BNDC vs. IBTM
BNDC (FlexShares Core Select Bond Fund) and IBTM (iShares iBonds Dec 2032 Term Treasury ETF) are both Intermediate Core Bond funds. BNDC is actively managed, while IBTM is passively managed. Over the past 3 years, BNDC returned 3.76%/yr vs 2.74%/yr for IBTM. With a 0.96 correlation, they move nearly in lockstep. BNDC charges 0.35%/yr vs 0.07%/yr for IBTM.
Performance
BNDC vs. IBTM - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BNDC achieves a 0.07% return, which is significantly higher than IBTM's -0.36% return.
BNDC
- 1D
- 0.13%
- 1M
- 0.12%
- YTD
- 0.07%
- 6M
- 0.16%
- 1Y
- 4.25%
- 3Y*
- 3.76%
- 5Y*
- -0.19%
- 10Y*
- —
IBTM
- 1D
- 0.13%
- 1M
- -0.11%
- YTD
- -0.36%
- 6M
- -0.38%
- 1Y
- 3.43%
- 3Y*
- 2.74%
- 5Y*
- —
- 10Y*
- —
BNDC vs. IBTM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
BNDC FlexShares Core Select Bond Fund | 0.07% | 7.29% | 0.86% | 5.36% | -2.71% |
IBTM iShares iBonds Dec 2032 Term Treasury ETF | -0.36% | 8.06% | -0.14% | 3.48% | -4.63% |
Correlation
The correlation between BNDC and IBTM is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.91 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jul 11, 2022 | 0.96 |
The correlation between BNDC and IBTM has been stable across timeframes, ranging from 0.91 to 0.96 - 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
BNDC vs. IBTM — Risk / Return Rank
BNDC
IBTM
BNDC vs. IBTM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares Core Select Bond Fund (BNDC) and iShares iBonds Dec 2032 Term Treasury ETF (IBTM). 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.
| BNDC | IBTM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.24 | ||
| Sortino ratioReturn per unit of downside risk | +0.34 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.15 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.49 | 1.05 | +0.43 |
| Martin ratioReturn relative to average drawdown | 4.39 | 3.04 | +1.35 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| BNDC | IBTM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.09 | 0.85 | +0.24 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.03 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.21 | 0.20 | +0.01 |
Drawdowns
BNDC vs. IBTM - Drawdown Comparison
The maximum BNDC drawdown since its inception was -18.80%, which is greater than IBTM's maximum drawdown of -13.60%. Use the drawdown chart below to compare losses from any high point for BNDC and IBTM.
Loading charts...
Drawdown Indicators
| BNDC | IBTM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.80% | -13.60% | -5.20% |
Max Drawdown (1Y)Largest decline over 1 year | -2.87% | -3.26% | +0.39% |
Max Drawdown (3Y)Largest decline over 3 years | -6.30% | -7.86% | +1.56% |
Max Drawdown (5Y)Largest decline over 5 years | -18.60% | — | — |
Current DrawdownCurrent decline from peak | -3.34% | -2.25% | -1.09% |
Average DrawdownAverage peak-to-trough decline | -7.35% | -4.82% | -2.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.97% | 1.13% | -0.16% |
Volatility
BNDC vs. IBTM - Volatility Comparison
FlexShares Core Select Bond Fund (BNDC) and iShares iBonds Dec 2032 Term Treasury ETF (IBTM) have volatilities of 1.23% and 1.20%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BNDC | IBTM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.23% | 1.20% | +0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 2.78% | 2.75% | +0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.99% | 4.09% | -0.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.07% | 7.55% | -1.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.05% | 7.55% | +0.50% |
BNDC vs. IBTM - Expense Ratio Comparison
BNDC has a 0.35% expense ratio, which is higher than IBTM's 0.07% expense ratio.
Dividends
BNDC vs. IBTM - Dividend Comparison
BNDC's dividend yield for the trailing twelve months is around 4.15%, more than IBTM's 3.95% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BNDC FlexShares Core Select Bond Fund | 4.15% | 4.16% | 3.81% | 3.19% | 2.64% | 1.72% | 2.61% | 2.89% | 2.86% | 2.50% | 0.64% |
IBTM iShares iBonds Dec 2032 Term Treasury ETF | 3.95% | 3.87% | 3.96% | 3.39% | 1.38% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.91, BNDC and IBTM 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.
BNDC has higher volatility (1.23%) compared to IBTM (1.20%). In terms of maximum drawdown, BNDC dropped -18.80% vs IBTM's -13.60%.
On 3-year performance, BNDC leads with 3.76% vs 2.74% for IBTM. On fees, IBTM is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, BNDC has performed better with a 3.76% return vs 2.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTM is cheaper with a 0.07% expense ratio, compared with 0.35% for BNDC.
BNDC has the higher dividend yield at 4.15%, compared with 3.95% for IBTM.
They also come from different issuers: Northern Trust and iShares. Their fees differ too: 0.35% for BNDC and 0.07% for IBTM.
BNDC currently has the higher Sharpe Ratio (1.09 vs 0.85), 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 BNDC and IBTM
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