币界网报道：Bitcoin (BTC) and altcoins are in a range-bound action as the market awaits further clarity on the halving event approaching. Traders may focus on Bitcoin ETFs for price direction, while analysts track historical trends to predict potential price movements. Support and resistance levels play a crucial role in determining short-term trends. This summary aims to provide an overview of the analysis conducted in the original article, which includes key levels to watch out for in various cryptocurrencies along with their likely price actions based on technical indicators.