Bitcoin Trades Near $70K on March 21, 2026 as ETF Flows Turn Choppy

On March 21, 2026, Bitcoin hovered around the $70K level after a late-February selloff tied to U.S.-Iran tensions and a subsequent rebound of more than 10% from the lows. March ETF activity stayed volatile, with a -$349 million combined outflow reported for March 6, while select inflow days favored BlackRock's IBIT. Technically, BTC retook the 50-day SMA as RSI and MACD shifted toward a more constructive setup, while $65K was highlighted by a trader as a key downside marker.