Halving events have frequently been associated with increase in price of bitcoin with significant upward momentum both before and after halving. Bitcoin halving often generate increased market attention and hype. Expectation of lower supply and likely price increase may fuel positive feelings amongst investors and traders.
Well I can boldly tell you that no one actually knows the correct answer to that question and answers you will get are speculation on stats gather from previous halving event which if you ask can be close to the desired answer. The halving period comes with so many drama and so many investor are currently waiting for the halving to come and go and to see if there is actually going to be a significant rise to the price.
If you already experienced the previous halving, you will know that there is a sudden change in its price trend and it is incredibly increasing. There is no drama to see other than people are expecting bullish after halving.
Investors are holding and are excited for the next halving because they believe that they could see Bullrun and ATH. Experienced investors and traders already know and have that kind of insight because that is what happened in the past, and this will happen again and again.