Bitcoin traded near $77,300 on Wednesday as investors stayed cautious ahead of the US Federal Reserve decision. ETF outflows and macro uncertainty weighed on sentiment, while analysts say the market remains range-bound between key support and resistance levels.Bitcoin traded near $77,300 on Wednesday as investors stayed cautious ahead of the US Federal Reserve decision. ETF outflows and macro uncertainty weighed on sentiment, while analysts say the market remains range-bound between key support and resistance levels.