The basic market price determinants are demand and supply. Scarcity doesnt directly affect the market value, it affects the supply which reflects in the market price. Demand also has a role, and except theres a reciprocal increase in demand, bitcoin halving wouldnt boost the bitcoin price.
btc halving is only an event but events like this affects the decision of people to buy or sell therfor id say that they still have an impact on the price . 90k usd is a good price and who wouldnt want that ? but lets also consider the state of btc right now . btc just stoppped growing . and becomes unstable again . this is not good and it could be a sign of something . maybe whales are on the move again to dump the price , you know whales loves to disrupt the price sometimes .