---
title: "Bond ETFs Surge on Rate-Cut Bets: $12B Flows Signal Shift"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/301019266.md"
description: "Philadelphia Fed's rate-cut signal sparked record bond ETF demand, with AGG.US leading $12B weekly inflows. HYG.US credit spreads tightened amid falling default rates while SCHO.US benefited from Treasury issuance shifts."
datetime: "2026-10-06T10:14:54.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/301019266.md)
  - [en](https://longbridge.com/en/news/301019266.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/301019266.md)
generator: "portal-rs"
---

# Bond ETFs Surge on Rate-Cut Bets: $12B Flows Signal Shift

Philadelphia Fed President Harker's June 17 comment that “one rate cut this year is appropriate” triggered an immediate surge in bond ETF demand. iShares Core U.S. Aggregate Bond ETF (AGG.US) pulled in $12 billion in weekly inflows—the strongest since early 2024—as investors flocked to its 0.03% fee structure for broad exposure to Treasuries and investment-grade debt.

High-yield bonds saw parallel momentum. iShares iBoxx $ High Yield Corporate Bond ETF (HYG.US) attracted $2.3 billion in flows with credit spreads tightening to 380 basis points. S&P reported default rates falling to 2.1%, the lowest since 2021, as improving corporate earnings met rising rate-cut bets.

Short-term Treasury instruments also gained traction. Schwab Short-Term U.S. Treasury ETF (SCHO.US) drew $950 million in a single day as 2-year yields dropped 8 basis points weekly. The U.S. Treasury's recent move to boost short-term bill issuance to $80 billion further enhanced liquidity for this low-cost hedge.

### Related Stocks

- [AGG.US](https://longbridge.com/en/quote/AGG.US.md)
- [HYG.US](https://longbridge.com/en/quote/HYG.US.md)
- [SCHO.US](https://longbridge.com/en/quote/SCHO.US.md)

## Related News & Research

- [Treasury yields hit 4.85% despite $6B buyback: Crypto faces fresh pressure ahead of FOMC](https://longbridge.com/en/news/298566670.md)

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**