The bond ETF market in the United States largely falls into two distinct categories - Investment Grade (IG) and High Yield (HY) - each serving different investor priorities. Investment grade funds prioritize stability and lower fees, with AGG (iShares Core U.S. Aggregate Bond) sitting at the top of the IG pile with $137.6 billion in assets and a 0.04% expense ratio.
By contrast, the high yield segment aims to deliver higher income at the cost of greater credit risk. HYG (iShares iBoxx $ High Yield Corp Bond) is the largest in the HY group and offers a near 5.8% dividend yield on its $17.1 billion asset base. Across the HY category, dividend yields cluster substantially above IG alternatives.
Investment Grade Bond ETFs
| ETF | Price | AUM | Expense Ratio | Div. Yield | 1Y Return | 3Y Return | RSI (14d) |
|---|---|---|---|---|---|---|---|
| AGG - iShares Core U.S. Aggregate Bond | $97.66 | $137.6B | 0.04% | 4.15% | +2.4% | +13.2% | 45.5 |
| LQD - iShares iBoxx $ IG Corporate Bond | $106.76 | $32.5B | 0.15% | 5.14% | +1.6% | +15.3% | 44.2 |
| BSV - Vanguard Short-Term Bond | $77.54 | $45.6B | 0.07% | 4.12% | +2.7% | +14.2% | 48.2 |
| BIV - Vanguard Intermediate-Term Bond | $75.74 | $28.9B | 0.07% | 4.54% | +2.0% | +14.4% | 47.2 |
| JPST - JPMorgan Ultra-Short Income | $50.42 | $40.5B | N/A | 4.06% | +4.0% | +16.0% | 40.3 |
| FBND - Fidelity Total Bond | $45.02 | $27.3B | 0.36% | 4.77% | +2.6% | +15.1% | 45.7 |
High Yield Bond ETFs
| ETF | Price | AUM | Expense Ratio | Div. Yield | 1Y Return | 3Y Return | RSI (14d) |
|---|---|---|---|---|---|---|---|
| HYG - iShares iBoxx $ High Yield Corp Bond | $79.55 | $17.1B | 0.49% | 5.80% | +5.1% | +27.2% | 50.3 |
| JNK - SPDR Bloomberg High Yield Bond | $95.75 | $7.1B | 0.40% | 6.61% | +5.8% | +27.6% | 49.4 |
| SPHY - SPDR Portfolio High Yield Bond | $23.27 | $12.0B | 0.15% | 7.00% | +5.7% | +28.4% | 48.1 |
| SHYG - iShares 0-5 Yr High Yield Corp Bond | $42.11 | $7.6B | 0.30% | 6.99% | +5.2% | +25.7% | 45.7 |
| BKLN - Invesco Senior Loan | $20.45 | $6.7B | 0.65% | 6.39% | +4.2% | +22.5% | 54.8 |
| FPE - First Trust Preferred Securities | $17.86 | $6.4B | 0.85% | 5.46% | +5.6% | +31.5% | 48.9 |
Core tradeoffs and observations
The yield differential between the two camps is pronounced. High yield ETFs average roughly 6.5% in dividend yield versus about 4.4% for investment grade ETFs, implying an extra payment of roughly 2 percentage points to accept additional default and credit risk. Over the past three years that tradeoff has favored HY products materially - HY funds have posted aggregate three-year returns near +27% compared with about +14.5% for IG funds.
Costs also diverge meaningfully. AGG’s 0.04% expense ratio is effectively negligible relative to the higher fees charged by HY funds, which typically run four to eight times higher than the cheapest IG options. Those higher fees compound over time and can erode long-term total return.
Within the high yield set, SPHY is highlighted as a standout on value grounds: it combines the lowest expense ratio in the HY list at 0.15% with the highest dividend yield shown at 7.00% and a strong three-year return of +28.4%.
Duration and structure matter. SHYG, which targets 0-5 year high yield securities, reduces interest rate sensitivity relative to longer-duration HY funds and thus functions as a tactical instrument for investors concerned about rate volatility. BKLN, the senior loan ETF, registers the highest short-term momentum signal in the sample (RSI 54.8), reflecting how floating-rate instruments can gain in a higher-for-longer rate environment.
When each vehicle might fit
- Capital preservation plus income - AGG or BSV.
- IG with higher yield - LQD or FBND.
- HY with cost discipline - SPHY.
- HY with reduced rate sensitivity - SHYG or BKLN.
- HY seeking highest total return in this group - FPE, which shows +31.5% over 3Y.
These distinctions matter for portfolio construction: investors weighing stability versus yield, expense drag, and rate sensitivity can look to the metrics above - yield, fees, returns and RSI - to align a fund choice with their objectives.