先选大类，再展开子类；数量、规模、收益与回撤均来自当前全市场快照。
| ETF | 规模 | 费率 | 1 年 | 5 年 | 回撤 |
|---|---|---|---|---|---|
FLOT iShares Floating Rate Bond ETF | $10.0B | 0.1% | +4.6% | +23.6% | -2.4% |
BKLN Invesco Senior Loan ETF | $6.9B | 0.7% | +3.9% | +29.9% | -7.3% |
SRLN State Street Blackstone Senior Loan ETF | $5.3B | 0.7% | +4.4% | +26.3% | -7.9% |
FTSL First Trust Senior Loan Fund | $2.3B | 0.7% | +3.8% | +28.5% | -7.0% |
FLBL Franklin Senior Loan ETF | $847M | 0.5% | +2.1% | +30.4% | -6.8% |
SEIX Virtus Seix Senior Loan ETF | $249M | 0.6% | +5.3% | +31.7% | -6.7% |
SLNZ TCW Senior Loan ETF | $222M | 0.7% | +4.4% | — | -2.6% |
BRLN iShares Floating Rate Loan Active ETF | $53M | 0.6% | +3.1% | — | -3.8% |
USLN iShares Trust iShares Broad USD Floating Rate Loan ETF | $23M | 0.4% | — | — | -0.7% |
每日资金流由 AUM、收益和份额变化估算；公开源无法统一得到实际申购/赎回单位时明确显示“未披露”，不会把估算冒充成交。
完整持仓使用 SEC N-PORT 法定申报，覆盖面广但有监管披露时滞；Yahoo 前十大持仓只用于更及时的概览。
收益使用复权收盘价。跟踪误差只有明确基准映射时计算；杠杆衰减拆分为每日复位路径影响和实现偏差。