$BTC Bitcoin has regained strength after the recent volatility, bouncing back from a local low of $100,372 to trade above $107,500. The 4-hour chart shows a bullish retracement with increasing volume and solid green candles surpassing the 5-day and 10-day moving averages. Resistance near $108,800 is the next key level to watch, while support is forming around $106,500.