【best crypto paper trading and backtesting tool for portfolio rebalancing】

U.S.listed spot bitcoin ETFs ended March with $1.32 billion in net inflows to record their first monthly inflows since October,best crypto paper trading and backtesting tool for portfolio rebalancing SoSoValue data shows.\n\nThis follows four consecutive months of net outflows, which coincided with bitcoin declining by as much as 50% from its October all time high of $126,000. November saw $3.5 billion in outflows, followed by $1.1 billion in December, $1.6 billion in January, and $206 million in February.\n\nMarch also marked bitcoin’s first positive monthly candle in six months, suggesting a potential shift in momentum.\n\nETF assets under management have remained relatively resilient, however. Holdings declined from 1.38 million BTC in October to a low of 1.28 million BTC, a drop of roughly 7%, and have since recovered to around 1.31 million BTC, according to CheckonChain.\n\nETF investors remain underwater on average, with an estimated cost basis near $84,000 compared to a current spot price of about $68,000.