今天该怎么看：市场还是延续昨天'通胀顽固、加息临近'的主线，只是今天从预期变成了现实——美国8月核心CPI月率0.3%，比预期还热，市场预计下周美联储加息概率约90%，比特币一度跌破7.7万美元，之后小幅收复到7.7万上方，但这更像空头回补（此前做空的人集中平仓买入）带来的技术性修复，不是新资金真的进场抄底。
支撑这个判断的证据：第一，衍生品数据显示比特币未平仓合约（新增杠杆仓位规模）24小时下降1.6%、资金费率走低，说明这波反弹主要是空头了结获利、被动平仓，而不是多头主动加仓，含金量有限。第二，比特币现货ETF已经连续3个交易日净流出（最新一天-2.83亿美元），是本周最长的连续流出纪录，说明机构资金这几天没有跟上任何反弹；不过14天累计仍有+17.7亿美元净流入，说明中长期资金还没有大幅撤离，只是短期在观望。第三，恐慌贪婪指数今天56分，是过去一周（66-74区间）里最低的一天，说明市场情绪本周持续走弱，虽然还没跌出贪婪区间，但降温速度值得留意。
反面信号：比特币交易所净流出的大方向没变（过去7天净流出超1.4万枚，代表币被转去冷藏），这是囤积的信号，说明底层供给面还算健康；BTC占整个市场的份额处于过去一周低点附近，说明资金没有明显往比特币避险集中，反而山寨币里的隐私、AI相关板块（如Privacy Browser类代币单日暴涨超400%）出现资金追捧，属于局部炒作而非全面恐慌。
接下来关注：一是比特币ETF流出会不会连续第四天，如果转为流入，说明机构认为CPI利空已被消化；二是加息决议前美股流动性和波动可能进一步放大，纳斯达克和标普今天双双小幅收跌（-0.1%/-0.5% 周内），VIX（美股恐慌指数）一周内涨了17%，处于'正常偏紧'区间，说明传统市场的紧张情绪在积累，如果VIX继续爬升，加密市场大概率跟着承压。
Bottom line: today extends yesterday's core story — sticky inflation raising the odds of a Fed rate hike — except today the fear became fact. August core CPI came in at 0.3% month-over-month, hotter than forecast, and markets now price roughly a 90% chance of a Fed hike next week. Bitcoin briefly broke below $77,000 before clawing back above that level, but the bounce looks more like short covering (traders who bet on a drop buying back to close positions) than fresh buying.
The evidence backs this up. First, BTC open interest (the size of outstanding leveraged bets) fell 1.6% over 24 hours while funding rates eased — consistent with shorts booking profits and unwinding, not longs piling in with new capital. Second, spot BTC ETFs just logged their third straight day of net outflows (-$282.7M on the latest day), the longest outflow run of the past week, meaning institutional money has sat out this whole move; still, the 14-day cumulative flow remains a positive $1.77B, so this looks like short-term caution rather than a broader institutional exit. Third, the Fear & Greed Index sits at 56 today — the lowest reading of the past week's 66-74 range — showing sentiment has been cooling all week even though it hasn't left the Greed zone yet.
Countervailing signals: bitcoin's exchange-outflow trend (coins moving into cold storage) remains intact over the past week, a sign the supply-side backdrop is still healthy, and BTC's share of the total crypto market is sitting near its weekly low, meaning capital isn't rotating into bitcoin as a safe haven — instead pockets of altcoins (privacy and AI-adjacent tokens, some up over 400% in a day) are seeing speculative chasing, which reads as localized excitement rather than market-wide panic.
What to watch next: whether BTC ETF outflows stretch to a fourth day (a flip to inflows would suggest markets have digested the CPI shock) and whether equity volatility keeps building — the VIX is up 17% over the past week into the 'normal-to-tense' zone, and Nasdaq/S&P both dipped slightly on the week. If VIX keeps climbing, crypto is likely to stay under pressure.
未来24小时最需要盯的是比特币ETF流出会不会连续第四天。如果转为流入，说明机构判断CPI利空已经消化完毕，价格有望在7.7万上方站稳；如果继续流出，说明机构在加息临近前依然选择观望，这次的反弹大概率只是空头回补带来的技术性修复，一旦有新的坏消息（比如伊朗局势升级或油价再涨），比特币可能重新测试7.7万甚至更低的位置。同时留意VIX（美股恐慌指数）会不会继续走高——它这周已经涨了17%，如果传统市场的紧张情绪进一步传导，加密市场大概率跟着承压。
The key thing to watch over the next 24 hours is whether bitcoin ETF outflows extend to a fourth straight day. A flip to inflows would suggest institutions view the CPI shock as digested, giving price a better shot at holding above $77k; continued outflows would mean institutions are still sitting on the sidelines ahead of next week's rate decision, and today's bounce would likely prove to be nothing more than short covering — fragile, and vulnerable to a retest of $77k or lower on any fresh bad news (an Iran escalation or another jump in oil prices, for instance). Also watch the VIX, which is up 17% over the past week — if traditional-market anxiety keeps building, crypto is likely to stay under pressure alongside it.