$BTC 📊 March 20 Big Bitcoin Market Analysis & Strategy BTC 🪙: Short-term oscillation near the middle band of Bollinger Bands shows strength. Current price is 70493.0, with the Bollinger Band lower band (69847.3) as short-term support and middle band (70215.2) as key support; MACD golden cross continues with moderate momentum, overall in a low-level oscillation recovery with bullish bias. If price holds steady above the middle band at 70200 and moves upward, it will test the upper band at 70583. After breaking through, upside space opens, targeting the 71000-71500 range; if it falls and brea