US-based spot Bitcoin exchange-traded funds (ETFs) have extended their outflow streak to five days as crypto market sentiment continues to wane. Spot Bitcoin (BTC) ETFs posted $103.5 million in net outflows on Friday, continuing an outflow streak that began the previous Friday. Over the five days, including the four-day trading week in the US shortened by Martin Luther King Jr. Day on Monday, total outflows reached approximately $1.72 billion, according to Farside data. The spot price of Bitcoin is $89,160 at the time of publication, having not been above the…