The real gains are actually made by buying when the market is down, so it is advisable to buy now.
However, you can buy in stages, buying a portion now, and as you see the market go down further, you can buy a little more, since we don’t know how long it will fall.
Another suggestion could be to create buy orders with stop losses, and monitor them daily and update them if necessary, so that if a coin is at a certain price, you set an order to buy it at a lower cost, but if it rises to a certain price you indicate, it is purchased automatically.
Additionally, there is a topic called Top Altcoin Prediction 2024, with very valuable information about certain crypto forecasts.