All the users don't have to use such a rigid "I'm not changing my position!" stance in order to function. By focusing on making money, users will have more to invest which should move the aggregate prices closer to reality.
It's not every user's responsibility to keep the price of a stock at a certain level, so don't get all preachy when people play differently. The market will be accurate as long as each player looks out for themselves, not by chastising users for selling when you're long on it.
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It's not every user's responsibility to keep the price of a stock at a certain level, so don't get all preachy when people play differently. The market will be accurate as long as each player looks out for themselves, not by chastising users for selling when you're long on it.