⚖️ BND vs BNDX Comparison · Free & No Signup

BND vs BNDX: The US Bond Core vs the International Add-On

BND is the standard US bond holding most portfolios start with. BNDX adds international bonds with the currency risk hedged away. They are usually held together, not chosen between.

💰 BND is cheaper 🔬 Compare top 10 holdings → 💡 Plain-English verdict
🤝 BFF Take
BND Is the Core, BNDX Is the Complement

BND holds the broad US investment-grade bond market, around 17,000 government and corporate bonds, and charges 0.03%. It is the default bond core for most US investors. BNDX holds international investment-grade bonds and hedges the currency back to the US dollar, which removes most of the exchange-rate swings, and charges 0.07%. The two are not really competitors. BND covers US bonds; BNDX covers the bonds BND leaves out, everything issued outside the US. Vanguard's own target-date funds hold both, with US bonds as the larger slice and international bonds as a diversifier. For a simple portfolio, BND alone is a perfectly complete bond holding, and many investors stop there. If you want your bond exposure as globally diversified as your stocks, BNDX is the piece you add, not a swap for BND. The currency hedge is the key feature: it is what keeps an international bond fund behaving like bonds rather than a currency bet.

📋 Quick Takeaways
🇺🇸BND is the US investment-grade bond market at 0.03%; BNDX is international bonds, currency-hedged, at 0.07%
🔗They are complements, not substitutes. BNDX covers the non-US bonds BND does not hold
🎯BND alone is a complete bond core; add BNDX only if you want international bond diversification too
📊 Data-Based Take: BND has the lower fee

Whether the lower-cost fund suits your situation depends on your existing holdings, account type, tax situation, and how you use each fund. This is a cost comparison, not a personalized recommendation.

✓ Reviewed by a CFA® Charterholder · Data updated Jun 2026 · Educational only, not financial advice
BND
Vanguard Total Bond Market ETF
Expense Ratio
0.03% ✓
1-Year Return
+5.5%
AUM
$110B
Holdings
17,000
BNDX
Vanguard Total International Bond ETF
Expense Ratio
0.07%
1-Year Return
+4.5%
AUM
$55B
Holdings
6,800

📋 BND vs BNDX — Key Facts Side by Side

Metric BND BNDX
Fund Name Vanguard Total Bond Market ETF Vanguard Total International Bond ETF
Issuer Vanguard Vanguard
Tracks Index Bloomberg US Aggregate Bond Bloomberg Global Aggregate ex-USD (Hedged)
Expense Ratio 0.03% ✓ 0.07%
Cost per $10K/yr $3.00 $7.00
AUM $110B $55B
Holdings 17,000 6,800
Inception 2007 2013
1-Year Return +5.50% +4.50%
3-Year Return -1.90% -2.00%
5-Year Return +0.70% +0.50%
Avg Bid-Ask Spread 0.01% 0.02%

Data from ETF BFF database. Returns are annualised. Not investment advice.

📊 BND vs BNDX — Annualised Returns

Annualised returns (trailing, price-based). Past performance does not guarantee future results.

🎯 Should You Buy BND or BNDX?

Choose if...
BND
  • You want the lowest fees — saves ~$4/yr per $10K vs BNDX
  • You want broader diversification (17,000 holdings vs 6,800)
  • You want income and stability with lower portfolio volatility
Choose if...
BNDX
  • You want income and stability with lower portfolio volatility
  • You already use Vanguard and prefer staying within their fund family

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❓ BND vs BNDX — Frequently Asked Questions

BND holds US investment-grade bonds, both government and corporate. BNDX holds international investment-grade bonds and hedges the currency back to the US dollar. BND covers the US bond market; BNDX covers bonds issued outside the US. They hold different bonds, so they complement each other rather than overlap.
BND alone is a complete and common bond core, and plenty of investors hold only BND. Owning both adds international bond diversification, which is the approach Vanguard uses in its target-date funds, typically with US bonds as the larger position. There is no requirement to hold BNDX; it is an optional diversifier on top of a BND core, not a replacement.
Unhedged foreign bonds carry large currency swings that can overwhelm the modest returns bonds are meant to provide, making them behave more like a currency bet than a stabilizer. BNDX hedges the currency back to the dollar so the fund behaves like bonds: lower volatility, a steadier role in the portfolio. The hedge is the reason an international bond fund can sit alongside BND without adding stock-like swings.
BNDX charges 0.07% versus BND's 0.03%, so about four dollars more per year per $10,000. The question is not really the fee; it is whether you want international bond diversification at all. If you do, the cost is minor. If you are happy with a US-only bond core, BND alone is the lower-cost and perfectly reasonable choice.
Their yields are generally in the same neighborhood, because both hold investment-grade bonds and BNDX is hedged to US dollar rates. Exact yields move with interest rates and change over time. The reason to hold BNDX is diversification across bond markets, not a higher yield.

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📄 BND & BNDX Fact Sheets

BND Fact Sheet→ BNDX Fact Sheet→
ℹ️ Data shown is for educational purposes and may not reflect the most current figures. Returns are trailing price-based and exclude dividend reinvestment. Past performance does not guarantee future results. ETF BFF is not a licensed financial advisor — this is not personalized financial advice.