Bitcoin (BTC) approached the $100,000 threshold on Dec. 21. BTC/USD gained $7,000 in 24 hours. After falling to $92,000, it reached $99,500 at the start of the weekend. Buying pressure increased on Coinbase. Analysts noted that the 50-day simple moving average provided strong support. However, U.S. spot Bitcoin ETFs experienced net outflows of $300 million on Dec. 20.