As the Bitcoin holders become more nervous (well, agitated) with the H-day getting closer (fear, uncertainty, doubt), we should expect even greater price swings overall with exuberant buying followed by capitulated selling...
And back again (to the new highs and, what's more likely, lows)
Panic buying will not happen to day even if the price is expected to rise after the halving, this is due to the current price of bitcoins that is really expensive and you cannot earn much if you don't have a good capital to invest.
have enough capital to invest which could become potential whales. They could buy a fuck ton now, and maybe dump after halving.