关键信息：混合型ETF资金流向；矿工损失；国家层面的比特币动向；链上数据增加8.8万

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Spot Bitcoin (BTCUSD) ETFs saw multi-day net outflows of about $94–$125M. FBTC and ARKB led outflows; GBTC shed ~$11M. BlackRock’s IBIT saw ~$40M inflows amid a crypto rally.
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Morgan Stanley’s spot Bitcoin ETF (MSBT) opened with about $34M first-day volume, 1.66M shares traded, closed $20.47, and charges a 0.14% sponsor fee — lowest among Bitcoin ETPs.
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Bitcoin miners grew unprofitable as production cost neared $80,000 vs spot below that. Operators idled rigs and liquidated holdings to raise cash amid production costs exceeding market price.
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Bitcoin snapped its longest losing streak since 2018. Traders eye resistance near $72,600 and the next psychological target around $80,000 if that level is cleared.
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CME Bitcoin futures open interest fell from under $8B in March to about $7.2B in early April, the lowest since Feb 2024, signaling a pullback in BTCUSD exchange-traded futures.
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Bhutan moved ~319 BTC (~$22.7M), bringing its public outflows since Oct 2024 to over 9,000 BTC; it remains the fifth-largest public nation-state BTC holder.
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In February Bithumb accidentally sent 620,000 BTC (~$42bn), reversed transfers within minutes, recovered 99.7% same day, and covered 1,788 BTC sold from company reserves.
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30-day net change for Bitcoin (BTCUSD) is +88,000 BTC as of April 9; strong-holder balances rose to ~4.5M BTC. Short-term Sharpe at -40; 30-day buy/sell delta moved toward neutral.
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Bitcoin (BTCUSD) on-chain and derivatives metrics show bottoming signs: very negative Sharpe Ratio and easing sell pressure approaching a buy-pressure zone, while macro and liquidity risks persist.
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Inflows into Bitcoin ETFs have provided short-term price support by attracting institutional and retail funds, while growing ETF demand may signal fading crypto-cycle momentum and capital rotation.
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source: https://www.tradingview.com/news/tradingview:a930aec501c24:0-key-facts-mixed-etf-flows-miners-loss-state-btc-moves-on-chain-88k/