financial transaction
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比特币和以太坊ETF资金回流，但交易者仍要验证持续性
现货BTC和ETH ETF重新出现资金流入，说明需求有所回暖，但周度资金面和宏观波动仍然决定交易质量。
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Bitcoin and Ether ETF Inflows Are Back, but Traders Still Need a Durability Check
Fresh spot BTC and ETH ETF inflows show returning demand, but the weekly flow picture and macro volatility still matter for crypto traders.
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资金费率不是背景噪音：永续合约持仓成本会改变一笔交易
永续合约看起来像带杠杆的现货，但资金费率、基差和拥挤仓位可能让不错的图形机会变成低质量交易。
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Funding Rates Are Not Background Noise: How Perpetual Futures Costs Can Change a Trade
Perpetual swaps may look like spot trading with leverage, but funding payments, basis and crowded positioning can turn a good chart setup into a poor trade.
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Passkey、双重验证和备用方式：交易所APP账户安全清单
在增加杠杆或扩大现货仓位前，交易者应先检查交易所APP的登录安全、恢复方式和设备管理。
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Passkeys, 2FA and Backup Methods: A Practical Exchange-App Security Checklist
Before adding leverage or larger spot positions, traders should harden login security, recovery methods and device hygiene inside exchange apps.
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Nasdaq CME加密指数期货：给交易者一个篮子化替代方案
CME已经上线的加密指数期货，与只交易BTC或ETH期货的思路不同，更适合观察或对冲整体加密资产贝塔。
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Nasdaq CME Crypto Index Futures Give Traders a Basket Alternative to Single-Coin Bets
CME’s now-live crypto index futures create a different workflow from trading only BTC or ETH futures, especially for hedging broad crypto beta.
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亚马逊250亿美元AI债券发行，让信用利差成为股市交易信号
新一轮AI基础设施融资说明，股票交易者除了看芯片收入和云增长，也要盯住企业债利差。
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Amazon’s $25 Billion AI Bond Sale Turns Credit Spreads Into a Stock-Market Signal
The latest AI infrastructure borrowing wave shows why equity traders should watch corporate bond spreads, not just chip revenue and cloud growth.