The spot Bitcoin ETF $IBIT has outperformed the gold ETF $GLD by 33 percentage points since March, according to Eric Balchunas, Senior ETF Analyst at Bloomberg. During this period, $IBIT recorded net inflows of $4.2 billion, while $GLD saw net outflows of $9 billion, resulting in a combined fund flow gap of $13 billion. This performance highlights the growing investor interest in Bitcoin over traditional assets like gold.