Holy shit, just seeing the "indicators that can help us guess" gives me shivers. The person who utters that phrase is admitting to guessing with their money. Does anyone else find that as absurd as I find it? If I hire a pro to enter/exit a position, if they are guessing(with or without the assistance of indicators), I have made a very bad decision to hire them.
Perhaps you and I have different definitions of the a word 'guess'. To me, it includes 'Making a logical estimate based on available evidemce'. Every investment decision is a guess.
this is the dangerous part. No, they can't, even though it seems like they could. If they could, they would be used by people to make money and deflate the bubble that would have caused the crash in the first place. That's the theory, anyway