you're posing a question that doesn't really consider tipsters. the closest thing I can think of that has a correlation to this idea is shares boiler rooms that were spamming particular companies to the extreme, hoping for an uptick of a couple of percent to dump shares. in summary, I think it hugely depends on the source of the information which is really up to the discretion of the punter to act upon. more likely that prices are distorted by bots and the price movements themselves. |