While the prediction page is still at page 1 and you have more time to give your prediction, you can analyze more to give the bitcoin price as your prediction. You can consider this prediction as fun but do not have a big expectation to win because we will have many rivals that are ready with their predictions. Moreover, the previous people will also join in this prediction.
Predict price of Bitcoin is a very difficult task and most interesting one too. Interesting because if you predict it correctly, you will feel you are like genius BUT in fact you are not.

You commented right that we should not think we can predict its price correctly and go to use all money for Futures trading, Leverage tradings or Gambling. Mostly our predictions are wrong and will not give us happy trading and gambling.
Maybe not feeling like genius when you predict correctly the price of bitcoin until deadline, but rather feel blessed because for so many participants drop their prediction on the contest you are the lucky one who win on the contest because you hit the right price according to the timeline set on the said contest.
Hard to think about getting the price right because we might get stressed out by the movements of the market so better enjoy the contest flow and see also sentiments of the participants about what the price they think bitcoin could reached.