TBIIX vs. VBMPX
TBIIX (TIAA-CREF Bond Index Fund) and VBMPX (Vanguard Total Bond Market Index Fund Institutional Plus Shares) are both mutual funds - TBIIX is a Intermediate Core Bond fund managed by TIAA, while VBMPX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Float Adjusted Index. Over the past 10 years, TBIIX returned 1.22%/yr vs 1.41%/yr for VBMPX. Their 0.96 correlation means they have historically moved very closely together. TBIIX charges 0.07%/yr vs 0.02%/yr for VBMPX.
Performance
TBIIX vs. VBMPX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, TBIIX achieves a -0.30% return, which is significantly lower than VBMPX's -0.02% return. Over the past 10 years, TBIIX has underperformed VBMPX with an annualized return of 1.22%, while VBMPX has yielded a comparatively higher 1.41% annualized return.
TBIIX
- 1D
- 0.42%
- 1M
- -0.93%
- 6M
- -0.42%
- YTD
- -0.30%
- 1Y
- 2.04%
- 3Y*
- 3.87%
- 5Y*
- -0.64%
- 10Y*
- 1.22%
- ALL TIME*
- 2.36%
VBMPX
- 1D
- 0.32%
- 1M
- -0.68%
- 6M
- -0.05%
- YTD
- -0.02%
- 1Y
- 2.27%
- 3Y*
- 4.19%
- 5Y*
- -0.30%
- 10Y*
- 1.41%
- ALL TIME*
- 2.27%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
TBIIX vs. VBMPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TBIIX TIAA-CREF Bond Index Fund | -0.30% | 7.12% | 1.13% | 5.13% | -13.61% | -1.81% | 7.69% | 8.58% | -0.25% | 3.43% |
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares | -0.02% | 7.18% | 1.27% | 5.75% | -13.14% | -1.95% | 7.75% | 8.74% | -0.24% | 3.58% |
Correlation
The correlation between TBIIX and VBMPX is 0.94, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.94 |
Correlation (3Y) Balances recent behavior with more history. | 0.97 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.98 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.97 |
Correlation (All Time) Calculated using the full available price history since Feb 5, 2010 | 0.96 |
The correlation between TBIIX and VBMPX has been stable across timeframes, ranging from 0.94 to 0.98 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TBIIX vs. VBMPX — Risk / Return Rank
TBIIX
VBMPX
TBIIX vs. VBMPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for TIAA-CREF Bond Index Fund (TBIIX) and Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| TBIIX | VBMPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.08 | ||
| Sortino ratioReturn per unit of downside risk | -0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.11 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.69 | 0.79 | -0.10 |
| Martin ratioReturn relative to average drawdown | 1.68 | 1.93 | -0.25 |
Loading charts...
Drawdowns
TBIIX vs. VBMPX - Drawdown Comparison
The maximum TBIIX drawdown since its inception was -19.33%, roughly equal to the maximum VBMPX drawdown of -18.90%. Use the drawdown chart below to compare losses from any high point for TBIIX and VBMPX.
Loading charts...
Drawdown Indicators
| TBIIX | VBMPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.33% | -18.90% | -0.43% |
Max Drawdown (1Y)Largest decline over 1 year | -2.99% | -2.89% | -0.10% |
Max Drawdown (3Y)Largest decline over 3 years | -5.12% | -4.86% | -0.26% |
Max Drawdown (5Y)Largest decline over 5 years | -18.52% | -17.97% | -0.55% |
Max Drawdown (10Y)Largest decline over 10 years | -19.33% | -18.90% | -0.43% |
Current DrawdownCurrent decline from peak | -4.17% | -2.67% | -1.50% |
Average DrawdownAverage peak-to-trough decline | -3.68% | -3.52% | -0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.22% | 1.17% | +0.05% |
Volatility
TBIIX vs. VBMPX - Volatility Comparison
TIAA-CREF Bond Index Fund (TBIIX) has a higher volatility of 1.14% compared to Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX) at 1.06%. This indicates that TBIIX's price experiences larger fluctuations and is considered to be riskier than VBMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| TBIIX | VBMPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.14% | 1.06% | +0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 3.10% | 2.97% | +0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.88% | 3.74% | +0.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.08% | 6.02% | +0.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.02% | 4.98% | +0.04% |
TBIIX vs. VBMPX - Expense Ratio Comparison
TBIIX has a 0.07% expense ratio, which is higher than VBMPX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
TBIIX vs. VBMPX - Dividend Comparison
TBIIX's dividend yield for the trailing twelve months is around 3.64%, less than VBMPX's 4.08% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TBIIX TIAA-CREF Bond Index Fund | 3.64% | 3.73% | 3.14% | 2.44% | 2.11% | 2.07% | 3.17% | 2.82% | 2.46% | 2.44% | 2.31% | 2.61% |
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares | 4.08% | 3.88% | 3.69% | 3.11% | 2.61% | 1.81% | 2.41% | 2.75% | 2.58% | 2.58% | 2.55% | 2.85% |
Frequently Asked Questions
With a correlation of 0.94, TBIIX and VBMPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
TBIIX has higher volatility (1.14%) compared to VBMPX (1.06%). In terms of maximum drawdown, TBIIX dropped -19.33% vs VBMPX's -18.90%.
VBMPX currently has the higher Sharpe Ratio (0.61 vs 0.53), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for TBIIX and VBMPX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer