US spot Bitcoin ETFs recorded $144.67 million in net outflows on Monday, ending a five-day inflow streak. Bitcoin (BTC) is struggling below $64,000 at the time of writing on Tuesday as rising oil prices and uncertainty surrounding the US-Iran negotiations weigh on market sentiment. US spot Bitcoin exchange-traded funds recorded net outflows at the beginning of the week, ending a five-day run of positive flows. Concerns about prolonged disruption have pushed oil prices higher while pressuring risk-sensitive assets such as Bitcoin. Expectations of another Federal Reserve rate increase have strengthened alongside the rally in oil prices.