SPIB vs. MIG
SPIB (SPDR Portfolio Intermediate Term Corporate Bond ETF) and MIG (VanEck Moody's Analytics IG Corporate Bond ETF) are both Corporate Bonds funds - SPIB tracks the Bloomberg US Aggregate Credit - Corporate - Investment Grade - Intermediate while MIG tracks the MVIS Moody's Analytics US Investment Grade Corporate Bond Index (TR Gross) (MVCI). Both are passively managed. Over the past 5 years, SPIB returned 1.79%/yr vs 0.97%/yr for MIG. Their correlation of 0.93 suggests significant overlap in exposure. SPIB charges 0.07%/yr vs 0.20%/yr for MIG.
Performance
SPIB vs. MIG - Performance Comparison
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Returns By Period
In the year-to-date period, SPIB achieves a 0.46% return, which is significantly higher than MIG's 0.39% return.
SPIB
- 1D
- -0.09%
- 1M
- 0.25%
- YTD
- 0.46%
- 6M
- 0.59%
- 1Y
- 5.27%
- 3Y*
- 5.79%
- 5Y*
- 1.79%
- 10Y*
- 2.86%
MIG
- 1D
- -0.19%
- 1M
- 0.41%
- YTD
- 0.39%
- 6M
- -0.01%
- 1Y
- 5.37%
- 3Y*
- 5.64%
- 5Y*
- 0.97%
- 10Y*
- —
SPIB vs. MIG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
SPIB SPDR Portfolio Intermediate Term Corporate Bond ETF | 0.46% | 7.91% | 4.28% | 7.27% | -9.65% | -1.24% | 0.66% |
MIG VanEck Moody's Analytics IG Corporate Bond ETF | 0.39% | 7.34% | 3.38% | 8.88% | -14.51% | -0.02% | 1.26% |
Correlation
The correlation between SPIB and MIG is 0.89, 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 | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Dec 3, 2020 | 0.93 |
The correlation between SPIB and MIG has been stable across timeframes, ranging from 0.89 to 0.93 - a consistent structural relationship.
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Return for Risk
SPIB vs. MIG — Risk / Return Rank
SPIB
MIG
SPIB vs. MIG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio Intermediate Term Corporate Bond ETF (SPIB) and VanEck Moody's Analytics IG Corporate Bond ETF (MIG). 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.
| SPIB | MIG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.60 | ||
| Sortino ratioReturn per unit of downside risk | +1.03 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.22 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.62 | 1.90 | +0.72 |
| Martin ratioReturn relative to average drawdown | 9.13 | 5.24 | +3.89 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPIB | MIG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.87 | 1.27 | +0.60 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.40 | 0.15 | +0.25 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.62 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.88 | 0.14 | +0.73 |
Drawdowns
SPIB vs. MIG - Drawdown Comparison
The maximum SPIB drawdown since its inception was -14.94%, smaller than the maximum MIG drawdown of -20.98%. Use the drawdown chart below to compare losses from any high point for SPIB and MIG.
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Drawdown Indicators
| SPIB | MIG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.94% | -20.98% | +6.04% |
Max Drawdown (1Y)Largest decline over 1 year | -2.02% | -2.83% | +0.81% |
Max Drawdown (3Y)Largest decline over 3 years | -3.18% | -5.61% | +2.43% |
Max Drawdown (5Y)Largest decline over 5 years | -14.80% | -20.98% | +6.18% |
Max Drawdown (10Y)Largest decline over 10 years | -14.94% | — | — |
Current DrawdownCurrent decline from peak | -0.78% | -1.24% | +0.46% |
Average DrawdownAverage peak-to-trough decline | -1.89% | -6.81% | +4.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.58% | 1.03% | -0.45% |
Volatility
SPIB vs. MIG - Volatility Comparison
The current volatility for SPDR Portfolio Intermediate Term Corporate Bond ETF (SPIB) is 0.93%, while VanEck Moody's Analytics IG Corporate Bond ETF (MIG) has a volatility of 1.47%. This indicates that SPIB experiences smaller price fluctuations and is considered to be less risky than MIG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPIB | MIG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.93% | 1.47% | -0.54% |
Volatility (6M)Calculated over the trailing 6-month period | 2.09% | 3.13% | -1.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.83% | 4.26% | -1.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.47% | 6.35% | -1.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.60% | 6.22% | -1.62% |
SPIB vs. MIG - Expense Ratio Comparison
SPIB has a 0.07% expense ratio, which is lower than MIG's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
SPIB vs. MIG - Dividend Comparison
SPIB's dividend yield for the trailing twelve months is around 4.46%, less than MIG's 4.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIG VanEck Moody's Analytics IG Corporate Bond ETF | 4.78% | 4.81% | 4.68% | 4.38% | 3.06% | 2.15% | 0.18% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPIB SPDR Portfolio Intermediate Term Corporate Bond ETF | 4.46% | 4.42% | 4.41% | 3.84% | 2.65% | 1.58% | 2.18% | 3.03% | 3.04% | 2.79% | 2.68% | 2.69% |
Frequently Asked Questions
SPIB and MIG have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MIG has higher volatility (1.47%) compared to SPIB (0.93%). In terms of maximum drawdown, SPIB dropped -14.94% vs MIG's -20.98%.
On 5-year performance, SPIB leads with 1.79% vs 0.97% for MIG. On fees, SPIB is cheaper at 0.07% per year. On volatility, SPIB has been the lower-risk option at 0.93%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SPIB has performed better with a 1.79% return vs 0.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPIB is cheaper with a 0.07% expense ratio, compared with 0.20% for MIG.
MIG has the higher dividend yield at 4.78%, compared with 4.46% for SPIB.
SPIB tracks Bloomberg US Aggregate Credit - Corporate - Investment Grade - Intermediate, while MIG tracks MVIS Moody's Analytics US Investment Grade Corporate Bond Index (TR Gross) (MVCI). They also come from different issuers: State Street and VanEck. Their fees differ too: 0.07% for SPIB and 0.20% for MIG.
SPIB currently has the higher Sharpe Ratio (1.87 vs 1.27), 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.
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